./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-91.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_loopvsstraightlinecode_50-while_file-91.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 2d8b2be6d6ac251f6f2682006f5d119ef2b6d6ee8107fbc3310af784e3db17b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:01:19,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:01:19,627 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 14:01:19,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:01:19,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:01:19,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:01:19,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:01:19,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:01:19,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:01:19,655 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:01:19,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:01:19,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:01:19,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:01:19,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:01:19,656 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:01:19,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:01:19,657 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:01:19,658 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:01:19,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:01:19,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:01:19,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:01:19,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:01:19,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:01:19,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:01:19,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:01:19,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:01:19,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:01:19,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:01:19,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:01:19,660 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 -> 2d8b2be6d6ac251f6f2682006f5d119ef2b6d6ee8107fbc3310af784e3db17b0 [2025-01-09 14:01:19,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:01:19,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:01:19,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:01:19,869 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:01:19,869 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:01:19,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-91.i [2025-01-09 14:01:21,009 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a0dcc37ed/5f9440c78998439bb06695a742448dac/FLAGc77b65f86 [2025-01-09 14:01:21,238 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:01:21,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-91.i [2025-01-09 14:01:21,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a0dcc37ed/5f9440c78998439bb06695a742448dac/FLAGc77b65f86 [2025-01-09 14:01:21,259 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a0dcc37ed/5f9440c78998439bb06695a742448dac [2025-01-09 14:01:21,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:01:21,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:01:21,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:01:21,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:01:21,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:01:21,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43df82bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21, skipping insertion in model container [2025-01-09 14:01:21,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:01:21,383 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_loopvsstraightlinecode_50-while_file-91.i[915,928] [2025-01-09 14:01:21,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:01:21,453 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:01:21,464 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_loopvsstraightlinecode_50-while_file-91.i[915,928] [2025-01-09 14:01:21,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:01:21,508 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:01:21,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21 WrapperNode [2025-01-09 14:01:21,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:01:21,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:01:21,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:01:21,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:01:21,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,556 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2025-01-09 14:01:21,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:01:21,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:01:21,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:01:21,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:01:21,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,580 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 14:01:21,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,591 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:01:21,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:01:21,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:01:21,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:01:21,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (1/1) ... [2025-01-09 14:01:21,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:01:21,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:01:21,633 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 14:01:21,636 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 14:01:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:01:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:01:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:01:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 14:01:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:01:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:01:21,704 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:01:21,705 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:01:21,962 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 14:01:21,963 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:01:21,975 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:01:21,976 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:01:21,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:01:21 BoogieIcfgContainer [2025-01-09 14:01:21,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:01:21,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:01:21,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:01:21,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:01:21,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:01:21" (1/3) ... [2025-01-09 14:01:21,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3847875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:01:21, skipping insertion in model container [2025-01-09 14:01:21,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:21" (2/3) ... [2025-01-09 14:01:21,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3847875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:01:21, skipping insertion in model container [2025-01-09 14:01:21,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:01:21" (3/3) ... [2025-01-09 14:01:21,985 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-91.i [2025-01-09 14:01:21,994 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:01:21,995 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-91.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:01:22,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:01:22,043 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;@7558c48c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:01:22,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:01:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 14:01:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-09 14:01:22,055 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:01:22,056 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:22,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:01:22,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:01:22,059 INFO L85 PathProgramCache]: Analyzing trace with hash -997829174, now seen corresponding path program 1 times [2025-01-09 14:01:22,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:01:22,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697658286] [2025-01-09 14:01:22,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:01:22,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:01:22,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 14:01:22,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 14:01:22,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:22,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:01:22,297 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-01-09 14:01:22,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:01:22,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697658286] [2025-01-09 14:01:22,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697658286] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:01:22,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170435064] [2025-01-09 