./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.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_floatingpointinfluence_has-floats_file-77.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 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:34:47,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:34:47,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:34:47,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:34:47,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:34:47,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:34:47,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:34:47,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:34:47,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:34:47,820 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:34:47,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:34:47,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:34:47,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:34:47,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:34:47,821 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:34:47,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:34:47,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:34:47,821 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:34:47,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:34:47,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:34:47,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:34:47,822 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:47,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:47,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:47,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:34:47,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:34:47,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:34:47,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:34:47,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:34:47,824 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:34:47,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:34:47,824 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 -> 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a [2025-01-09 12:34:48,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:34:48,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:34:48,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:34:48,097 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:34:48,097 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:34:48,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2025-01-09 12:34:49,284 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db27a3268/75ed2298d7a84a06bd9d4375168c2bae/FLAG9f44ce5dc [2025-01-09 12:34:49,568 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:34:49,568 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2025-01-09 12:34:49,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db27a3268/75ed2298d7a84a06bd9d4375168c2bae/FLAG9f44ce5dc [2025-01-09 12:34:49,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db27a3268/75ed2298d7a84a06bd9d4375168c2bae [2025-01-09 12:34:49,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:34:49,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:34:49,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:49,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:34:49,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:34:49,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329919ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49, skipping insertion in model container [2025-01-09 12:34:49,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:34:49,734 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_floatingpointinfluence_has-floats_file-77.i[917,930] [2025-01-09 12:34:49,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:49,789 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:34:49,799 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_floatingpointinfluence_has-floats_file-77.i[917,930] [2025-01-09 12:34:49,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:49,837 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:34:49,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49 WrapperNode [2025-01-09 12:34:49,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:49,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:49,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:34:49,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:34:49,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,875 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-01-09 12:34:49,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:49,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:34:49,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:34:49,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:34:49,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,885 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,895 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 12:34:49,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,903 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:34:49,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:34:49,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:34:49,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:34:49,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (1/1) ... [2025-01-09 12:34:49,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:49,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:49,936 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 12:34:49,938 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 12:34:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:34:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:34:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:34:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:34:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:34:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:34:50,012 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:34:50,014 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:34:50,184 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:34:50,184 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:34:50,190 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:34:50,191 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:34:50,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:50 BoogieIcfgContainer [2025-01-09 12:34:50,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:34:50,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:34:50,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:34:50,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:34:50,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:34:49" (1/3) ... [2025-01-09 12:34:50,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497fc746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:50, skipping insertion in model container [2025-01-09 12:34:50,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:49" (2/3) ... [2025-01-09 12:34:50,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497fc746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:34:50, skipping insertion in model container [2025-01-09 12:34:50,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:50" (3/3) ... [2025-01-09 12:34:50,197 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-77.i [2025-01-09 12:34:50,207 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:34:50,208 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-77.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:34:50,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:34:50,264 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;@669b9bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:34:50,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:34:50,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 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 12:34:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 12:34:50,274 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:50,275 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:50,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:50,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:50,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1486820798, now seen corresponding path program 1 times [2025-01-09 12:34:50,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:34:50,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118768756] [2025-01-09 12:34:50,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:50,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:34:50,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 12:34:50,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 12:34:50,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:50,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:50,492 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 12:34:50,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:34:50,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118768756] [2025-01-09 12:34:50,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118768756] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:34:50,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498794687] [2025-01-09 12:34:50,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:50,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:34:50,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:50,501 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 12:34:50,502 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 12:34:50,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 12:34:50,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 12:34:50,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:50,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:34:50,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:34:50,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:34:50,668 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 12:34:50,668 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:34:50,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498794687] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:34:50,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:34:50,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:34:50,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842016113] [2025-01-09 12:34:50,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:34:50,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:34:50,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:34:50,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:34:50,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:34:50,690 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 12:34:50,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:34:50,711 INFO L93 Difference]: Finished difference Result 102 states and 171 transitions. [2025-01-09 12:34:50,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:34:50,713 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 115 [2025-01-09 12:34:50,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:34:50,717 INFO L225 Difference]: With dead ends: 102 [2025-01-09 12:34:50,717 INFO L226 Difference]: Without dead ends: 51 [2025-01-09 12:34:50,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 12:34:50,724 INFO L435 NwaCegarLoop]: 74 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, 74 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 12:34:50,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:34:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-01-09 12:34:50,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-01-09 12:34:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 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 12:34:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2025-01-09 12:34:50,764 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2025-01-09 