./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.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_operatoramount_amount10_file-17.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 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:15:41,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:15:41,301 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 14:15:41,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:15:41,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:15:41,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:15:41,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:15:41,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:15:41,318 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:15:41,318 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:15:41,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:15:41,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:15:41,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:15:41,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:15:41,318 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:15:41,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:15:41,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:15:41,319 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:15:41,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 14:15:41,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:15:41,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:15:41,321 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:15:41,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:41,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:41,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:15:41,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:15:41,322 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 -> 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c [2025-01-09 14:15:41,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:15:41,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:15:41,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:15:41,554 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:15:41,554 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:15:41,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2025-01-09 14:15:42,733 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f3d2e2eca/ae5244ed071c4083b240ebb14b0ca423/FLAG9fdba25ce [2025-01-09 14:15:43,015 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:15:43,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2025-01-09 14:15:43,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f3d2e2eca/ae5244ed071c4083b240ebb14b0ca423/FLAG9fdba25ce [2025-01-09 14:15:43,317 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f3d2e2eca/ae5244ed071c4083b240ebb14b0ca423 [2025-01-09 14:15:43,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:15:43,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:15:43,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:15:43,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:15:43,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:15:43,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c16eb50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43, skipping insertion in model container [2025-01-09 14:15:43,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:15:43,421 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_operatoramount_amount10_file-17.i[915,928] [2025-01-09 14:15:43,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:15:43,446 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:15:43,452 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_operatoramount_amount10_file-17.i[915,928] [2025-01-09 14:15:43,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:15:43,470 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:15:43,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43 WrapperNode [2025-01-09 14:15:43,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:15:43,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:15:43,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:15:43,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:15:43,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,498 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2025-01-09 14:15:43,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:15:43,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:15:43,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:15:43,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:15:43,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,513 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 14:15:43,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,515 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:15:43,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:15:43,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:15:43,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:15:43,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (1/1) ... [2025-01-09 14:15:43,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:43,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:15:43,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 14:15:43,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 14:15:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:15:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:15:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:15:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 14:15:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:15:43,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:15:43,628 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:15:43,629 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:15:43,771 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 14:15:43,771 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:15:43,777 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:15:43,777 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:15:43,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:15:43 BoogieIcfgContainer [2025-01-09 14:15:43,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:15:43,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:15:43,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:15:43,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:15:43,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:15:43" (1/3) ... [2025-01-09 14:15:43,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33adeaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:15:43, skipping insertion in model container [2025-01-09 14:15:43,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:43" (2/3) ... [2025-01-09 14:15:43,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33adeaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:15:43, skipping insertion in model container [2025-01-09 14:15:43,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:15:43" (3/3) ... [2025-01-09 14:15:43,785 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-17.i [2025-01-09 14:15:43,794 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:15:43,796 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-17.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:15:43,835 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:15:43,844 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;@4a56ded1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:15:43,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:15:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 14:15:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-09 14:15:43,854 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:15:43,854 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:15:43,855 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:15:43,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:15:43,858 INFO L85 PathProgramCache]: Analyzing trace with hash 288366196, now seen corresponding path program 1 times [2025-01-09 14:15:43,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:15:43,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817674205] [2025-01-09 14:15:43,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:43,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:15:43,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 14:15:44,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 14:15:44,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:44,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 14:15:44,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1042808045] [2025-01-09 14:15:44,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:44,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:15:44,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:15:44,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 14:15:44,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 14:15:44,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 14:15:44,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 14:15:44,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:44,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:15:44,108 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 14:15:44,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 14:15:44,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 14:15:44,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:44,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:15:44,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 14:15:44,172 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 14:15:44,173 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:15:44,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 14:15:44,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 14:15:44,382 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 14:15:44,422 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:15:44,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:15:44 BoogieIcfgContainer [2025-01-09 14:15:44,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:15:44,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:15:44,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:15:44,425 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:15:44,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:15:43" (3/4) ... [2025-01-09 14:15:44,427 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 14:15:44,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:15:44,429 INFO L158 Benchmark]: Toolchain (without parser) took 1109.31ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 62.9MB in the end (delta: 60.