./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.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/hardness-nfm22/hardness_operatoramount_amount50_file-90.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 8cdace1547550d54940eb1853e700eb960270e5ab93539cbe0eb74590d699d9c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 15:04:08,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 15:04:08,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 15:04:08,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 15:04:08,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 15:04:08,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 15:04:08,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 15:04:08,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 15:04:08,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 15:04:08,992 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 15:04:08,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 15:04:08,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 15:04:08,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 15:04:08,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 15:04:08,992 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 15:04:08,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 15:04:08,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 15:04:08,993 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:04:08,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:04:08,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:04:08,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 15:04:08,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 15:04:08,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 15:04:08,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 15:04:08,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 15:04:08,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 15:04:08,997 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 -> 8cdace1547550d54940eb1853e700eb960270e5ab93539cbe0eb74590d699d9c [2025-01-09 15:04:09,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 15:04:09,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 15:04:09,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 15:04:09,248 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 15:04:09,248 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 15:04:09,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i [2025-01-09 15:04:10,436 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb3b5807c/f9b10a57f75b46c583a7ee7575e9244f/FLAG615e07290 [2025-01-09 15:04:10,668 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 15:04:10,668 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i [2025-01-09 15:04:10,674 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb3b5807c/f9b10a57f75b46c583a7ee7575e9244f/FLAG615e07290 [2025-01-09 15:04:11,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eb3b5807c/f9b10a57f75b46c583a7ee7575e9244f [2025-01-09 15:04:11,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 15:04:11,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 15:04:11,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 15:04:11,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 15:04:11,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 15:04:11,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7ae5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11, skipping insertion in model container [2025-01-09 15:04:11,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 15:04:11,130 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/hardness-nfm22/hardness_operatoramount_amount50_file-90.i[915,928] [2025-01-09 15:04:11,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:04:11,170 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 15:04:11,177 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/hardness-nfm22/hardness_operatoramount_amount50_file-90.i[915,928] [2025-01-09 15:04:11,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:04:11,212 INFO L204 MainTranslator]: Completed translation [2025-01-09 15:04:11,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11 WrapperNode [2025-01-09 15:04:11,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 15:04:11,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 15:04:11,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 15:04:11,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 15:04:11,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,256 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2025-01-09 15:04:11,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 15:04:11,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 15:04:11,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 15:04:11,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 15:04:11,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,285 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 15:04:11,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,293 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 15:04:11,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 15:04:11,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 15:04:11,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 15:04:11,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (1/1) ... [2025-01-09 15:04:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:04:11,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:04:11,332 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 15:04:11,334 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 15:04:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 15:04:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 15:04:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 15:04:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 15:04:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 15:04:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 15:04:11,401 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 15:04:11,403 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 15:04:11,610 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-01-09 15:04:11,611 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 15:04:11,617 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 15:04:11,617 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 15:04:11,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:04:11 BoogieIcfgContainer [2025-01-09 15:04:11,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 15:04:11,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 15:04:11,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 15:04:11,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 15:04:11,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:04:11" (1/3) ... [2025-01-09 15:04:11,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101c3309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:04:11, skipping insertion in model container [2025-01-09 15:04:11,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:11" (2/3) ... [2025-01-09 15:04:11,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101c3309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:04:11, skipping insertion in model container [2025-01-09 15:04:11,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:04:11" (3/3) ... [2025-01-09 15:04:11,627 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-90.i [2025-01-09 15:04:11,637 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 15:04:11,639 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-90.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 15:04:11,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 15:04:11,696 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;@2b7ccf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 15:04:11,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 15:04:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 43 states have (on average 1.441860465116279) internal successors, (62), 44 states have internal predecessors, (62), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 15:04:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-01-09 15:04:11,709 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:04:11,709 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:04:11,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:04:11,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:04:11,713 INFO L85 PathProgramCache]: Analyzing trace with hash -13392828, now seen corresponding path program 1 times [2025-01-09 15:04:11,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:04:11,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111118253] [2025-01-09 15:04:11,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:11,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:04:11,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-09 15:04:11,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-09 