12:34:50,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:34:50,764 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2025-01-09 12:34:50,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 12:34:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2025-01-09 12:34:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 12:34:50,767 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:34:50,767 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:34:50,774 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 12:34:50,968 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 12:34:50,968 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:34:50,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:34:50,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1301682554, now seen corresponding path program 1 times [2025-01-09 12:34:50,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:34:50,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616579828] [2025-01-09 12:34:50,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:50,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:34:50,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 12:34:51,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 12:34:51,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:51,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 12:34:51,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391365454] [2025-01-09 12:34:51,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:34:51,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:34:51,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:51,061 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 12:34:51,063 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 12:34:51,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 12:34:51,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 12:34:51,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:51,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:34:51,181 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:34:51,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 12:34:51,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 12:34:51,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:34:51,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:34:51,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:34:51,260 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:34:51,261 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:34:51,269 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 12:34:51,462 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 12:34:51,465 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 12:34:51,535 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:34:51,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:34:51 BoogieIcfgContainer [2025-01-09 12:34:51,539 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:34:51,542 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:34:51,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:34:51,542 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:34:51,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:34:50" (3/4) ... [2025-01-09 12:34:51,544 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:34:51,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:34:51,545 INFO L158 Benchmark]: Toolchain (without parser) took 1938.83ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 99.8MB in the end (delta: 23.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2025-01-09 12:34:51,545 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:51,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.16ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 109.5MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:34:51,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.86ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 106.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:51,546 INFO L158 Benchmark]: Boogie Preprocessor took 33.61ms. Allocated memory is still 167.8MB. Free memory was 106.5MB in the beginning and 103.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:51,546 INFO L158 Benchmark]: RCFGBuilder took 280.93ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 85.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:34:51,546 INFO L158 Benchmark]: TraceAbstraction took 1346.32ms. Allocated memory is still 167.8MB. Free memory was 85.6MB in the beginning and 100.8MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:51,546 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 99.8MB in the end (delta: 960.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:34:51,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.16ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 109.5MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.86ms. Allocated memory is still 167.8MB. Free memory was 109.5MB in the beginning and 106.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.61ms. Allocated memory is still 167.8MB. Free memory was 106.5MB in the beginning and 103.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.93ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 85.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1346.32ms. Allocated memory is still 167.8MB. Free memory was 85.6MB in the beginning and 100.8MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 99.8MB in the end (delta: 960.5kB). 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 62, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someUnaryFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] float var_1_12 = 0.0; [L32] signed short int var_1_13 = -8; [L33] double var_1_15 = 1000000000.375; [L34] unsigned short int var_1_16 = 4; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; VAL [isInitial=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L104] isInitial = 1 [L105] FCALL initially() [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L70] var_1_5 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L73] var_1_6 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L74] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L76] var_1_7 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5, var_1_9=99/2] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5, var_1_9=99/2] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L83] var_1_11 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L86] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L88] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L89] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L89] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L90] var_1_17 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L91] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L92] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L92] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L93] var_1_18 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L94] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L95] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L95] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=319/5] [L108] RET updateVariables() [L109] CALL step() [L40] COND TRUE var_1_7 > var_1_5 [L41] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=2, var_1_9=0] [L45] unsigned short int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=16383, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=2, var_1_9=0] [L46] COND FALSE !(stepLocal_0 <= var_1_5) [L51] var_1_13 = var_1_7 VAL [isInitial=1, var_1_13=8192, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=2, var_1_9=0] [L53] COND FALSE !(var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) [L60] var_1_16 = var_1_6 VAL [isInitial=1, var_1_13=8192, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=2, var_1_9=0] [L62] COND TRUE var_1_8 != var_1_8 [L63] var_1_1 = (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))) VAL [isInitial=1, var_1_13=8192, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=24576, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=2, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_8 != var_1_8) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)))))) && ((var_1_6 <= var_1_5) ? ((((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) ? (var_1_13 == ((signed short int) var_1_7)) : 1) : (var_1_13 == ((signed short int) var_1_7)))) && ((var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) ? ((var_1_17 || var_1_18) ? (var_1_16 == ((unsigned short int) var_1_4)) : (var_1_16 == ((unsigned short int) var_1_7))) : (var_1_16 == ((unsigned short int) var_1_6))) ; VAL [\result=0, isInitial=1, var_1_13=8192, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=24576, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=2, var_1_9=0] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_13=8192, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=24576, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_13=8192, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=24576, var_1_4=32767, var_1_5=8191, var_1_6=16383, var_1_7=8192, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 74 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, 74 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 258 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 12:34:51,569 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_floatingpointinfluence_has-floats_file-77.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 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:34:53,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:34:53,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:34:53,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:34:53,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:34:53,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:34:53,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:34:53,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:34:53,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:34:53,718 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:34:53,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:34:53,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:34:53,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:34:53,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:34:53,719 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:34:53,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:34:53,720 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:53,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:53,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:53,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:34:53,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:34:53,721 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 -> 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a [2025-01-09 12:34:53,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:34:54,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:34:54,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:34:54,003 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:34:54,003 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:34:54,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2025-01-09 12:34:55,160 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00c13d443/2ecfcff7f03847628ede4f19208740e5/FLAG80f50ba7c [2025-01-09 12:34:55,432 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:34:55,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2025-01-09 12:34:55,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00c13d443/2ecfcff7f03847628ede4f19208740e5/FLAG80f50ba7c [2025-01-09 12:34:55,731 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/00c13d443/2ecfcff7f03847628ede4f19208740e5 [2025-01-09 12:34:55,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:34:55,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:34:55,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:55,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:34:55,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:34:55,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:55,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625c5318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55, skipping