./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-5.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_fillercode_fillercodesize_normal_file-5.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 3ee41a83450d717782acb2357b704d06460d91e430d71e00e3cee4b83fe11825 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 09:07:44,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 09:07:44,557 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 09:07:44,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 09:07:44,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 09:07:44,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 09:07:44,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 09:07:44,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 09:07:44,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 09:07:44,580 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 09:07:44,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 09:07:44,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 09:07:44,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 09:07:44,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 09:07:44,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 09:07:44,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 09:07:44,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:07:44,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 09:07:44,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:07:44,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 09:07:44,583 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 09:07:44,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 09:07:44,584 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 -> 3ee41a83450d717782acb2357b704d06460d91e430d71e00e3cee4b83fe11825 [2025-01-09 09:07:44,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 09:07:44,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 09:07:44,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 09:07:44,778 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 09:07:44,779 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 09:07:44,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-5.i [2025-01-09 09:07:45,983 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a31507998/3635b1ba4c7c4ba7b686c99128d2f812/FLAGe1a984991 [2025-01-09 09:07:46,263 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 09:07:46,263 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-5.i [2025-01-09 09:07:46,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a31507998/3635b1ba4c7c4ba7b686c99128d2f812/FLAGe1a984991 [2025-01-09 09:07:46,297 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a31507998/3635b1ba4c7c4ba7b686c99128d2f812 [2025-01-09 09:07:46,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 09:07:46,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 09:07:46,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 09:07:46,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 09:07:46,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 09:07:46,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0e5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46, skipping insertion in model container [2025-01-09 09:07:46,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 09:07:46,459 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_fillercode_fillercodesize_normal_file-5.i[912,925] [2025-01-09 09:07:46,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 09:07:46,546 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 09:07:46,558 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_fillercode_fillercodesize_normal_file-5.i[912,925] [2025-01-09 09:07:46,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 09:07:46,600 INFO L204 MainTranslator]: Completed translation [2025-01-09 09:07:46,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46 WrapperNode [2025-01-09 09:07:46,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 09:07:46,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 09:07:46,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 09:07:46,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 09:07:46,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,650 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2025-01-09 09:07:46,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 09:07:46,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 09:07:46,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 09:07:46,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 09:07:46,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,673 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 09:07:46,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,679 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 09:07:46,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 09:07:46,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 09:07:46,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 09:07:46,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (1/1) ... [2025-01-09 09:07:46,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:07:46,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 09:07:46,735 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 09:07:46,737 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 09:07:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 09:07:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 09:07:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 09:07:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 09:07:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 09:07:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 09:07:46,798 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 09:07:46,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 09:07:47,036 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 09:07:47,036 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 09:07:47,048 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 09:07:47,048 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 09:07:47,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:07:47 BoogieIcfgContainer [2025-01-09 09:07:47,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 09:07:47,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 09:07:47,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 09:07:47,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 09:07:47,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:07:46" (1/3) ... [2025-01-09 09:07:47,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499f01a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:07:47, skipping insertion in model container [2025-01-09 09:07:47,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:46" (2/3) ... [2025-01-09 09:07:47,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499f01a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:07:47, skipping insertion in model container [2025-01-09 09:07:47,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:07:47" (3/3) ... [2025-01-09 09:07:47,057 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-5.i [2025-01-09 09:07:47,068 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 09:07:47,070 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-5.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 09:07:47,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 09:07:47,132 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;@dbc0f8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 09:07:47,133 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 09:07:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 09:07:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-09 09:07:47,147 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:07:47,147 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:47,148 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:07:47,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:07:47,153 INFO L85 PathProgramCache]: Analyzing trace with hash 199718020, now seen corresponding path program 1 times [2025-01-09 09:07:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 09:07:47,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139069798] [2025-01-09 09:07:47,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:07:47,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 09:07:47,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 09:07:47,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 09:07:47,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:07:47,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:07:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-09 09:07:47,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 09:07:47,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139069798] [2025-01-09 09:07:47,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139069798] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 09:07:47,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203969642] [2025-01-09 09:07:47,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:07:47,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 09:07:47,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 09:07:47,408 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 