14:01:22,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:01:22,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:01:22,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:01:22,303 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 14:01:22,305 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 14:01:22,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 14:01:22,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 14:01:22,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:22,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:01:22,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:01:22,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:01:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-01-09 14:01:22,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:01:22,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170435064] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:01:22,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 14:01:22,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 14:01:22,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467241465] [2025-01-09 14:01:22,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:01:22,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:01:22,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:01:22,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:01:22,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:01:22,526 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 14:01:22,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:01:22,543 INFO L93 Difference]: Finished difference Result 120 states and 203 transitions. [2025-01-09 14:01:22,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:01:22,545 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2025-01-09 14:01:22,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:01:22,549 INFO L225 Difference]: With dead ends: 120 [2025-01-09 14:01:22,549 INFO L226 Difference]: Without dead ends: 60 [2025-01-09 14:01:22,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 14:01:22,556 INFO L435 NwaCegarLoop]: 89 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, 89 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 14:01:22,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:01:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-01-09 14:01:22,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-01-09 14:01:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 14:01:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2025-01-09 14:01:22,586 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 130 [2025-01-09 14:01:22,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:01:22,586 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2025-01-09 14:01:22,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 14:01:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2025-01-09 14:01:22,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-09 14:01:22,589 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:01:22,589 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:22,595 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 14:01:22,790 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 14:01:22,790 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:01:22,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:01:22,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1810054514, now seen corresponding path program 1 times [2025-01-09 14:01:22,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:01:22,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969768883] [2025-01-09 14:01:22,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:01:22,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:01:22,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 14:01:22,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 14:01:22,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:22,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:01:22,947 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2025-01-09 14:01:22,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:01:22,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969768883] [2025-01-09 14:01:22,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969768883] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:01:22,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:01:22,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 14:01:22,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252648445] [2025-01-09 14:01:22,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:01:22,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 14:01:22,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:01:22,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 14:01:22,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 14:01:22,949 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-01-09 14:01:22,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:01:22,990 INFO L93 Difference]: Finished difference Result 171 states and 255 transitions. [2025-01-09 14:01:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 14:01:22,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2025-01-09 14:01:22,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:01:22,993 INFO L225 Difference]: With dead ends: 171 [2025-01-09 14:01:22,993 INFO L226 Difference]: Without dead ends: 114 [2025-01-09 14:01:22,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 14:01:22,994 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 79 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:01:22,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 233 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:01:22,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-01-09 14:01:23,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 62. [2025-01-09 14:01:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 14:01:23,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2025-01-09 14:01:23,007 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 130 [2025-01-09 14:01:23,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:01:23,012 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2025-01-09 14:01:23,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-01-09 14:01:23,012 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2025-01-09 14:01:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-09 14:01:23,013 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:01:23,014 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:23,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 14:01:23,014 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:01:23,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:01:23,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1343854271, now seen corresponding path program 1 times [2025-01-09 14:01:23,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:01:23,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103689848] [2025-01-09 14:01:23,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:01:23,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:01:23,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 14:01:23,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 14:01:23,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:23,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 14:01:23,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971327372] [2025-01-09 14:01:23,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:01:23,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:01:23,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:01:23,179 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 14:01:23,181 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 14:01:23,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 14:01:23,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 14:01:23,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:23,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:01:23,435 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 14:01:23,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 14:01:23,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 14:01:23,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:23,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:01:23,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 14:01:23,527 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 14:01:23,528 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:01:23,534 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 14:01:23,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:01:23,732 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 14:01:23,806 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:01:23,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:01:23 BoogieIcfgContainer [2025-01-09 14:01:23,808 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:01:23,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:01:23,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:01:23,814 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:01:23,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:01:21" (3/4) ... [2025-01-09 14:01:23,816 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 14:01:23,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:01:23,817 INFO L158 Benchmark]: Toolchain (without parser) took 2555.50ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 82.6MB in the end (delta: 21.