./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.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_no-floats_file-0.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 2f7348383fbfe60948d51b6a2558ece637bf3e6137abb8f292fdbb0029f6276f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:37:52,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:37:53,034 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:37:53,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:37:53,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:37:53,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:37:53,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:37:53,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:37:53,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:37:53,064 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:37:53,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:37:53,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:37:53,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:37:53,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:37:53,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:37:53,067 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:37:53,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:37:53,067 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:37:53,067 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:37:53,067 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:37:53,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:37:53,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:37:53,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:37:53,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:37:53,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:37:53,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:37:53,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:37:53,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:37:53,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:37:53,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:37:53,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:37:53,069 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:37:53,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:37:53,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:37:53,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:37:53,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:37:53,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:37:53,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:37:53,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:37:53,070 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 -> 2f7348383fbfe60948d51b6a2558ece637bf3e6137abb8f292fdbb0029f6276f [2025-01-09 12:37:53,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:37:53,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:37:53,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:37:53,316 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:37:53,316 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:37:53,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i [2025-01-09 12:37:54,480 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4cc4e349a/ac30b444a4db4abe9652db415dc3266f/FLAG658ab838b [2025-01-09 12:37:54,741 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:37:54,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i [2025-01-09 12:37:54,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4cc4e349a/ac30b444a4db4abe9652db415dc3266f/FLAG658ab838b [2025-01-09 12:37:55,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4cc4e349a/ac30b444a4db4abe9652db415dc3266f [2025-01-09 12:37:55,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:37:55,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:37:55,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:37:55,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:37:55,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:37:55,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2913649e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55, skipping insertion in model container [2025-01-09 12:37:55,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:37:55,191 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_no-floats_file-0.i[915,928] [2025-01-09 12:37:55,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:37:55,230 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:37:55,238 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_no-floats_file-0.i[915,928] [2025-01-09 12:37:55,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:37:55,266 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:37:55,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55 WrapperNode [2025-01-09 12:37:55,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:37:55,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:37:55,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:37:55,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:37:55,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,295 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2025-01-09 12:37:55,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:37:55,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:37:55,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:37:55,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:37:55,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,318 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 12:37:55,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,324 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:37:55,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:37:55,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:37:55,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:37:55,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (1/1) ... [2025-01-09 12:37:55,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:37:55,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:37:55,361 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 12:37:55,365 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 12:37:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:37:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:37:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:37:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:37:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:37:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:37:55,435 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:37:55,437 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:37:55,587 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 12:37:55,587 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:37:55,593 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:37:55,593 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:37:55,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:37:55 BoogieIcfgContainer [2025-01-09 12:37:55,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:37:55,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:37:55,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:37:55,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:37:55,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:37:55" (1/3) ... [2025-01-09 12:37:55,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747aa903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:37:55, skipping insertion in model container [2025-01-09 12:37:55,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:37:55" (2/3) ... [2025-01-09 12:37:55,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747aa903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:37:55, skipping insertion in model container [2025-01-09 12:37:55,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:37:55" (3/3) ... [2025-01-09 12:37:55,600 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-0.i [2025-01-09 12:37:55,611 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:37:55,613 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-0.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:37:55,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:37:55,664 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;@2bc0a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:37:55,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:37:55,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-09 12:37:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-09 12:37:55,674 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:37:55,674 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:55,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:37:55,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:37:55,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1957477257, now seen corresponding path program 1 times [2025-01-09 12:37:55,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:37:55,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761050249] [2025-01-09 12:37:55,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:37:55,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:37:55,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:37:55,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:37:55,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:37:55,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:37:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-09 12:37:55,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:37:55,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761050249] [2025-01-09 12:37:55,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761050249] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:37:55,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772718651] [2025-01-09 12:37:55,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:37:55,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:37:55,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:37:55,834 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 12:37:55,835 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 12:37:55,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:37:55,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:37:55,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:37:55,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:37:55,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:37:55,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:37:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-09 12:37:55,934 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:37:55,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772718651] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:37:55,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:37:55,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:37:55,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746503536] [2025-01-09 12:37:55,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:37:55,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:37:55,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:37:55,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:37:55,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:37:55,957 INFO L87 Difference]: Start difference. First operand has 42 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-09 12:37:55,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:37:55,972 INFO L93 Difference]: Finished difference Result 77 states and 127 transitions. [2025-01-09 12:37:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:37:55,973 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2025-01-09 12:37:55,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:37:55,978 INFO L225 Difference]: With dead ends: 77 [2025-01-09 12:37:55,978 INFO L226 Difference]: Without dead ends: 38 [2025-01-09 12:37:55,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 69 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 12:37:55,984 INFO L435 NwaCegarLoop]: 53 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, 53 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 12:37:55,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:37:55,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-01-09 12:37:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2025-01-09 12:37:56,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-09 12:37:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2025-01-09 12:37:56,016 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 68 [2025-01-09 12:37:56,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:37:56,016 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2025-01-09 12:37:56,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-09 12:37:56,016 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2025-01-09 12:37:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-09 12:37:56,018 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:37:56,018 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:56,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 12:37:56,219 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 12:37:56,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:37:56,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:37:56,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1312668471, now seen corresponding path program 1 times [2025-01-09 12:37:56,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:37:56,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735229502] [2025-01-09 12:37:56,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:37:56,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:37:56,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:37:56,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:37:56,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:37:56,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:37:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-09 12:37:56,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:37:56,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735229502] [2025-01-09 12:37:56,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735229502] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:37:56,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:37:56,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 12:37:56,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763316183] [2025-01-09 12:37:56,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:37:56,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 12:37:56,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:37:56,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 12:37:56,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-09 12:37:56,767 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-01-09 12:37:56,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:37:56,946 INFO L93 Difference]: Finished difference Result 108 states and 150 transitions. [2025-01-09 12:37:56,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 12:37:56,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 68 [2025-01-09 12:37:56,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:37:56,948 INFO L225 Difference]: With dead ends: 108 [2025-01-09 12:37:56,948 INFO L226 Difference]: Without dead ends: 73 [2025-01-09 12:37:56,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-09 12:37:56,950 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 40 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 12:37:56,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 282 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 12:37:56,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-01-09 12:37:56,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2025-01-09 12:37:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.25) internal successors, (60), 49 states have internal predecessors, (60), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-01-09 12:37:56,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2025-01-09 12:37:56,965 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 68 [2025-01-09 12:37:56,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:37:56,965 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2025-01-09 12:37:56,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2025-01-09 12:37:56,965 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2025-01-09 12:37:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-09 12:37:56,967 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:37:56,967 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:37:56,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 12:37:56,967 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:37:56,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:37:56,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1369926773, now seen corresponding path program 1 times [2025-01-09 12:37:56,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:37:56,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40193973] [2025-01-09 12:37:56,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:37:56,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:37:56,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:37:56,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:37:56,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:37:56,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:37:56,995 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:37:56,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:37:57,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:37:57,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:37:57,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:37:57,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:37:57,037 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:37:57,038 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:37:57,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 12:37:57,042 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 12:37:57,076 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:37:57,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:37:57 BoogieIcfgContainer [2025-01-09 12:37:57,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:37:57,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:37:57,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:37:57,079 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:37:57,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:37:55" (3/4) ... [2025-01-09 12:37:57,085 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:37:57,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:37:57,086 INFO L158 Benchmark]: Toolchain (without parser) took 2027.59ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 115.4MB in the end (delta: 7.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2025-01-09 12:37:57,086 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:37:57,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.62ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 110.1MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:37:57,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.31ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:37:57,087 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 106.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:37:57,087 INFO L158 Benchmark]: RCFGBuilder took 265.26ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 91.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:37:57,087 INFO L158 Benchmark]: TraceAbstraction took 1483.26ms. Allocated memory is still 167.8MB. Free memory was 91.3MB in the beginning and 116.5MB in the end (delta: -25.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:37:57,087 INFO L158 Benchmark]: Witness Printer took 6.79ms. Allocated memory is still 167.8MB. Free memory was 116.5MB in the beginning and 115.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:37:57,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.62ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 110.1MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.31ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 106.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 265.26ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 91.9MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1483.26ms. Allocated memory is still 167.8MB. Free memory was 91.3MB in the beginning and 116.5MB in the end (delta: -25.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.79ms. Allocated memory is still 167.8MB. Free memory was 116.5MB in the beginning and 115.4MB in the end (delta: 1.1MB). 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 to_int at line 50, overapproximation of to_int at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 25; [L23] unsigned char var_1_2 = 1; [L24] signed long int var_1_3 = 128; [L25] signed long int var_1_4 = 15; [L26] signed long int var_1_5 = 5; [L27] unsigned char var_1_9 = 1; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_12 = 1; [L30] unsigned short int var_1_13 = 5; [L31] signed long int last_1_var_1_5 = 5; [L32] unsigned char last_1_var_1_10 = 100; [L33] unsigned short int last_1_var_1_13 = 5; VAL [isInitial=0, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L95] isInitial = 1 [L96] FCALL initially() [L98] CALL updateLastVariables() [L86] last_1_var_1_5 = var_1_5 [L87] last_1_var_1_10 = var_1_10 [L88] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L71] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=128, var_1_4=15, var_1_5=5, var_1_9=1] [L72] var_1_3 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L73] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L74] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=15, var_1_5=5, var_1_9=1] [L75] var_1_4 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L76] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L77] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=1] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L81] var_1_12 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L82] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L83] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L99] RET updateVariables() [L100] CALL step() [L37] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L42] COND FALSE !((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=25, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L47] COND FALSE !(! var_1_2) [L50] var_1_1 = ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3))) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=5, var_1_9=0] [L52] COND FALSE !((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) [L65] var_1_5 = var_1_3 VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_9=0] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((! var_1_2) ? (var_1_1 == ((signed long int) (var_1_3 - var_1_4))) : (var_1_1 == ((signed long int) ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3)))))) && (((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) ? (var_1_2 ? (((- var_1_13) <= var_1_10) ? (var_1_9 ? (var_1_5 == ((signed long int) var_1_4)) : 1) : (var_1_5 == ((signed long int) var_1_3))) : (var_1_5 == ((signed long int) var_1_3))) : (var_1_5 == ((signed long int) var_1_3)))) && (((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) ? ((last_1_var_1_13 > last_1_var_1_13) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (var_1_9 ? (((var_1_4 * (var_1_3 - 5.3)) <= last_1_var_1_5) ? (var_1_13 == ((unsigned short int) last_1_var_1_10)) : 1) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=-1, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_9=0] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=-1, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=5, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=-1, var_1_2=1, var_1_3=0, var_1_4=0, var_1_5=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 335 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 217 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 118 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 178 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 522/540 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 12:37:57,100 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_no-floats_file-0.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 2f7348383fbfe60948d51b6a2558ece637bf3e6137abb8f292fdbb0029f6276f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:37:59,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:37:59,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:37:59,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:37:59,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:37:59,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:37:59,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:37:59,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:37:59,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:37:59,141 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:37:59,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:37:59,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:37:59,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:37:59,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:37:59,141 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:37:59,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:37:59,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:37:59,143 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:37:59,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:37:59,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:37:59,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:37:59,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:37:59,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:37:59,145 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 -> 2f7348383fbfe60948d51b6a2558ece637bf3e6137abb8f292fdbb0029f6276f [2025-01-09 12:37:59,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:37:59,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:37:59,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:37:59,376 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:37:59,376 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:37:59,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i [2025-01-09 12:38:00,541 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9b264b4f/9ed0f98e34dc42d5b842705ed104bedc/FLAG89abea846 [2025-01-09 12:38:00,742 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:38:00,743 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-0.i [2025-01-09 12:38:00,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9b264b4f/9ed0f98e34dc42d5b842705ed104bedc/FLAG89abea846 [2025-01-09 12:38:01,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9b264b4f/9ed0f98e34dc42d5b842705ed104bedc [2025-01-09 12:38:01,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:38:01,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:38:01,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:38:01,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:38:01,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:38:01,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777fa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01, skipping insertion in model container [2025-01-09 12:38:01,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:38:01,241 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_no-floats_file-0.i[915,928] [2025-01-09 12:38:01,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:38:01,285 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:38:01,294 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_no-floats_file-0.i[915,928] [2025-01-09 12:38:01,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:38:01,314 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:38:01,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01 WrapperNode [2025-01-09 12:38:01,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:38:01,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:38:01,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:38:01,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:38:01,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,336 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2025-01-09 12:38:01,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:38:01,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:38:01,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:38:01,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:38:01,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,344 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,351 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 12:38:01,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:38:01,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:38:01,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:38:01,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:38:01,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (1/1) ... [2025-01-09 12:38:01,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:38:01,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:38:01,392 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 12:38:01,402 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 12:38:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:38:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:38:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:38:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:38:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:38:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:38:01,469 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:38:01,470 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:38:14,085 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 12:38:14,085 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:38:14,091 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:38:14,091 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:38:14,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:38:14 BoogieIcfgContainer [2025-01-09 12:38:14,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:38:14,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:38:14,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:38:14,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:38:14,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:38:01" (1/3) ... [2025-01-09 12:38:14,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9b9202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:38:14, skipping insertion in model container [2025-01-09 12:38:14,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:38:01" (2/3) ... [2025-01-09 12:38:14,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9b9202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:38:14, skipping insertion in model container [2025-01-09 12:38:14,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:38:14" (3/3) ... [2025-01-09 12:38:14,135 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-0.i [2025-01-09 12:38:14,157 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:38:14,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-0.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:38:14,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:38:14,207 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;@70817a4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:38:14,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:38:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-09 12:38:14,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-09 12:38:14,215 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:38:14,215 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:38:14,215 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:38:14,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:38:14,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1957477257, now seen corresponding path program 1 times [2025-01-09 12:38:14,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:38:14,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725381431] [2025-01-09 12:38:14,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:38:14,231 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 12:38:14,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:38:14,236 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 12:38:14,242 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 12:38:14,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:38:14,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:38:14,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:38:14,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:38:14,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:38:14,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:38:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-01-09 12:38:14,540 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:38:14,540 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:38:14,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725381431] [2025-01-09 12:38:14,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725381431] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:38:14,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:38:14,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:38:14,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206330853] [2025-01-09 12:38:14,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:38:14,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:38:14,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:38:14,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:38:14,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:38:14,557 INFO L87 Difference]: Start difference. First operand has 42 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 30 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2025-01-09 12:38:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:38:14,568 INFO L93 Difference]: Finished difference Result 77 states and 127 transitions. [2025-01-09 12:38:14,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:38:14,569 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 68 [2025-01-09 12:38:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:38:14,573 INFO L225 Difference]: With dead ends: 77 [2025-01-09 12:38:14,573 INFO L226 Difference]: Without dead ends: 38 [2025-01-09 12:38:14,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 67 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 12:38:14,576 INFO L435 NwaCegarLoop]: 53 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, 53 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 12:38:14,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:38:14,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-01-09 12:38:14,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2025-01-09 12:38:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-09 12:38:14,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2025-01-09 12:38:14,603 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 68 [2025-01-09 12:38:14,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:38:14,604 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2025-01-09 12:38:14,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2025-01-09 12:38:14,605 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2025-01-09 12:38:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-09 12:38:14,607 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:38:14,607 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:38:14,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-01-09 12:38:14,808 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 12:38:14,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:38:14,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:38:14,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1312668471, now seen corresponding path program 1 times [2025-01-09 12:38:14,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:38:14,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358278278] [2025-01-09 12:38:14,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:38:14,810 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 12:38:14,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:38:14,813 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 12:38:14,814 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 12:38:14,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:38:15,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:38:15,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:38:15,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:38:15,089 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:38:15,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:38:15,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:38:15,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:38:15,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:38:15,332 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2025-01-09 12:38:15,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1847478346] [2025-01-09 12:38:15,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:38:15,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-01-09 12:38:15,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-01-09 12:38:15,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-01-09 12:38:15,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-01-09 12:38:15,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-09 12:38:15,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-09 12:38:15,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:38:15,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:38:15,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 12:38:15,692 INFO L279 TraceCheckSpWp]: Computing forward predicates...