15:04:11,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:11,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 15:04:11,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 15:04:11,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111118253] [2025-01-09 15:04:11,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111118253] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 15:04:11,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254531319] [2025-01-09 15:04:11,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:11,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 15:04:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:04:11,896 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 15:04:11,898 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 15:04:11,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-09 15:04:12,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-09 15:04:12,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:12,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:12,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 15:04:12,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:04:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 15:04:12,066 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 15:04:12,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254531319] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:04:12,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 15:04:12,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 15:04:12,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996827729] [2025-01-09 15:04:12,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:04:12,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 15:04:12,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 15:04:12,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 15:04:12,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 15:04:12,090 INFO L87 Difference]: Start difference. First operand has 64 states, 43 states have (on average 1.441860465116279) internal successors, (62), 44 states have internal predecessors, (62), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 15:04:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:04:12,110 INFO L93 Difference]: Finished difference Result 122 states and 209 transitions. [2025-01-09 15:04:12,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 15:04:12,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2025-01-09 15:04:12,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:04:12,117 INFO L225 Difference]: With dead ends: 122 [2025-01-09 15:04:12,117 INFO L226 Difference]: Without dead ends: 61 [2025-01-09 15:04:12,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 15:04:12,124 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 15:04:12,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 15:04:12,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-01-09 15:04:12,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-01-09 15:04:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 41 states have internal predecessors, (57), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 15:04:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 93 transitions. [2025-01-09 15:04:12,153 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 93 transitions. Word has length 118 [2025-01-09 15:04:12,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:04:12,153 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 93 transitions. [2025-01-09 15:04:12,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 15:04:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2025-01-09 15:04:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-01-09 15:04:12,157 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:04:12,157 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:04:12,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 15:04:12,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 15:04:12,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:04:12,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:04:12,362 INFO L85 PathProgramCache]: Analyzing trace with hash 776581900, now seen corresponding path program 1 times [2025-01-09 15:04:12,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:04:12,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980993497] [2025-01-09 15:04:12,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:12,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:04:12,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-09 15:04:12,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-09 15:04:12,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:12,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-01-09 15:04:12,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 15:04:12,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980993497] [2025-01-09 15:04:12,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980993497] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:04:12,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 15:04:12,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 15:04:12,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465005290] [2025-01-09 15:04:12,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:04:12,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 15:04:12,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 15:04:12,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 15:04:12,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 15:04:12,943 INFO L87 Difference]: Start difference. First operand 61 states and 93 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-01-09 15:04:13,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:04:13,153 INFO L93 Difference]: Finished difference Result 178 states and 274 transitions. [2025-01-09 15:04:13,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 15:04:13,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2025-01-09 15:04:13,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:04:13,155 INFO L225 Difference]: With dead ends: 178 [2025-01-09 15:04:13,155 INFO L226 Difference]: Without dead ends: 120 [2025-01-09 15:04:13,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 15:04:13,157 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 62 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 15:04:13,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 240 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 15:04:13,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-09 15:04:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 111. [2025-01-09 15:04:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 72 states have internal predecessors, (100), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-01-09 15:04:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 172 transitions. [2025-01-09 15:04:13,175 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 172 transitions. Word has length 118 [2025-01-09 15:04:13,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:04:13,176 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 172 transitions. [2025-01-09 15:04:13,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-01-09 15:04:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2025-01-09 15:04:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 15:04:13,177 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:04:13,177 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:04:13,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 15:04:13,177 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:04:13,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:04:13,178 INFO L85 PathProgramCache]: Analyzing trace with hash 453623727, now seen corresponding path program 1 times [2025-01-09 15:04:13,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:04:13,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634875827] [2025-01-09 15:04:13,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:13,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:04:13,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 15:04:13,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 15:04:13,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:13,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-01-09 15:04:13,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 15:04:13,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634875827] [2025-01-09 15:04:13,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634875827] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 15:04:13,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 15:04:13,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 15:04:13,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951916697] [2025-01-09 15:04:13,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 15:04:13,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 