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2025-01-09 14:01:23,818 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:01:23,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.35ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 90.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 14:01:23,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.58ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 86.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:01:23,819 INFO L158 Benchmark]: Boogie Preprocessor took 48.03ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 79.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:01:23,819 INFO L158 Benchmark]: RCFGBuilder took 371.52ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 59.4MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 14:01:23,819 INFO L158 Benchmark]: TraceAbstraction took 1830.13ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 82.6MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:01:23,820 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:01:23,821 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 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.35ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 90.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.58ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 86.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.03ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 79.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 371.52ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 59.4MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1830.13ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 82.6MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 37.0kB). 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 119, overapproximation of someBinaryFLOATComparisonOperation at line 133, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -64; [L23] signed short int var_1_5 = 8; [L24] signed short int var_1_6 = 8; [L25] signed short int var_1_7 = 5; [L26] signed short int var_1_8 = 0; [L27] signed char var_1_9 = 5; [L28] signed char var_1_11 = 16; [L29] signed short int var_1_12 = 25; [L30] signed short int var_1_13 = 64; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 16; [L33] float var_1_17 = 1.2; [L34] float var_1_18 = 5.8; [L35] float var_1_19 = 10.25; [L36] float var_1_20 = 2.5; [L37] signed short int var_1_21 = 200; [L38] unsigned char var_1_24 = 1; [L39] unsigned char var_1_25 = 0; [L40] signed char var_1_26 = -5; [L41] signed short int last_1_var_1_1 = -64; [L42] signed short int last_1_var_1_13 = 64; [L43] unsigned char last_1_var_1_15 = 1; [L44] signed char last_1_var_1_26 = -5; VAL [isInitial=0, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L137] isInitial = 1 [L138] FCALL initially() [L140] CALL updateLastVariables() [L127] last_1_var_1_1 = var_1_1 [L128] last_1_var_1_13 = var_1_13 [L129] last_1_var_1_15 = var_1_15 [L130] last_1_var_1_26 = var_1_26 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=8, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L140] RET updateLastVariables() [L141] CALL updateVariables() [L94] var_1_5 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L95] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L96] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L96] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=8, var_1_7=5, var_1_8=0, var_1_9=5] [L97] var_1_6 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L98] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L99] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L99] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=5, var_1_8=0, var_1_9=5] [L100] var_1_7 = __VERIFIER_nondet_short() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L102] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L102] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L103] var_1_8 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L104] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L105] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L105] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=16, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L106] var_1_11 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L107] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L108] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L108] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=25, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L109] var_1_12 = __VERIFIER_nondet_short() [L110] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L110] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L111] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L111] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L112] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L112] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=16, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L113] var_1_16 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L114] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L115] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L115] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_18=29/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L116] var_1_18 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L117] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_19=41/4, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L118] var_1_19 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L119] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_20=5/2, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L120] var_1_20 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L121] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L122] var_1_25 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L123] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L124] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L124] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L141] RET updateVariables() [L142] CALL step() [L48] COND FALSE !(last_1_var_1_13 == last_1_var_1_1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L55] signed long int stepLocal_3 = (var_1_6 + var_1_8) - var_1_5; [L56] signed short int stepLocal_2 = var_1_1; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_2=-64, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=1, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L57] COND FALSE !(var_1_11 < stepLocal_2) [L64] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=5, var_1_16=5, var_1_17=6/5, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L66] COND TRUE var_1_11 < 5 [L67] var_1_17 = ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=200, var_1_24=1, var_1_25=0, var_1_26=-5, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L69] var_1_24 = var_1_25 [L70] var_1_26 = var_1_11 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=200, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L71] COND FALSE !(\read(var_1_24)) [L76] var_1_21 = (var_1_15 - 2) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L78] unsigned char stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_0=5, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L79] COND FALSE !(\read(var_1_24)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_0=5, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=5] [L82] COND FALSE !(stepLocal_0 <= (var_1_21 / var_1_12)) [L85] var_1_9 = var_1_11 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L88] signed long int stepLocal_1 = var_1_1 * (var_1_15 % var_1_12); VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_1=-64, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L89] COND TRUE (- var_1_15) >= stepLocal_1 [L90] var_1_13 = var_1_26 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, stepLocal_3=0, var_1_11=-64, var_1_12=2, var_1_13=-64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L142] RET step() [L143] CALL, EXPR property() [L133-L134] return ((((((((last_1_var_1_13 == last_1_var_1_1) ? ((last_1_var_1_1 <= ((((last_1_var_1_13) > (last_1_var_1_26)) ? (last_1_var_1_13) : (last_1_var_1_26)))) ? (var_1_1 == ((signed short int) (last_1_var_1_1 + (((((last_1_var_1_15 - last_1_var_1_15)) < ((last_1_var_1_15 - last_1_var_1_15))) ? ((last_1_var_1_15 - last_1_var_1_15)) : ((last_1_var_1_15 - last_1_var_1_15))))))) : (var_1_1 == ((signed short int) (((((last_1_var_1_15 - last_1_var_1_15)) < (((last_1_var_1_15 - last_1_var_1_15) + -256))) ? ((last_1_var_1_15 - last_1_var_1_15)) : (((last_1_var_1_15 - last_1_var_1_15) + -256))))))) : 1) && (var_1_24 ? (var_1_9 == ((signed char) var_1_11)) : ((var_1_15 <= (var_1_21 / var_1_12)) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_11))))) && (((- var_1_15) >= (var_1_1 * (var_1_15 % var_1_12))) ? (var_1_13 == ((signed short int) var_1_26)) : 1)) && ((var_1_11 < var_1_1) ? ((var_1_7 == ((var_1_6 + var_1_8) - var_1_5)) ? (var_1_15 == ((unsigned char) var_1_16)) : (var_1_15 == ((unsigned char) var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && ((var_1_11 < 5) ? (var_1_17 == ((float) ((((var_1_18) > ((var_1_19 - var_1_20))) ? (var_1_18) : ((var_1_19 - var_1_20)))))) : 1)) && (var_1_24 ? ((var_1_24 && var_1_24) ? (var_1_21 == ((signed short int) var_1_15)) : 1) : (var_1_21 == ((signed short int) (var_1_15 - 2))))) && (var_1_24 == ((unsigned char) var_1_25))) && (var_1_26 == ((signed char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=-64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=-64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_15=1, last_1_var_1_1=-64, last_1_var_1_26=-5, var_1_11=-64, var_1_12=2, var_1_13=-64, var_1_15=5, var_1_16=5, var_1_17=2, var_1_18=2, var_1_1=-64, var_1_21=3, var_1_24=0, var_1_25=0, var_1_26=-64, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 322 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 244 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 652 NumberOfCodeBlocks, 652 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 320 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2242/2280 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 14:01:23,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_loopvsstraightlinecode_50-while_file-91.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 2d8b2be6d6ac251f6f2682006f5d119ef2b6d6ee8107fbc3310af784e3db17b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:01:25,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:01:25,702 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 14:01:25,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:01:25,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:01:25,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:01:25,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:01:25,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:01:25,731 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:01:25,732 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:01:25,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:01:25,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:01:25,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:01:25,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:01:25,732 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:01:25,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:01:25,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:01:25,732 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:01:25,733 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:01:25,734 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:01:25,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:01:25,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:01:25,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:01:25,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:01:25,735 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 -> 2d8b2be6d6ac251f6f2682006f5d119ef2b6d6ee8107fbc3310af784e3db17b0 [2025-01-09 14:01:25,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:01:25,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:01:25,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:01:25,958 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:01:25,958 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:01:25,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-91.i [2025-01-09 14:01:27,103 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b64699414/c4d1997aa7cd4fd3ab6ac263af76ab4f/FLAGcf61feaf6 [2025-01-09 14:01:27,319 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:01:27,320 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-91.i [2025-01-09 14:01:27,327 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b64699414/c4d1997aa7cd4fd3ab6ac263af76ab4f/FLAGcf61feaf6 [2025-01-09 14:01:27,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b64699414/c4d1997aa7cd4fd3ab6ac263af76ab4f [2025-01-09 14:01:27,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:01:27,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:01:27,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:01:27,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:01:27,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:01:27,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edd0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27, skipping insertion in model container [2025-01-09 14:01:27,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:01:27,787 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_loopvsstraightlinecode_50-while_file-91.i[915,928] [2025-01-09 14:01:27,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:01:27,837 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:01:27,846 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_loopvsstraightlinecode_50-while_file-91.i[915,928] [2025-01-09 14:01:27,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:01:27,880 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:01:27,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27 WrapperNode [2025-01-09 14:01:27,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:01:27,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:01:27,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:01:27,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:01:27,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,929 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2025-01-09 14:01:27,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:01:27,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:01:27,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:01:27,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:01:27,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,942 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,955 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 14:01:27,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,967 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:01:27,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:01:27,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:01:27,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:01:27,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (1/1) ... [2025-01-09 14:01:27,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:01:27,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:01:28,012 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 14:01:28,014 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 14:01:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:01:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 14:01:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:01:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:01:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:01:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:01:28,087 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:01:28,088 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:01:28,519 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 14:01:28,519 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:01:28,526 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:01:28,526 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:01:28,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:01:28 BoogieIcfgContainer [2025-01-09 14:01:28,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:01:28,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:01:28,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:01:28,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:01:28,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:01:27" (1/3) ... [2025-01-09 14:01:28,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cf2a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:01:28, skipping insertion in model container [2025-01-09 14:01:28,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:01:27" (2/3) ... [2025-01-09 14:01:28,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cf2a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:01:28, skipping insertion in model container [2025-01-09 14:01:28,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:01:28" (3/3) ... [2025-01-09 14:01:28,535 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-91.i [2025-01-09 14:01:28,556 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:01:28,557 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-91.