./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.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_amount25_file-63.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 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:37:50,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:37:50,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 14:37:50,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:37:50,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:37:50,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:37:50,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:37:50,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:37:50,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:37:50,838 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:37:50,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:37:50,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:37:50,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:37:50,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:37:50,840 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:37:50,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:37:50,841 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:37:50,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:37:50,842 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:37:50,842 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:37:50,842 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:37:50,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:37:50,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:37:50,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:37:50,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:37:50,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:37:50,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:37:50,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:37:50,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:37:50,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:37:50,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:37:50,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:37:50,844 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 -> 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 [2025-01-09 14:37:51,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:37:51,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:37:51,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:37:51,120 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:37:51,120 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:37:51,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2025-01-09 14:37:52,380 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/05e6b1470/9269fc5fbad545889885eb43bf00e550/FLAGc066d06fc [2025-01-09 14:37:52,625 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:37:52,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2025-01-09 14:37:52,632 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/05e6b1470/9269fc5fbad545889885eb43bf00e550/FLAGc066d06fc [2025-01-09 14:37:52,643 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/05e6b1470/9269fc5fbad545889885eb43bf00e550 [2025-01-09 14:37:52,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:37:52,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:37:52,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:37:52,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:37:52,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:37:52,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:52,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec176d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52, skipping insertion in model container [2025-01-09 14:37:52,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:52,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:37:52,814 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_amount25_file-63.i[915,928] [2025-01-09 14:37:52,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:37:52,875 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:37:52,886 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_amount25_file-63.i[915,928] [2025-01-09 14:37:52,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:37:52,934 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:37:52,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52 WrapperNode [2025-01-09 14:37:52,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:37:52,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:37:52,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:37:52,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:37:52,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:52,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:52,984 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2025-01-09 14:37:52,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:37:52,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:37:52,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:37:52,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:37:52,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:52,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:52,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,018 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 14:37:53,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,025 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:37:53,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:37:53,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:37:53,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:37:53,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (1/1) ... [2025-01-09 14:37:53,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:37:53,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:37:53,070 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 14:37:53,073 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 14:37:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:37:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:37:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:37:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 14:37:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:37:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:37:53,158 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:37:53,160 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:37:53,416 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 14:37:53,417 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:37:53,425 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:37:53,425 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:37:53,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:53 BoogieIcfgContainer [2025-01-09 14:37:53,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:37:53,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:37:53,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:37:53,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:37:53,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:37:52" (1/3) ... [2025-01-09 14:37:53,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202d5e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:53, skipping insertion in model container [2025-01-09 14:37:53,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:52" (2/3) ... [2025-01-09 14:37:53,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202d5e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:53, skipping insertion in model container [2025-01-09 14:37:53,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:53" (3/3) ... [2025-01-09 14:37:53,435 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-63.i [2025-01-09 14:37:53,444 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:37:53,446 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-63.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:37:53,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:37:53,498 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;@edc8e3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:37:53,500 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:37:53,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 14:37:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 14:37:53,513 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:37:53,513 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:37:53,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:37:53,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:37:53,519 INFO L85 PathProgramCache]: Analyzing trace with hash 143396294, now seen corresponding path program 1 times [2025-01-09 14:37:53,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:37:53,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093223871] [2025-01-09 14:37:53,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:37:53,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:37:53,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 14:37:53,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 14:37:53,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:37:53,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:37:53,752 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 14:37:53,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 14:37:53,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 14:37:53,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:37:53,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:37:53,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 14:37:53,900 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 14:37:53,900 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:37:53,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 14:37:53,906 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 14:37:53,979 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:37:53,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:37:53 BoogieIcfgContainer [2025-01-09 14:37:53,982 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:37:53,983 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:37:53,983 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:37:53,983 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:37:53,983 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:53" (3/4) ... [2025-01-09 14:37:53,985 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 14:37:53,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:37:53,987 INFO L158 Benchmark]: Toolchain (without parser) took 1340.83ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 56.3MB in the end (delta: 66.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-01-09 14:37:53,987 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 201.3MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:37:53,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.83ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 109.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:37:53,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.61ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 107.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:37:53,988 INFO L158 Benchmark]: Boogie Preprocessor took 54.92ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 105.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:37:53,988 INFO L158 Benchmark]: RCFGBuilder took 384.54ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 90.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 14:37:53,989 INFO L158 Benchmark]: TraceAbstraction took 554.22ms. Allocated memory is still 167.8MB. Free memory was 89.8MB in the beginning and 56.6MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 14:37:53,989 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 167.8MB. Free memory was 56.6MB in the beginning and 56.3MB in the end (delta: 308.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:37:53,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 201.3MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.83ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 109.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.61ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 107.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.92ms. Allocated memory is still 167.8MB. Free memory was 107.8MB in the beginning and 105.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.54ms. Allocated memory is still 167.8MB. Free memory was 105.5MB in the beginning and 90.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 554.22ms. Allocated memory is still 167.8MB. Free memory was 89.8MB in the beginning and 56.6MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 167.8MB. Free memory was 56.6MB in the beginning and 56.3MB in the end (delta: 308.