15:04:13,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 15:04:13,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 15:04:13,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 15:04:13,360 INFO L87 Difference]: Start difference. First operand 111 states and 172 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-01-09 15:04:13,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:04:13,522 INFO L93 Difference]: Finished difference Result 254 states and 392 transitions. [2025-01-09 15:04:13,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 15:04:13,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2025-01-09 15:04:13,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:04:13,526 INFO L225 Difference]: With dead ends: 254 [2025-01-09 15:04:13,528 INFO L226 Difference]: Without dead ends: 182 [2025-01-09 15:04:13,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 15:04:13,530 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 92 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 15:04:13,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 254 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 15:04:13,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-01-09 15:04:13,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 172. [2025-01-09 15:04:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 114 states have (on average 1.368421052631579) internal successors, (156), 114 states have internal predecessors, (156), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-09 15:04:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 264 transitions. [2025-01-09 15:04:13,577 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 264 transitions. Word has length 120 [2025-01-09 15:04:13,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:04:13,578 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 264 transitions. [2025-01-09 15:04:13,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-01-09 15:04:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 264 transitions. [2025-01-09 15:04:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 15:04:13,581 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:04:13,581 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:04:13,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 15:04:13,581 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:04:13,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:04:13,582 INFO L85 PathProgramCache]: Analyzing trace with hash 396212620, now seen corresponding path program 1 times [2025-01-09 15:04:13,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:04:13,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019891238] [2025-01-09 15:04:13,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:13,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:04:13,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 15:04:13,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 15:04:13,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:13,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 48 proven. 48 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-01-09 15:04:13,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 15:04:13,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019891238] [2025-01-09 15:04:13,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019891238] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 15:04:13,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087652316] [2025-01-09 15:04:13,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:13,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 15:04:13,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:04:13,936 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 15:04:13,938 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 15:04:13,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 15:04:14,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 15:04:14,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:14,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:14,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 15:04:14,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:04:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-01-09 15:04:14,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 15:04:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 48 proven. 51 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2025-01-09 15:04:14,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087652316] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 15:04:14,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 15:04:14,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 15 [2025-01-09 15:04:14,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318111827] [2025-01-09 15:04:14,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 15:04:14,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-09 15:04:14,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 15:04:14,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-09 15:04:14,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2025-01-09 15:04:14,687 INFO L87 Difference]: Start difference. First operand 172 states and 264 transitions. Second operand has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 6 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) [2025-01-09 15:04:14,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:04:14,943 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2025-01-09 15:04:14,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-09 15:04:14,943 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 6 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) Word has length 122 [2025-01-09 15:04:14,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:04:14,945 INFO L225 Difference]: With dead ends: 342 [2025-01-09 15:04:14,945 INFO L226 Difference]: Without dead ends: 214 [2025-01-09 15:04:14,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2025-01-09 15:04:14,947 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 89 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 15:04:14,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 213 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 15:04:14,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-01-09 15:04:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 196. [2025-01-09 15:04:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 132 states have internal predecessors, (171), 54 states have call successors, (54), 9 states have call predecessors, (54), 9 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-09 15:04:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 279 transitions. [2025-01-09 15:04:14,983 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 279 transitions. Word has length 122 [2025-01-09 15:04:14,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:04:14,983 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 279 transitions. [2025-01-09 15:04:14,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 6 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) [2025-01-09 15:04:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 279 transitions. [2025-01-09 15:04:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 15:04:14,986 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:04:14,986 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:04:14,992 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 15:04:15,190 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 15:04:15,190 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:04:15,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:04:15,191 INFO L85 PathProgramCache]: Analyzing trace with hash -190593394, now seen corresponding path program 1 times [2025-01-09 15:04:15,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 15:04:15,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337251909] [2025-01-09 15:04:15,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:15,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 15:04:15,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 15:04:15,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 15:04:15,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:15,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 15:04:15,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206894951] [2025-01-09 15:04:15,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:15,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 15:04:15,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:04:15,255 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 15:04:15,258 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 15:04:15,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 15:04:15,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 15:04:15,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:15,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 15:04:15,520 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 15:04:15,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 15:04:15,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 15:04:15,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:15,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 15:04:15,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 15:04:15,627 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 15:04:15,628 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 15:04:15,637 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 15:04:15,830 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 15:04:15,833 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 15:04:15,903 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 15:04:15,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 03:04:15 BoogieIcfgContainer [2025-01-09 15:04:15,905 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 15:04:15,905 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 15:04:15,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 15:04:15,906 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 15:04:15,907 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:04:11" (3/4) ... [2025-01-09 15:04:15,909 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 15:04:15,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 15:04:15,912 INFO L158 Benchmark]: Toolchain (without parser) took 4887.99ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 112.0MB in the beginning and 334.9MB in the end (delta: -223.0MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2025-01-09 15:04:15,912 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:04:15,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.25ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 98.4MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 15:04:15,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.18ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:04:15,913 INFO L158 Benchmark]: Boogie Preprocessor took 41.44ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 93.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:04:15,913 INFO L158 Benchmark]: RCFGBuilder took 310.39ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 74.4MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 15:04:15,913 INFO L158 Benchmark]: TraceAbstraction took 4285.06ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 74.0MB in the beginning and 335.0MB in the end (delta: -261.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2025-01-09 15:04:15,913 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 427.8MB. Free memory was 335.0MB in the beginning and 334.9MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 15:04:15,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.25ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 98.4MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.18ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.44ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 93.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.39ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 74.4MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4285.06ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 74.0MB in the beginning and 335.0MB in the end (delta: -261.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 427.8MB. Free memory was 335.0MB in the beginning and 334.9MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 128, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of bitwiseOr at line 45, overapproximation of bitwiseOr at line 128. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -32; [L23] signed long int var_1_3 = 10; [L24] signed long int var_1_4 = 64; [L25] unsigned short int var_1_11 = 64; [L26] unsigned short int var_1_12 = 8; [L27] unsigned short int var_1_13 = 5; [L28] signed short int var_1_14 = 8; [L29] unsigned short int var_1_15 = 62763; [L30] unsigned long int var_1_16 = 25; [L31] float var_1_18 = 63.25; [L32] unsigned char var_1_20 = 0; [L33] float var_1_21 = 7.8; [L34] float var_1_22 = 32.1; [L35] unsigned char var_1_23 = 0; [L36] signed long int var_1_24 = -16; [L37] signed long int last_1_var_1_1 = -32; [L38] unsigned short int last_1_var_1_11 = 64; [L39] signed short int last_1_var_1_14 = 8; [L40] unsigned long int last_1_var_1_16 = 25; [L41] float last_1_var_1_18 = 63.25; VAL [isInitial=0, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=10, var_1_4=64] [L132] isInitial = 1 [L133] FCALL initially() [L135] CALL updateLastVariables() [L121] last_1_var_1_1 = var_1_1 [L122] last_1_var_1_11 = var_1_11 [L123] last_1_var_1_14 = var_1_14 [L124] last_1_var_1_16 = var_1_16 [L125] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=10, var_1_4=64] [L135] RET updateLastVariables() [L136] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L93] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L94] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L94] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L95] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L95] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=64] [L96] var_1_4 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L97] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L98] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L98] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L99] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L99] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L100] var_1_12 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L101] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L102] CALL assume_abort_if_not(var_1_12 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L102] RET assume_abort_if_not(var_1_12 <= 16384) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L103] var_1_13 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L104] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L105] CALL assume_abort_if_not(var_1_13 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L105] RET assume_abort_if_not(var_1_13 <= 16383) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L106] var_1_15 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L107] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L108] CALL assume_abort_if_not(var_1_15 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L108] RET assume_abort_if_not(var_1_15 <= 65535) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L109] var_1_20 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L110] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L111] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L111] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L112] var_1_21 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L113] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L114] var_1_22 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L115] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=0, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L116] var_1_23 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L117] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L118] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=-255, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=-255, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L118] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=-255, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L136] RET updateVariables() [L137] CALL step() [L45] EXPR last_1_var_1_1 | last_1_var_1_16 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=-32, var_1_20=1, var_1_23=-255, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L45] COND FALSE !((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) [L52] var_1_1 = last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=64, var_1_20=1, var_1_23=-255, var_1_24=-16, var_1_3=-3, var_1_4=-2] [L54] COND FALSE !((- (- last_1_var_1_18)) != last_1_var_1_18) [L61] var_1_24 = last_1_var_1_14 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=64, var_1_20=1, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] [L63] COND FALSE !(((var_1_15 - var_1_12) + var_1_24) < var_1_24) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=64, var_1_20=1, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] [L66] unsigned short int stepLocal_0 = var_1_13; VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, stepLocal_0=0, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=253/4, var_1_1=64, var_1_20=1, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] [L67] COND FALSE !(var_1_24 < stepLocal_0) [L78] var_1_18 = var_1_21 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=64, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] [L80] COND TRUE var_1_18 != (var_1_18 + var_1_18) [L81] var_1_11 = ((var_1_12 + var_1_13) + 32) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=32, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] [L83] COND FALSE !(((var_1_1 * var_1_4) + var_1_1) > var_1_1) [L88] var_1_16 = 0u VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=32, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] [L137] RET step() [L138] CALL, EXPR property() [L128] EXPR last_1_var_1_1 | last_1_var_1_16 VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=32, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] [L128-L129] return (((((((last_1_var_1_14 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (last_1_var_1_1 | last_1_var_1_16)) ? (((last_1_var_1_18 * last_1_var_1_18) < last_1_var_1_18) ? (var_1_1 == ((signed long int) last_1_var_1_11)) : (var_1_1 == ((signed long int) last_1_var_1_11))) : (var_1_1 == ((signed long int) last_1_var_1_11))) && ((var_1_18 != (var_1_18 + var_1_18)) ? (var_1_11 == ((unsigned short int) ((var_1_12 + var_1_13) + 32))) : 1)) && ((((var_1_15 - var_1_12) + var_1_24) < var_1_24) ? (var_1_14 == ((signed short int) var_1_12)) : 1)) && ((((var_1_1 * var_1_4) + var_1_1) > var_1_1) ? ((var_1_14 < var_1_1) ? (var_1_16 == ((unsigned long int) var_1_12)) : 1) : (var_1_16 == ((unsigned long int) 0u)))) && ((var_1_24 < var_1_13) ? (var_1_20 ? (var_1_18 == ((float) (((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) + var_1_22))) : (var_1_23 ? (var_1_18 == ((float) (var_1_22 + var_1_21))) : (var_1_18 == ((float) -0.75f)))) : (var_1_18 == ((float) var_1_21)))) && (((- (- last_1_var_1_18)) != last_1_var_1_18) ? ((var_1_12 <= ((((last_1_var_1_14) > ((- last_1_var_1_14))) ? (last_1_var_1_14) : ((- last_1_var_1_14))))) ? (var_1_24 == ((signed long int) -50)) : (var_1_24 == ((signed long int) last_1_var_1_14))) : (var_1_24 == ((signed long int) last_1_var_1_14))) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=32, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=64, last_1_var_1_14=8, last_1_var_1_16=25, last_1_var_1_18=253/4, last_1_var_1_1=-32, var_1_11=32, var_1_12=0, var_1_13=0, var_1_14=8, var_1_15=32767, var_1_16=0, var_1_18=2, var_1_1=64, var_1_20=1, var_1_21=2, var_1_23=-255, var_1_24=8, var_1_3=-3, var_1_4=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 800 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 464 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 271 IncrementalHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 336 mSDtfsCounter, 271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 390 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 962 NumberOfCodeBlocks, 962 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 833 ConstructedInterpolants, 0 QuantifiedInterpolants, 2910 SizeOfPredicates, 3 NumberOfNonLiveVariables, 586 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 4103/4284 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 15:04:15,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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/hardness-nfm22/hardness_operatoramount_amount50_file-90.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 8cdace1547550d54940eb1853e700eb960270e5ab93539cbe0eb74590d699d9c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 15:04:17,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 15:04:17,766 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 15:04:17,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 15:04:17,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 15:04:17,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 15:04:17,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 15:04:17,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 15:04:17,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 15:04:17,800 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 15:04:17,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 15:04:17,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 15:04:17,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 15:04:17,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 15:04:17,801 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 15:04:17,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 15:04:17,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 15:04:17,801 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 15:04:17,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 15:04:17,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 15:04:17,803 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 15:04:17,803 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 15:04:17,803 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 15:04:17,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:04:17,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:04:17,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:04:17,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:04:17,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:04:17,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 15:04:17,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 15:04:17,804 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 -> 8cdace1547550d54940eb1853e700eb960270e5ab93539cbe0eb74590d699d9c [2025-01-09 15:04:18,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 15:04:18,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 15:04:18,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 15:04:18,032 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 15:04:18,032 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 15:04:18,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i [2025-01-09 15:04:19,180 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d3f3a310/75a9ede7072c4a88882db07a6960aa33/FLAG3b2e0acf9 [2025-01-09 15:04:19,365 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 15:04:19,365 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-90.i [2025-01-09 15:04:19,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d3f3a310/75a9ede7072c4a88882db07a6960aa33/FLAG3b2e0acf9 [2025-01-09 15:04:19,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d3f3a310/75a9ede7072c4a88882db07a6960aa33 [2025-01-09 15:04:19,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 15:04:19,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 15:04:19,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 15:04:19,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 15:04:19,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 15:04:19,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:19,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb3fde3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19, skipping insertion in model container [2025-01-09 15:04:19,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:19,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 15:04:19,840 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/hardness-nfm22/hardness_operatoramount_amount50_file-90.i[915,928] [2025-01-09 15:04:19,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:04:19,893 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 15:04:19,902 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/hardness-nfm22/hardness_operatoramount_amount50_file-90.i[915,928] [2025-01-09 15:04:19,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 15:04:19,934 INFO L204 MainTranslator]: Completed translation [2025-01-09 15:04:19,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19 WrapperNode [2025-01-09 15:04:19,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 15:04:19,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 15:04:19,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 15:04:19,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 15:04:19,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:19,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:19,977 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2025-01-09 15:04:19,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 15:04:19,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 15:04:19,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 15:04:19,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 15:04:19,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:19,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:19,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,008 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 15:04:20,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,022 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 15:04:20,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 15:04:20,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 15:04:20,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 15:04:20,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (1/1) ... [2025-01-09 15:04:20,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 15:04:20,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 15:04:20,066 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 15:04:20,069 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 15:04:20,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 15:04:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 15:04:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 15:04:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 15:04:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 15:04:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 15:04:20,147 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 15:04:20,148 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 15:04:20,906 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 15:04:20,906 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 15:04:20,912 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 15:04:20,912 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 15:04:20,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:04:20 BoogieIcfgContainer [2025-01-09 15:04:20,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 15:04:20,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 15:04:20,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 15:04:20,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 15:04:20,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 03:04:19" (1/3) ... [2025-01-09 15:04:20,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c94011b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:04:20, skipping insertion in model container [2025-01-09 15:04:20,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 03:04:19" (2/3) ... [2025-01-09 15:04:20,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c94011b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 03:04:20, skipping insertion in model container [2025-01-09 15:04:20,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 03:04:20" (3/3) ... [2025-01-09 15:04:20,919 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-90.i [2025-01-09 15:04:20,929 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 15:04:20,930 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-90.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 15:04:20,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 15:04:20,981 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;@6fb77dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 15:04:20,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 15:04:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 15:04:20,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 15:04:20,990 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:04:20,991 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:04:20,991 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:04:20,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:04:20,994 INFO L85 PathProgramCache]: Analyzing trace with hash 857386220, now seen corresponding path program 1 times [2025-01-09 15:04:21,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:04:21,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089314534] [2025-01-09 15:04:21,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:21,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 15:04:21,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:04:21,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 15:04:21,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 15:04:21,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 15:04:21,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 15:04:21,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:21,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:21,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-09 15:04:21,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:04:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-01-09 15:04:22,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 15:04:22,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 15:04:22,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089314534] [2025-01-09 15:04:22,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089314534] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 15:04:22,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [647657157] [2025-01-09 15:04:22,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:22,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-01-09 15:04:22,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-01-09 15:04:22,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-01-09 15:04:22,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2025-01-09 15:04:22,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 15:04:23,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 15:04:23,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:23,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:23,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-09 15:04:23,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 15:04:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 383 proven. 48 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-01-09 15:04:24,244 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 15:04:24,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [647657157] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 15:04:24,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 15:04:24,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2025-01-09 15:04:24,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478690952] [2025-01-09 15:04:24,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 15:04:24,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-09 15:04:24,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 15:04:24,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-09 15:04:24,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-01-09 15:04:24,401 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 15:04:26,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 15:04:26,194 INFO L93 Difference]: Finished difference Result 217 states and 378 transitions. [2025-01-09 15:04:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-09 15:04:26,203 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 115 [2025-01-09 15:04:26,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 15:04:26,208 INFO L225 Difference]: With dead ends: 217 [2025-01-09 15:04:26,208 INFO L226 Difference]: Without dead ends: 163 [2025-01-09 15:04:26,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=258, Invalid=612, Unknown=0, NotChecked=0, Total=870 [2025-01-09 15:04:26,212 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 203 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-01-09 15:04:26,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 312 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-01-09 15:04:26,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-01-09 15:04:26,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 136. [2025-01-09 15:04:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 89 states have internal predecessors, (119), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-09 15:04:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 203 transitions. [2025-01-09 15:04:26,254 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 203 transitions. Word has length 115 [2025-01-09 15:04:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 15:04:26,255 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 203 transitions. [2025-01-09 15:04:26,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-01-09 15:04:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 203 transitions. [2025-01-09 15:04:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 15:04:26,259 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 15:04:26,260 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 15:04:26,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-01-09 15:04:26,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2025-01-09 15:04:26,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2025-01-09 15:04:26,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 15:04:26,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 15:04:26,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1537444590, now seen corresponding path program 1 times [2025-01-09 15:04:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 15:04:26,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976872537] [2025-01-09 15:04:26,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 15:04:26,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 15:04:26,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 15:04:26,664 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 15:04:26,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-01-09 15:04:26,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 15:04:26,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 15:04:26,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 15:04:26,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 15:04:26,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-09 15:04:26,946 INFO L279 TraceCheckSpWp]: Computing forward predicates...