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:01:28,592 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:01:28,600 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;@1993ff71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:01:28,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:01:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 14:01:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-09 14:01:28,613 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:01:28,613 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:28,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:01:28,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:01:28,619 INFO L85 PathProgramCache]: Analyzing trace with hash -997829174, now seen corresponding path program 1 times [2025-01-09 14:01:28,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:01:28,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574722984] [2025-01-09 14:01:28,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:01:28,627 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 14:01:28,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:01:28,630 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 14:01:28,631 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 14:01:28,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 14:01:28,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 14:01:28,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:28,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:01:28,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:01:28,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:01:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2025-01-09 14:01:28,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:01:28,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:01:28,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574722984] [2025-01-09 14:01:28,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574722984] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:01:28,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:01:28,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 14:01:28,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935904014] [2025-01-09 14:01:28,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:01:28,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:01:28,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:01:28,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:01:28,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:01:28,917 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 14:01:28,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:01:28,933 INFO L93 Difference]: Finished difference Result 120 states and 203 transitions. [2025-01-09 14:01:28,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:01:28,935 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2025-01-09 14:01:28,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:01:28,939 INFO L225 Difference]: With dead ends: 120 [2025-01-09 14:01:28,939 INFO L226 Difference]: Without dead ends: 60 [2025-01-09 14:01:28,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 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 14:01:28,943 INFO L435 NwaCegarLoop]: 89 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, 89 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 14:01:28,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:01:28,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-01-09 14:01:28,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-01-09 14:01:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 14:01:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2025-01-09 14:01:28,971 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 130 [2025-01-09 14:01:28,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:01:28,972 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2025-01-09 14:01:28,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 14:01:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2025-01-09 14:01:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-09 14:01:28,977 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:01:28,977 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:28,988 INFO L552 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)] Ended with exit code 0 [2025-01-09 14:01:29,178 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 [2025-01-09 14:01:29,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:01:29,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:01:29,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1810054514, now seen corresponding path program 1 times [2025-01-09 14:01:29,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:01:29,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485282283] [2025-01-09 14:01:29,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:01:29,180 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 14:01:29,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:01:29,183 INFO L229 MonitoredProcess]: Starting monitored process 3 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 14:01:29,184 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 (3)] Waiting until timeout for monitored process [2025-01-09 14:01:29,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-01-09 14:01:29,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-01-09 14:01:29,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:29,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:01:29,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 14:01:29,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:01:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2025-01-09 14:01:29,509 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:01:29,509 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:01:29,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485282283] [2025-01-09 14:01:29,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485282283] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:01:29,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:01:29,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 14:01:29,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206715006] [2025-01-09 14:01:29,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:01:29,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 14:01:29,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:01:29,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 14:01:29,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-09 14:01:29,511 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-01-09 14:01:30,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:01:30,181 INFO L93 Difference]: Finished difference Result 176 states and 255 transitions. [2025-01-09 14:01:30,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-09 14:01:30,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2025-01-09 14:01:30,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:01:30,185 INFO L225 Difference]: With dead ends: 176 [2025-01-09 14:01:30,186 INFO L226 Difference]: Without dead ends: 119 [2025-01-09 14:01:30,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2025-01-09 14:01:30,187 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 104 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 14:01:30,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 282 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 14:01:30,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-01-09 14:01:30,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 63. [2025-01-09 14:01:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 14:01:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2025-01-09 14:01:30,207 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 88 transitions. Word has length 130 [2025-01-09 14:01:30,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:01:30,207 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 88 transitions. [2025-01-09 14:01:30,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2025-01-09 14:01:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2025-01-09 14:01:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-09 14:01:30,210 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:01:30,210 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:30,217 INFO L552 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 (3)] Ended with exit code 0 [2025-01-09 14:01:30,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2025-01-09 14:01:30,410 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:01:30,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:01:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1343854271, now seen corresponding path program 1 times [2025-01-09 14:01:30,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:01:30,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512462895] [2025-01-09 14:01:30,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:01:30,411 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 14:01:30,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:01:30,414 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 14:01:30,415 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 14:01:30,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 14:01:30,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 14:01:30,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:01:30,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:01:30,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-09 14:01:30,644 INFO L279 TraceCheckSpWp]: Computing forward predicates...