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-09 14:15:44,429 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:15:44,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.92ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 111.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:15:44,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.78ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 109.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:15:44,430 INFO L158 Benchmark]: Boogie Preprocessor took 29.94ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 108.1MB in the end (delta: 951.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:15:44,430 INFO L158 Benchmark]: RCFGBuilder took 248.17ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 94.2MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:15:44,430 INFO L158 Benchmark]: TraceAbstraction took 645.20ms. Allocated memory is still 167.8MB. Free memory was 93.2MB in the beginning and 62.9MB in the end (delta: 30.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 14:15:44,430 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 167.8MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:15:44,432 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.92ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 111.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.78ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 109.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.94ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 108.1MB in the end (delta: 951.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.17ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 94.2MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 645.20ms. Allocated memory is still 167.8MB. Free memory was 93.2MB in the beginning and 62.9MB in the end (delta: 30.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 167.8MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.6; [L23] signed char var_1_2 = 5; [L24] signed char var_1_3 = -25; [L25] signed long int var_1_4 = -8; [L26] unsigned char var_1_5 = 1; [L27] signed long int var_1_6 = 256; [L28] unsigned char var_1_7 = 0; [L29] float var_1_8 = 4.6; VAL [isInitial=0, var_1_1=18/5, var_1_2=5, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L79] isInitial = 1 [L80] FCALL initially() [L82] FCALL updateLastVariables() [L83] CALL updateVariables() [L50] var_1_2 = __VERIFIER_nondet_char() [L51] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L51] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L52] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L52] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=-25, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L53] var_1_3 = __VERIFIER_nondet_char() [L54] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L54] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L55] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L55] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L56] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L56] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-8, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L57] var_1_4 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L58] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L59] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L59] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L60] var_1_5 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L61] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L62] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L62] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=256, var_1_7=0, var_1_8=23/5] [L63] var_1_6 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=0, var_1_8=23/5] [L64] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=0, var_1_8=23/5] [L65] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=0, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=0, var_1_8=23/5] [L65] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=0, var_1_8=23/5] [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_8=23/5] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_8=23/5] [L68] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=23/5] [L68] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=23/5] [L69] var_1_8 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1] [L70] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=18/5, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1] [L83] RET updateVariables() [L84] CALL step() [L33] COND FALSE !((var_1_2 / var_1_3) < var_1_4) [L46] var_1_1 = var_1_8 VAL [isInitial=1, var_1_1=2, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=2] [L84] RET step() [L85] CALL, EXPR property() [L75-L76] return ((var_1_2 / var_1_3) < var_1_4) ? (var_1_5 ? ((var_1_4 <= ((((var_1_3) < ((var_1_2 * var_1_6))) ? (var_1_3) : ((var_1_2 * var_1_6))))) ? (var_1_7 ? (var_1_1 == ((float) var_1_8)) : (var_1_1 == ((float) var_1_8))) : (var_1_1 == ((float) var_1_8))) : 1) : (var_1_1 == ((float) var_1_8)) ; VAL [\result=0, isInitial=1, var_1_1=2, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=2] [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=2] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=-1, var_1_3=1, var_1_4=-1, var_1_5=1, var_1_6=2, var_1_7=1, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 14:15:44,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.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 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:15:46,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:15:46,537 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 14:15:46,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:15:46,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:15:46,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:15:46,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:15:46,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:15:46,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:15:46,556 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:15:46,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:15:46,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:15:46,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:15:46,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:15:46,557 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:15:46,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:15:46,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:15:46,557 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:15:46,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:15:46,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:15:46,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:15:46,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:15:46,558 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:15:46,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:46,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:46,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:15:46,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:15:46,560 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 14:15:46,560 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 14:15:46,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:15:46,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:15:46,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:15:46,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:15:46,560 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 -> 21420ec07872ebdf13b6707327ac11dfce6dd5da26c087213f4c675ac808eb5c [2025-01-09 14:15:46,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:15:46,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:15:46,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:15:46,813 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:15:46,813 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:15:46,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2025-01-09 14:15:48,045 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/118c2077a/bfa76ccaa7814088a00f2b78372ebc2b/FLAG495ade1e6 [2025-01-09 14:15:48,257 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:15:48,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2025-01-09 14:15:48,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/118c2077a/bfa76ccaa7814088a00f2b78372ebc2b/FLAG495ade1e6 [2025-01-09 14:15:48,279 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/118c2077a/bfa76ccaa7814088a00f2b78372ebc2b [2025-01-09 14:15:48,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:15:48,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:15:48,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:15:48,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:15:48,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:15:48,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c582b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48, skipping insertion in model container [2025-01-09 14:15:48,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:15:48,402 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_operatoramount_amount10_file-17.i[915,928] [2025-01-09 14:15:48,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:15:48,449 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:15:48,458 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_operatoramount_amount10_file-17.i[915,928] [2025-01-09 14:15:48,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:15:48,486 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:15:48,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48 WrapperNode [2025-01-09 14:15:48,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:15:48,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:15:48,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:15:48,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:15:48,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,517 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2025-01-09 14:15:48,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:15:48,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:15:48,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:15:48,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:15:48,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,543 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 14:15:48,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,552 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:15:48,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:15:48,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:15:48,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:15:48,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (1/1) ... [2025-01-09 14:15:48,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:15:48,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:15:48,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 14:15:48,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 14:15:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:15:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 14:15:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:15:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:15:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:15:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:15:48,679 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:15:48,680 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:15:48,918 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 14:15:48,919 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:15:48,926 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:15:48,927 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:15:48,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:15:48 BoogieIcfgContainer [2025-01-09 14:15:48,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:15:48,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:15:48,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:15:48,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:15:48,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:15:48" (1/3) ... [2025-01-09 14:15:48,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bf93ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:15:48, skipping insertion in model container [2025-01-09 14:15:48,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:15:48" (2/3) ... [2025-01-09 14:15:48,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bf93ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:15:48, skipping insertion in model container [2025-01-09 14:15:48,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:15:48" (3/3) ... [2025-01-09 14:15:48,936 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-17.i [2025-01-09 14:15:48,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:15:48,948 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-17.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:15:48,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:15:48,988 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;@2e2db120, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:15:48,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:15:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 14:15:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-09 14:15:48,997 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:15:48,997 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:15:48,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:15:49,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:15:49,001 INFO L85 PathProgramCache]: Analyzing trace with hash 288366196, now seen corresponding path program 1 times [2025-01-09 14:15:49,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:15:49,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591125246] [2025-01-09 14:15:49,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:49,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 14:15:49,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:15:49,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 14:15:49,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 14:15:49,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 14:15:49,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 14:15:49,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:49,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:15:49,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 14:15:49,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:15:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-01-09 14:15:49,993 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:15:49,994 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:15:49,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591125246] [2025-01-09 14:15:49,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591125246] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:15:49,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:15:49,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 14:15:49,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909299556] [2025-01-09 14:15:49,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:15:49,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 14:15:49,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:15:50,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 14:15:50,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-09 14:15:50,011 INFO L87 Difference]: Start difference. First operand has 43 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 14:15:51,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:15:51,740 INFO L93 Difference]: Finished difference Result 92 states and 148 transitions. [2025-01-09 14:15:51,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-09 14:15:51,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 87 [2025-01-09 14:15:51,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:15:51,752 INFO L225 Difference]: With dead ends: 92 [2025-01-09 14:15:51,753 INFO L226 Difference]: Without dead ends: 52 [2025-01-09 14:15:51,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2025-01-09 14:15:51,756 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 52 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:15:51,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 162 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 14:15:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-01-09 14:15:51,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2025-01-09 14:15:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 14:15:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2025-01-09 14:15:51,787 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 87 [2025-01-09 14:15:51,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:15:51,789 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2025-01-09 14:15:51,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 8 states have internal predecessors, (23), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 14:15:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2025-01-09 14:15:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-01-09 14:15:51,793 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:15:51,793 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:15:51,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 14:15:51,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 14:15:51,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:15:51,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:15:51,994 INFO L85 PathProgramCache]: Analyzing trace with hash -227845604, now seen corresponding path program 1 times [2025-01-09 14:15:51,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:15:51,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583372637] [2025-01-09 14:15:51,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:51,995 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 14:15:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:15:51,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 14:15:51,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 14:15:52,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-01-09 14:15:52,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-01-09 14:15:52,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:52,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:15:52,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 14:15:52,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:15:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-09 14:15:52,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:15:52,415 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:15:52,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583372637] [2025-01-09 14:15:52,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583372637] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:15:52,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:15:52,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 14:15:52,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387210187] [2025-01-09 14:15:52,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:15:52,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 14:15:52,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:15:52,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 14:15:52,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 14:15:52,417 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 14:15:52,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:15:52,928 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2025-01-09 14:15:52,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 14:15:52,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 88 [2025-01-09 14:15:52,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:15:52,934 INFO L225 Difference]: With dead ends: 58 [2025-01-09 14:15:52,934 INFO L226 Difference]: Without dead ends: 56 [2025-01-09 14:15:52,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-09 14:15:52,935 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 22 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 14:15:52,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 210 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 14:15:52,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-01-09 14:15:52,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2025-01-09 14:15:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 14:15:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2025-01-09 14:15:52,941 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 88 [2025-01-09 14:15:52,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:15:52,941 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2025-01-09 14:15:52,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 14:15:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2025-01-09 14:15:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-01-09 14:15:52,942 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:15:52,943 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:15:52,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-01-09 14:15:53,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 14:15:53,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:15:53,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:15:53,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1118462123, now seen corresponding path program 1 times [2025-01-09 14:15:53,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:15:53,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749369144] [2025-01-09 14:15:53,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:15:53,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 14:15:53,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:15:53,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 14:15:53,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-01-09 14:15:53,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-09 14:15:53,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-09 14:15:53,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:15:53,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:15:53,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-09 14:15:53,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:15:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-01-09 14:15:54,439 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:15:54,440 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:15:54,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749369144] [2025-01-09 14:15:54,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749369144] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:15:54,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:15:54,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 14:15:54,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948138212] [2025-01-09 14:15:54,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:15:54,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-09 14:15:54,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:15:54,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-09 14:15:54,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-01-09 14:15:54,441 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 14:15:57,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:15:57,311 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2025-01-09 14:15:57,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-09 14:15:57,318 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 89 [2025-01-09 14:15:57,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:15:57,320 INFO L225 Difference]: With dead ends: 58 [2025-01-09 14:15:57,320 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 14:15:57,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2025-01-09 14:15:57,321 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 56 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-01-09 14:15:57,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 190 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-01-09 14:15:57,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 14:15:57,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 14:15:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 14:15:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 14:15:57,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2025-01-09 14:15:57,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:15:57,321 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 14:15:57,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 14:15:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 14:15:57,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 14:15:57,324 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:15:57,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-01-09 14:15:57,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 14:15:57,531 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 14:15:57,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 14:15:58,190 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:15:58,197 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 14:15:58,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 14:15:58,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 14:15:58,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 14:15:58,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 14:15:58,198 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 14:15:58,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:15:58 BoogieIcfgContainer [2025-01-09 14:15:58,199 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:15:58,199 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:15:58,200 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:15:58,200 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:15:58,200 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:15:48" (3/4) ... [2025-01-09 14:15:58,202 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 14:15:58,206 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 14:15:58,208 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-01-09 14:15:58,208 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 14:15:58,208 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 14:15:58,209 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 14:15:58,270 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 14:15:58,271 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 14:15:58,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:15:58,271 INFO L158 Benchmark]: Toolchain (without parser) took 9988.79ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 86.7MB in the end (delta: 6.3MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2025-01-09 14:15:58,272 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:15:58,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.40ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:15:58,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.08ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:15:58,273 INFO L158 Benchmark]: Boogie Preprocessor took 49.84ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:15:58,273 INFO L158 Benchmark]: RCFGBuilder took 356.95ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 64.7MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:15:58,273 INFO L158 Benchmark]: TraceAbstraction took 9269.55ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 34.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2025-01-09 14:15:58,273 INFO L158 Benchmark]: Witness Printer took 71.41ms. Allocated memory is still 117.4MB. Free memory was 34.7MB in the beginning and 86.7MB in the end (delta: -52.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2025-01-09 14:15:58,275 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.40ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.08ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.84ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.95ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 64.7MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9269.55ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 34.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Witness Printer took 71.41ms. Allocated memory is still 117.4MB. Free memory was 34.7MB in the beginning and 86.7MB in the end (delta: -52.0MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 562 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 427 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 463 IncrementalHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 135 mSDtfsCounter, 463 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=1, InterpolantAutomatonStates: 32, 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, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 876 SizeOfPredicates, 20 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1092/1092 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 14:15:58,296 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 Writing output log to file Ultimate.log Result: TRUE