insertion in model container [2025-01-09 12:34:55,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:55,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:34:55,846 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i[917,930] [2025-01-09 12:34:55,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:55,902 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:34:55,913 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_floatingpointinfluence_has-floats_file-77.i[917,930] [2025-01-09 12:34:55,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:34:55,939 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:34:55,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55 WrapperNode [2025-01-09 12:34:55,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:34:55,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:55,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:34:55,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:34:55,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:55,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:55,970 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-01-09 12:34:55,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:34:55,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:34:55,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:34:55,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:34:55,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:55,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:55,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,004 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 12:34:56,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:34:56,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:34:56,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:34:56,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:34:56,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (1/1) ... [2025-01-09 12:34:56,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:34:56,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:34:56,053 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 12:34:56,054 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 12:34:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:34:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:34:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:34:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:34:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:34:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:34:56,116 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:34:56,118 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:35:09,388 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:35:09,388 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:35:09,394 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:35:09,395 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:35:09,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:35:09 BoogieIcfgContainer [2025-01-09 12:35:09,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:35:09,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:35:09,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:35:09,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:35:09,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:34:55" (1/3) ... [2025-01-09 12:35:09,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171ac67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:35:09, skipping insertion in model container [2025-01-09 12:35:09,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:34:55" (2/3) ... [2025-01-09 12:35:09,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171ac67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:35:09, skipping insertion in model container [2025-01-09 12:35:09,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:35:09" (3/3) ... [2025-01-09 12:35:09,402 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-77.i [2025-01-09 12:35:09,412 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:35:09,413 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-77.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:35:09,454 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:35:09,462 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;@46cc683c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:35:09,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:35:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 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 12:35:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 12:35:09,472 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:35:09,473 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:35:09,473 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:35:09,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:35:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1486820798, now seen corresponding path program 1 times [2025-01-09 12:35:09,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:35:09,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665910957] [2025-01-09 12:35:09,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:35:09,485 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 12:35:09,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:35:09,488 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 12:35:09,490 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 12:35:09,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 12:35:10,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 12:35:10,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:35:10,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:35:10,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:35:10,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:35:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-01-09 12:35:10,419 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:35:10,420 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:35:10,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665910957] [2025-01-09 12:35:10,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1665910957] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:35:10,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:35:10,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:35:10,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946811719] [2025-01-09 12:35:10,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:35:10,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:35:10,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:35:10,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:35:10,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:35:10,443 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 12:35:10,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:35:10,463 INFO L93 Difference]: Finished difference Result 102 states and 171 transitions. [2025-01-09 12:35:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:35:10,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (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 115 [2025-01-09 12:35:10,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:35:10,468 INFO L225 Difference]: With dead ends: 102 [2025-01-09 12:35:10,469 INFO L226 Difference]: Without dead ends: 51 [2025-01-09 12:35:10,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 12:35:10,473 INFO L435 NwaCegarLoop]: 74 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, 74 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 12:35:10,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:35:10,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-01-09 12:35:10,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-01-09 12:35:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 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 12:35:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2025-01-09 12:35:10,498 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2025-01-09 12:35:10,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:35:10,498 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2025-01-09 12:35:10,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (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 12:35:10,499 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2025-01-09 12:35:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 12:35:10,500 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:35:10,500 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:35:10,542 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 12:35:10,701 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 12:35:10,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:35:10,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:35:10,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1301682554, now seen corresponding path program 1 times [2025-01-09 12:35:10,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:35:10,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153281426] [2025-01-09 12:35:10,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:35:10,703 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 12:35:10,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:35:10,707 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 12:35:10,708 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 12:35:10,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 12:35:11,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 12:35:11,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:35:11,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:35:11,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 12:35:11,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:35:22,271 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 321 proven. 27 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-09 12:35:22,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 12:35:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2025-01-09 12:35:25,932 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:35:25,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153281426] [2025-01-09 12:35:25,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153281426] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 12:35:25,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 12:35:25,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-01-09 12:35:25,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808901469] [2025-01-09 12:35:25,934 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 12:35:25,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 12:35:25,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:35:25,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 12:35:25,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-01-09 12:35:25,938 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 12:35:38,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 12:35:42,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 12:35:46,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 12:35:51,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 12:35:55,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 12:35:59,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 12:36:03,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 12:36:07,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 12:36:11,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 12:36:15,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 12:36:20,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 12:36:24,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-01-09 12:36:28,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 12:36:32,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []