./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.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 bdbdb0a57f8e7955fa347b2650d76001482f700f8541e178ab37930e0988af8a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 13:18:19,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 13:18:19,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 13:18:19,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 13:18:19,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 13:18:19,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 13:18:19,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 13:18:19,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 13:18:19,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 13:18:19,891 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 13:18:19,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 13:18:19,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 13:18:19,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 13:18:19,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 13:18:19,893 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 13:18:19,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 13:18:19,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 13:18:19,893 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 13:18:19,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 13:18:19,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 13:18:19,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 13:18:19,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 13:18:19,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 13:18:19,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 13:18:19,894 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 13:18:19,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 13:18:19,895 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 13:18:19,895 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 13:18:19,895 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 13:18:19,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:18:19,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:18:19,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:18:19,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:18:19,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 13:18:19,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:18:19,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:18:19,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:18:19,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:18:19,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 13:18:19,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 13:18:19,897 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 -> bdbdb0a57f8e7955fa347b2650d76001482f700f8541e178ab37930e0988af8a [2025-01-09 13:18:20,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 13:18:20,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 13:18:20,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 13:18:20,194 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 13:18:20,195 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 13:18:20,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i [2025-01-09 13:18:21,548 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6a78843bb/d23c7ef02e8d4a2894cfb46e965b44de/FLAG0b3658bcb [2025-01-09 13:18:21,828 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 13:18:21,829 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i [2025-01-09 13:18:21,840 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6a78843bb/d23c7ef02e8d4a2894cfb46e965b44de/FLAG0b3658bcb [2025-01-09 13:18:21,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6a78843bb/d23c7ef02e8d4a2894cfb46e965b44de [2025-01-09 13:18:21,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 13:18:21,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 13:18:21,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 13:18:21,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 13:18:21,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 13:18:21,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:18:21" (1/1) ... [2025-01-09 13:18:21,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652cb213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:21, skipping insertion in model container [2025-01-09 13:18:21,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:18:21" (1/1) ... [2025-01-09 13:18:21,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 13:18:22,022 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i[915,928] [2025-01-09 13:18:22,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:18:22,097 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 13:18:22,108 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i[915,928] [2025-01-09 13:18:22,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:18:22,150 INFO L204 MainTranslator]: Completed translation [2025-01-09 13:18:22,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22 WrapperNode [2025-01-09 13:18:22,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 13:18:22,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 13:18:22,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 13:18:22,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 13:18:22,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,197 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2025-01-09 13:18:22,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 13:18:22,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 13:18:22,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 13:18:22,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 13:18:22,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,235 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 13:18:22,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 13:18:22,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 13:18:22,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 13:18:22,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 13:18:22,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (1/1) ... [2025-01-09 13:18:22,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:18:22,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:18:22,293 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 13:18:22,297 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 13:18:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 13:18:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 13:18:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 13:18:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 13:18:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 13:18:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 13:18:22,394 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 13:18:22,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 13:18:22,650 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-09 13:18:22,651 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 13:18:22,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 13:18:22,663 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 13:18:22,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:18:22 BoogieIcfgContainer [2025-01-09 13:18:22,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 13:18:22,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 13:18:22,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 13:18:22,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 13:18:22,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:18:21" (1/3) ... [2025-01-09 13:18:22,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767b4b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:18:22, skipping insertion in model container [2025-01-09 13:18:22,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:22" (2/3) ... [2025-01-09 13:18:22,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767b4b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:18:22, skipping insertion in model container [2025-01-09 13:18:22,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:18:22" (3/3) ... [2025-01-09 13:18:22,675 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-48.i [2025-01-09 13:18:22,690 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 13:18:22,694 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-48.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 13:18:22,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 13:18:22,764 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;@477c858b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 13:18:22,765 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 13:18:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 13:18:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 13:18:22,779 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:18:22,780 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:18:22,780 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:18:22,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:18:22,786 INFO L85 PathProgramCache]: Analyzing trace with hash 116943168, now seen corresponding path program 1 times [2025-01-09 13:18:22,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 13:18:22,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679162300] [2025-01-09 13:18:22,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:18:22,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 13:18:22,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 13:18:22,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 13:18:22,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:22,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:18:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 13:18:23,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 13:18:23,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679162300] [2025-01-09 13:18:23,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679162300] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 13:18:23,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973532606] [2025-01-09 13:18:23,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:18:23,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 13:18:23,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:18:23,067 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 13:18:23,069 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 13:18:23,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 13:18:23,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 13:18:23,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:23,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:18:23,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 13:18:23,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 13:18:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 13:18:23,300 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 13:18:23,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973532606] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 13:18:23,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 13:18:23,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 13:18:23,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382346239] [2025-01-09 13:18:23,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 13:18:23,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 13:18:23,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 13:18:23,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 13:18:23,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 13:18:23,330 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 13:18:23,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 13:18:23,348 INFO L93 Difference]: Finished difference Result 109 states and 177 transitions. [2025-01-09 13:18:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 13:18:23,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2025-01-09 13:18:23,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 13:18:23,354 INFO L225 Difference]: With dead ends: 109 [2025-01-09 13:18:23,354 INFO L226 Difference]: Without dead ends: 53 [2025-01-09 13:18:23,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 13:18:23,361 INFO L435 NwaCegarLoop]: 79 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, 79 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 13:18:23,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 13:18:23,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-01-09 13:18:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-01-09 13:18:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 13:18:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2025-01-09 13:18:23,404 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 116 [2025-01-09 13:18:23,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 13:18:23,405 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2025-01-09 13:18:23,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 13:18:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2025-01-09 13:18:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 13:18:23,409 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:18:23,409 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:18:23,418 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 13:18:23,614 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 13:18:23,614 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:18:23,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:18:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash -460041132, now seen corresponding path program 1 times [2025-01-09 13:18:23,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 13:18:23,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143905899] [2025-01-09 13:18:23,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:18:23,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 13:18:23,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 13:18:23,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 13:18:23,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:23,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 13:18:23,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313715934] [2025-01-09 13:18:23,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:18:23,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 13:18:23,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:18:23,734 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 13:18:23,742 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 13:18:23,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 13:18:23,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 13:18:23,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:23,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 13:18:23,886 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 13:18:23,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 13:18:23,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 13:18:23,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:23,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 13:18:24,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 13:18:24,015 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 13:18:24,017 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 13:18:24,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 13:18:24,219 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 13:18:24,221 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 13:18:24,292 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 13:18:24,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:18:24 BoogieIcfgContainer [2025-01-09 13:18:24,296 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 13:18:24,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 13:18:24,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 13:18:24,297 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 13:18:24,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:18:22" (3/4) ... [2025-01-09 13:18:24,299 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 13:18:24,300 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 13:18:24,302 INFO L158 Benchmark]: Toolchain (without parser) took 2437.24ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 107.1MB in the end (delta: 16.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2025-01-09 13:18:24,302 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:18:24,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.09ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 110.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 13:18:24,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.86ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 13:18:24,304 INFO L158 Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 106.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:18:24,305 INFO L158 Benchmark]: RCFGBuilder took 406.65ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 90.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 13:18:24,306 INFO L158 Benchmark]: TraceAbstraction took 1629.76ms. Allocated memory is still 167.8MB. Free memory was 90.0MB in the beginning and 107.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:18:24,306 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 107.1MB in the end (delta: 867.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:18:24,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.09ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 110.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.86ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.76ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 106.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.65ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 90.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1629.76ms. Allocated memory is still 167.8MB. Free memory was 90.0MB in the beginning and 107.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 107.1MB in the end (delta: 867.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 32.8; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 5.5; [L25] float var_1_4 = 128.75; [L26] float var_1_5 = 4.5; [L27] float var_1_6 = 9.25; [L28] float var_1_7 = 3.75; [L29] float var_1_8 = 127.6; [L30] float var_1_9 = 256.5; [L31] float var_1_10 = 49.5; [L32] unsigned short int var_1_11 = 8; [L33] unsigned char var_1_12 = 0; [L34] unsigned short int var_1_13 = 256; [L35] unsigned char var_1_14 = 64; [L36] signed long int var_1_15 = -8; [L37] unsigned char var_1_16 = 10; [L38] float last_1_var_1_1 = 32.8; [L39] unsigned char last_1_var_1_14 = 64; VAL [isInitial=0, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_2=10227/40, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L108] isInitial = 1 [L109] FCALL initially() [L110] int k_loop; [L111] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_2=10227/40, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L111] COND TRUE k_loop < 1 [L112] CALL updateLastVariables() [L100] last_1_var_1_1 = var_1_1 [L101] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_2=10227/40, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_float() [L68] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L68] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L69] var_1_3 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L70] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L71] var_1_4 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L72] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L73] var_1_5 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L74] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L75] var_1_6 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L76] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L77] var_1_7 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L78] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L79] var_1_8 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L80] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L81] var_1_9 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L82] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L84] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L87] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L87] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L90] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L90] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L91] var_1_15 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L92] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L93] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L93] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L94] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L94] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_1=164/5] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_1=164/5] [L97] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L97] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L113] RET updateVariables() [L114] CALL step() [L43] COND FALSE !(! ((var_1_4 - var_1_10) < last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L48] signed long int stepLocal_0 = var_1_13 / var_1_15; VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, stepLocal_0=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L49] COND FALSE !(stepLocal_0 <= (-8 + var_1_11)) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L56] COND FALSE !(var_1_2 <= var_1_3) [L63] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L114] RET step() [L115] CALL, EXPR property() [L104-L105] return (((var_1_2 <= var_1_3) ? ((var_1_3 < ((var_1_4 - var_1_5) + 1.395f)) ? (var_1_1 == ((float) var_1_6)) : (var_1_1 == ((float) (((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))) + (var_1_9 - var_1_10))))) : (var_1_1 == ((float) var_1_7))) && ((! ((var_1_4 - var_1_10) < last_1_var_1_1)) ? (var_1_12 ? (var_1_11 == ((unsigned short int) last_1_var_1_14)) : 1) : 1)) && (((var_1_13 / var_1_15) <= (-8 + var_1_11)) ? ((! (64 < var_1_11)) ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_16))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 79 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, 79 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 265 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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 13:18:24,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.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 bdbdb0a57f8e7955fa347b2650d76001482f700f8541e178ab37930e0988af8a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 13:18:26,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 13:18:26,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 13:18:26,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 13:18:26,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 13:18:26,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 13:18:26,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 13:18:26,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 13:18:26,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 13:18:26,740 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 13:18:26,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 13:18:26,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 13:18:26,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 13:18:26,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 13:18:26,742 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 13:18:26,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 13:18:26,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 13:18:26,743 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 13:18:26,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 13:18:26,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 13:18:26,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 13:18:26,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 13:18:26,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 13:18:26,744 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 13:18:26,744 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 13:18:26,744 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 13:18:26,744 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 13:18:26,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 13:18:26,744 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 13:18:26,744 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 13:18:26,744 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 13:18:26,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:18:26,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:18:26,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:18:26,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:18:26,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 13:18:26,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:18:26,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:18:26,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:18:26,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:18:26,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 13:18:26,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 13:18:26,746 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 13:18:26,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 13:18:26,747 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 13:18:26,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 13:18:26,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 13:18:26,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 13:18:26,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 13:18:26,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 13:18:26,747 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 -> bdbdb0a57f8e7955fa347b2650d76001482f700f8541e178ab37930e0988af8a [2025-01-09 13:18:27,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 13:18:27,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 13:18:27,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 13:18:27,077 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 13:18:27,077 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 13:18:27,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i [2025-01-09 13:18:28,462 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17b17dabd/a0b390db59c442fab8e4cef9518156b7/FLAGdd021b7a2 [2025-01-09 13:18:28,722 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 13:18:28,723 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i [2025-01-09 13:18:28,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17b17dabd/a0b390db59c442fab8e4cef9518156b7/FLAGdd021b7a2 [2025-01-09 13:18:29,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17b17dabd/a0b390db59c442fab8e4cef9518156b7 [2025-01-09 13:18:29,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 13:18:29,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 13:18:29,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 13:18:29,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 13:18:29,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 13:18:29,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e188628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29, skipping insertion in model container [2025-01-09 13:18:29,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 13:18:29,172 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i[915,928] [2025-01-09 13:18:29,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:18:29,235 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 13:18:29,243 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-48.i[915,928] [2025-01-09 13:18:29,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:18:29,290 INFO L204 MainTranslator]: Completed translation [2025-01-09 13:18:29,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29 WrapperNode [2025-01-09 13:18:29,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 13:18:29,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 13:18:29,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 13:18:29,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 13:18:29,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,355 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2025-01-09 13:18:29,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 13:18:29,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 13:18:29,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 13:18:29,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 13:18:29,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,392 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 13:18:29,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,406 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 13:18:29,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 13:18:29,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 13:18:29,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 13:18:29,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (1/1) ... [2025-01-09 13:18:29,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:18:29,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:18:29,477 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 13:18:29,486 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 13:18:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 13:18:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 13:18:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 13:18:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 13:18:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 13:18:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 13:18:29,576 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 13:18:29,578 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 13:18:33,714 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-09 13:18:33,715 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 13:18:33,724 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 13:18:33,724 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 13:18:33,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:18:33 BoogieIcfgContainer [2025-01-09 13:18:33,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 13:18:33,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 13:18:33,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 13:18:33,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 13:18:33,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:18:29" (1/3) ... [2025-01-09 13:18:33,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a2ac17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:18:33, skipping insertion in model container [2025-01-09 13:18:33,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:29" (2/3) ... [2025-01-09 13:18:33,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a2ac17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:18:33, skipping insertion in model container [2025-01-09 13:18:33,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:18:33" (3/3) ... [2025-01-09 13:18:33,733 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-48.i [2025-01-09 13:18:33,745 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 13:18:33,747 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-48.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 13:18:33,788 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 13:18:33,798 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;@f1d23c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 13:18:33,799 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 13:18:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 13:18:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 13:18:33,812 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:18:33,813 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:18:33,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:18:33,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:18:33,817 INFO L85 PathProgramCache]: Analyzing trace with hash 116943168, now seen corresponding path program 1 times [2025-01-09 13:18:33,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 13:18:33,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047059372] [2025-01-09 13:18:33,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:18:33,827 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 13:18:33,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 13:18:33,830 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 13:18:33,832 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 13:18:33,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 13:18:34,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 13:18:34,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:34,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:18:34,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 13:18:34,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 13:18:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2025-01-09 13:18:34,213 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 13:18:34,213 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 13:18:34,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047059372] [2025-01-09 13:18:34,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047059372] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 13:18:34,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 13:18:34,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 13:18:34,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271312774] [2025-01-09 13:18:34,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 13:18:34,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 13:18:34,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 13:18:34,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 13:18:34,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 13:18:34,234 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 13:18:34,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 13:18:34,282 INFO L93 Difference]: Finished difference Result 109 states and 177 transitions. [2025-01-09 13:18:34,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 13:18:34,284 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2025-01-09 13:18:34,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 13:18:34,287 INFO L225 Difference]: With dead ends: 109 [2025-01-09 13:18:34,288 INFO L226 Difference]: Without dead ends: 53 [2025-01-09 13:18:34,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 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 13:18:34,292 INFO L435 NwaCegarLoop]: 79 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, 79 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 13:18:34,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 13:18:34,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-01-09 13:18:34,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-01-09 13:18:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 13:18:34,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2025-01-09 13:18:34,333 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 116 [2025-01-09 13:18:34,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 13:18:34,334 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2025-01-09 13:18:34,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 13:18:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2025-01-09 13:18:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 13:18:34,336 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:18:34,337 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:18:34,352 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 13:18:34,538 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 13:18:34,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:18:34,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:18:34,539 INFO L85 PathProgramCache]: Analyzing trace with hash -460041132, now seen corresponding path program 1 times [2025-01-09 13:18:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 13:18:34,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229500382] [2025-01-09 13:18:34,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:18:34,540 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 13:18:34,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 13:18:34,542 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 13:18:34,543 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 13:18:34,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 13:18:34,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 13:18:34,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:34,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:18:34,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-09 13:18:34,943 INFO L279 TraceCheckSpWp]: Computing forward predicates...