09:07:47,410 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 09:07:47,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 09:07:47,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 09:07:47,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:07:47,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:07:47,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 09:07:47,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 09:07:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-01-09 09:07:47,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 09:07:47,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203969642] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 09:07:47,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 09:07:47,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 09:07:47,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175792116] [2025-01-09 09:07:47,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 09:07:47,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 09:07:47,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 09:07:47,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 09:07:47,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 09:07:47,606 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 09:07:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 09:07:47,624 INFO L93 Difference]: Finished difference Result 100 states and 164 transitions. [2025-01-09 09:07:47,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 09:07:47,626 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2025-01-09 09:07:47,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 09:07:47,631 INFO L225 Difference]: With dead ends: 100 [2025-01-09 09:07:47,631 INFO L226 Difference]: Without dead ends: 50 [2025-01-09 09:07:47,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 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 09:07:47,635 INFO L435 NwaCegarLoop]: 71 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, 71 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 09:07:47,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 09:07:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-01-09 09:07:47,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-01-09 09:07:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 09:07:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2025-01-09 09:07:47,684 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 102 [2025-01-09 09:07:47,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 09:07:47,684 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2025-01-09 09:07:47,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 09:07:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2025-01-09 09:07:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-09 09:07:47,686 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:07:47,686 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:47,695 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 09:07:47,891 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 09:07:47,891 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:07:47,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:07:47,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1730424828, now seen corresponding path program 1 times [2025-01-09 09:07:47,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 09:07:47,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930495915] [2025-01-09 09:07:47,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:07:47,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 09:07:47,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 09:07:48,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 09:07:48,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:07:48,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 09:07:48,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1814574777] [2025-01-09 09:07:48,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:07:48,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 09:07:48,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 09:07:48,131 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 09:07:48,132 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 09:07:48,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 09:07:48,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 09:07:48,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:07:48,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 09:07:48,345 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 09:07:48,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 09:07:48,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 09:07:48,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:07:48,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 09:07:48,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 09:07:48,472 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 09:07:48,473 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 09:07:48,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 09:07:48,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 09:07:48,678 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 09:07:48,745 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 09:07:48,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:07:48 BoogieIcfgContainer [2025-01-09 09:07:48,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 09:07:48,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 09:07:48,751 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 09:07:48,751 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 09:07:48,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:07:47" (3/4) ... [2025-01-09 09:07:48,754 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 09:07:48,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 09:07:48,757 INFO L158 Benchmark]: Toolchain (without parser) took 2454.93ms. Allocated memory is still 167.8MB. Free memory was 127.6MB in the beginning and 80.5MB in the end (delta: 47.1MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2025-01-09 09:07:48,757 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 09:07:48,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.76ms. Allocated memory is still 167.8MB. Free memory was 127.4MB in the beginning and 113.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 09:07:48,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.50ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 109.3MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 09:07:48,757 INFO L158 Benchmark]: Boogie Preprocessor took 43.98ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 103.6MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 09:07:48,758 INFO L158 Benchmark]: RCFGBuilder took 353.18ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 82.3MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 09:07:48,758 INFO L158 Benchmark]: TraceAbstraction took 1700.29ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 09:07:48,758 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 167.8MB. Free memory was 80.6MB in the beginning and 80.5MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 09:07:48,763 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 226.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.76ms. Allocated memory is still 167.8MB. Free memory was 127.4MB in the beginning and 113.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.50ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 109.3MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.98ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 103.6MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.18ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 82.3MB in the end (delta: 21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1700.29ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 167.8MB. Free memory was 80.6MB in the beginning and 80.5MB in the end (delta: 50.8kB). 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 someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 110. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_4 = 128; [L24] unsigned char var_1_5 = 1; [L25] unsigned long int var_1_6 = 5; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 64; [L28] unsigned char var_1_11 = 64; [L29] unsigned short int var_1_12 = 25; [L30] unsigned short int var_1_14 = 31408; [L31] double var_1_15 = 64.375; [L32] double var_1_16 = 10.85; [L33] double var_1_17 = 128.8; [L34] double var_1_18 = 2.6; [L35] unsigned char var_1_19 = 0; [L36] unsigned char var_1_20 = 0; [L37] signed short int var_1_21 = -64; [L38] unsigned short int last_1_var_1_12 = 25; [L39] double last_1_var_1_15 = 64.375; VAL [isInitial=0, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L114] isInitial = 1 [L115] FCALL initially() [L117] CALL updateLastVariables() [L106] last_1_var_1_12 = var_1_12 [L107] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L117] RET updateLastVariables() [L118] CALL updateVariables() [L80] var_1_4 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=1, var_1_6=5, var_1_9=0] [L81] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=1, var_1_6=5, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=1, var_1_6=5, var_1_9=0] [L82] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=1, var_1_6=5, var_1_9=0] [L83] var_1_5 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_6=5, var_1_9=0] [L84] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_6=5, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L85] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L87] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L88] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L89] var_1_11 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_11 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L90] RET assume_abort_if_not(var_1_11 >= 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L91] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L92] var_1_14 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L93] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L94] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L96] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L97] var_1_17 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L98] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L99] var_1_18 = __VERIFIER_nondet_double() [L100] 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_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L100] 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_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L101] var_1_20 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L102] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=256, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=256, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L103] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=256, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L118] RET updateVariables() [L119] CALL step() [L43] COND FALSE !(last_1_var_1_12 > var_1_4) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=256, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L48] COND FALSE !(((- 64) + var_1_6) == var_1_6) [L51] var_1_1 = (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L53] COND TRUE var_1_5 == (var_1_6 / var_1_4) [L54] var_1_9 = ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=-64, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L58] var_1_21 = var_1_10 [L59] unsigned long int stepLocal_3 = var_1_6; [L60] unsigned char stepLocal_2 = var_1_4; VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_2=129, stepLocal_3=5, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L61] COND FALSE !(stepLocal_2 < var_1_1) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L66] unsigned long int stepLocal_0 = (((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)); VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_0=129, stepLocal_3=5, var_1_10=63, var_1_11=64, var_1_12=25, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L67] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= stepLocal_0 [L68] var_1_12 = ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=63, var_1_11=64, var_1_12=32772, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L72] signed long int stepLocal_1 = ~ (var_1_5 * var_1_1); VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_1=-1, stepLocal_3=5, var_1_10=63, var_1_11=64, var_1_12=32772, var_1_14=-98305, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L73] COND TRUE stepLocal_1 <= var_1_12 [L74] var_1_15 = (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=63, var_1_11=64, var_1_12=32772, var_1_14=-98305, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L119] RET step() [L120] CALL, EXPR property() [L110-L111] return (((((((((- 64) + var_1_6) == var_1_6) ? (var_1_1 == ((unsigned char) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - var_1_5))) : (var_1_1 == ((unsigned char) (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64)))) && ((last_1_var_1_12 > var_1_4) ? (((- last_1_var_1_15) < last_1_var_1_15) ? (var_1_6 == ((unsigned long int) 10u)) : 1) : 1)) && ((var_1_5 == (var_1_6 / var_1_4)) ? (var_1_9 == ((unsigned char) ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) : (var_1_9 == ((unsigned char) ((var_1_10 + var_1_11) - var_1_5))))) && ((((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= ((((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)))) ? (var_1_12 == ((unsigned short int) ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_12 == ((unsigned short int) var_1_6)))) && (((~ (var_1_5 * var_1_1)) <= var_1_12) ? (var_1_15 == ((double) (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))))) : (var_1_15 == ((double) ((((((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) < (var_1_18)) ? (((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) : (var_1_18))))))) && ((var_1_4 < var_1_1) ? ((var_1_6 > var_1_21) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_21 == ((signed short int) var_1_10)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=32772, var_1_14=-98305, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L120] RET, EXPR property() [L120] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=32772, var_1_14=-98305, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=63, var_1_11=64, var_1_12=32772, var_1_14=-98305, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=256, var_1_21=63, var_1_4=129, var_1_5=256, var_1_6=5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 247 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 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 09:07:48,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-5.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 3ee41a83450d717782acb2357b704d06460d91e430d71e00e3cee4b83fe11825 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 09:07:50,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 09:07:50,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 09:07:50,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 09:07:50,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 09:07:50,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 09:07:50,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 09:07:50,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 09:07:50,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 09:07:50,840 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 09:07:50,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 09:07:50,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 09:07:50,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 09:07:50,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 09:07:50,842 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 09:07:50,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 09:07:50,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:07:50,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 09:07:50,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 09:07:50,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 09:07:50,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:07:50,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 09:07:50,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 09:07:50,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 09:07:50,846 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 -> 3ee41a83450d717782acb2357b704d06460d91e430d71e00e3cee4b83fe11825 [2025-01-09 09:07:51,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 09:07:51,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 09:07:51,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 09:07:51,116 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 09:07:51,116 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 09:07:51,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-5.i [2025-01-09 09:07:52,384 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1eb9ba79c/bea50746c1f348d4b90a4b13d0236fab/FLAG2dad35b92 [2025-01-09 09:07:52,651 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 09:07:52,652 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-5.i [2025-01-09 09:07:52,665 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1eb9ba79c/bea50746c1f348d4b90a4b13d0236fab/FLAG2dad35b92 [2025-01-09 09:07:52,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1eb9ba79c/bea50746c1f348d4b90a4b13d0236fab [2025-01-09 09:07:52,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 09:07:52,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 09:07:52,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 09:07:52,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 09:07:52,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 09:07:52,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:52,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60177a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52, skipping insertion in model container [2025-01-09 09:07:52,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:52,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 09:07:52,848 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_fillercode_fillercodesize_normal_file-5.i[912,925] [2025-01-09 09:07:52,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 09:07:52,919 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 09:07:52,928 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_fillercode_fillercodesize_normal_file-5.i[912,925] [2025-01-09 09:07:52,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 09:07:52,971 INFO L204 MainTranslator]: Completed translation [2025-01-09 09:07:52,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52 WrapperNode [2025-01-09 09:07:52,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 09:07:52,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 09:07:52,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 09:07:52,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 09:07:52,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:52,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,011 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2025-01-09 09:07:53,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 09:07:53,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 09:07:53,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 09:07:53,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 09:07:53,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,049 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 09:07:53,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,066 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 09:07:53,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 09:07:53,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 09:07:53,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 09:07:53,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (1/1) ... [2025-01-09 09:07:53,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 09:07:53,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 09:07:53,118 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 09:07:53,124 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 09:07:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 09:07:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 09:07:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 09:07:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 09:07:53,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 09:07:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 09:07:53,226 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 09:07:53,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 09:07:53,714 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 09:07:53,714 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 09:07:53,721 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 09:07:53,722 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 09:07:53,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:07:53 BoogieIcfgContainer [2025-01-09 09:07:53,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 09:07:53,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 09:07:53,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 09:07:53,729 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 09:07:53,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:07:52" (1/3) ... [2025-01-09 09:07:53,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3f0c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:07:53, skipping insertion in model container [2025-01-09 09:07:53,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:07:52" (2/3) ... [2025-01-09 09:07:53,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3f0c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:07:53, skipping insertion in model container [2025-01-09 09:07:53,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:07:53" (3/3) ... [2025-01-09 09:07:53,731 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-5.i [2025-01-09 09:07:53,740 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 09:07:53,741 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-5.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 09:07:53,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 09:07:53,823 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;@551c85b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 09:07:53,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 09:07:53,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 09:07:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-09 09:07:53,835 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:07:53,836 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:53,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:07:53,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:07:53,840 INFO L85 PathProgramCache]: Analyzing trace with hash 199718020, now seen corresponding path program 1 times [2025-01-09 09:07:53,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 09:07:53,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010186669] [2025-01-09 09:07:53,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:07:53,849 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 09:07:53,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 09:07:53,854 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 09:07:53,855 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 09:07:53,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 09:07:54,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 09:07:54,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:07:54,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:07:54,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 09:07:54,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 09:07:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-01-09 09:07:54,085 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 09:07:54,085 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 09:07:54,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010186669] [2025-01-09 09:07:54,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010186669] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 09:07:54,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 09:07:54,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 09:07:54,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135211577] [2025-01-09 09:07:54,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 09:07:54,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 09:07:54,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 09:07:54,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 09:07:54,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 09:07:54,104 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 09:07:54,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 09:07:54,117 INFO L93 Difference]: Finished difference Result 100 states and 164 transitions. [2025-01-09 09:07:54,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 09:07:54,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2025-01-09 09:07:54,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 09:07:54,121 INFO L225 Difference]: With dead ends: 100 [2025-01-09 09:07:54,121 INFO L226 Difference]: Without dead ends: 50 [2025-01-09 09:07:54,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 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 09:07:54,125 INFO L435 NwaCegarLoop]: 71 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, 71 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 09:07:54,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 09:07:54,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-01-09 09:07:54,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-01-09 09:07:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 09:07:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2025-01-09 09:07:54,147 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 102 [2025-01-09 09:07:54,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 09:07:54,147 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2025-01-09 09:07:54,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-01-09 09:07:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2025-01-09 09:07:54,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-09 09:07:54,149 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 09:07:54,149 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:54,156 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 09:07:54,349 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 09:07:54,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 09:07:54,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 09:07:54,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1730424828, now seen corresponding path program 1 times [2025-01-09 09:07:54,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 09:07:54,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56565413] [2025-01-09 09:07:54,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 09:07:54,351 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 09:07:54,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 09:07:54,358 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 09:07:54,363 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 09:07:54,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 09:07:54,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 09:07:54,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 09:07:54,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 09:07:54,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-09 09:07:54,616 INFO L279 TraceCheckSpWp]: Computing forward predicates...