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 8.3; [L24] float var_1_3 = 2.25; [L25] float var_1_4 = 10.3; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] signed long int var_1_7 = 128; [L29] float var_1_8 = 9.8; [L30] signed long int var_1_9 = -256; [L31] unsigned short int var_1_10 = 5; [L32] signed char var_1_11 = 8; [L33] signed long int var_1_12 = 2; [L34] unsigned short int var_1_13 = 32; [L35] unsigned short int var_1_14 = 1; [L36] unsigned short int last_1_var_1_10 = 5; VAL [isInitial=0, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L94] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L62] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L65] var_1_4 = __VERIFIER_nondet_float() [L66] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L66] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L67] var_1_5 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L69] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L69] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L70] var_1_6 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L72] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L72] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L73] var_1_8 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-256] [L74] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-256] [L75] var_1_9 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_9 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L76] RET assume_abort_if_not(var_1_9 >= -2147483647) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L77] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L77] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L78] var_1_11 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_11 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L79] RET assume_abort_if_not(var_1_11 >= -128) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L80] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L80] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L81] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L81] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L82] var_1_12 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L83] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L85] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L85] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L86] var_1_13 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L88] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L88] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L89] var_1_14 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L90] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L91] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L91] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L105] RET updateVariables() [L106] CALL step() [L40] COND TRUE var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8) [L41] var_1_7 = ((((-200) > (last_1_var_1_10)) ? (-200) : (last_1_var_1_10))) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L45] COND FALSE !(var_1_8 > var_1_4) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L56] COND TRUE ((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4) [L57] var_1_1 = (var_1_5 && var_1_6) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return (((((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 && var_1_6))) : 1) && ((var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)) ? (var_1_7 == ((signed long int) ((((-200) > (last_1_var_1_10)) ? (-200) : (last_1_var_1_10))))) : (var_1_7 == ((signed long int) last_1_var_1_10)))) && ((var_1_8 > var_1_4) ? ((! var_1_6) ? (((var_1_9 / ((((var_1_11) > (-64)) ? (var_1_11) : (-64)))) < (var_1_7 / var_1_12)) ? (var_1_10 == ((unsigned short int) var_1_13)) : (var_1_10 == ((unsigned short int) var_1_13))) : (var_1_10 == ((unsigned short int) var_1_14))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 20, 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=54occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 1 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 14:37:54,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.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 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:37:56,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:37:56,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 14:37:56,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:37:56,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:37:56,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:37:56,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:37:56,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:37:56,303 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:37:56,303 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:37:56,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:37:56,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:37:56,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:37:56,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:37:56,304 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:37:56,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:37:56,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:37:56,304 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:37:56,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:37:56,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:37:56,305 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:37:56,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:37:56,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:37:56,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:37:56,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:37:56,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:37:56,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:37:56,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:37:56,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:37:56,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:37:56,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:37:56,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:37:56,309 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:37:56,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:37:56,309 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 14:37:56,310 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 14:37:56,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:37:56,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:37:56,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:37:56,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:37:56,310 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 -> 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 [2025-01-09 14:37:56,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:37:56,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:37:56,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:37:56,620 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:37:56,620 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:37:56,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2025-01-09 14:37:57,938 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e05e71b48/cdcbd9fd5c2845d6a6bccee761b1f56c/FLAG23d26aa5e [2025-01-09 14:37:58,154 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:37:58,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2025-01-09 14:37:58,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e05e71b48/cdcbd9fd5c2845d6a6bccee761b1f56c/FLAG23d26aa5e [2025-01-09 14:37:58,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e05e71b48/cdcbd9fd5c2845d6a6bccee761b1f56c [2025-01-09 14:37:58,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:37:58,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:37:58,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:37:58,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:37:58,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:37:58,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88a877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58, skipping insertion in model container [2025-01-09 14:37:58,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:37:58,337 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_amount25_file-63.i[915,928] [2025-01-09 14:37:58,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:37:58,391 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:37:58,402 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_amount25_file-63.i[915,928] [2025-01-09 14:37:58,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:37:58,443 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:37:58,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58 WrapperNode [2025-01-09 14:37:58,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:37:58,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:37:58,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:37:58,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:37:58,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,491 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2025-01-09 14:37:58,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:37:58,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:37:58,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:37:58,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:37:58,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,520 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 14:37:58,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,535 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:37:58,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:37:58,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:37:58,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:37:58,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (1/1) ... [2025-01-09 14:37:58,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:37:58,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:37:58,591 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 14:37:58,595 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 14:37:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:37:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 14:37:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:37:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:37:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:37:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:37:58,700 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:37:58,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:38:00,259 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 14:38:00,259 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:38:00,268 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:38:00,269 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:38:00,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:38:00 BoogieIcfgContainer [2025-01-09 14:38:00,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:38:00,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:38:00,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:38:00,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:38:00,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:37:58" (1/3) ... [2025-01-09 14:38:00,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c41b55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:38:00, skipping insertion in model container [2025-01-09 14:38:00,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:58" (2/3) ... [2025-01-09 14:38:00,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c41b55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:38:00, skipping insertion in model container [2025-01-09 14:38:00,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:38:00" (3/3) ... [2025-01-09 14:38:00,279 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-63.i [2025-01-09 14:38:00,291 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:38:00,294 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-63.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:38:00,353 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:38:00,366 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;@763898ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:38:00,366 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:38:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-09 14:38:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 14:38:00,379 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:38:00,380 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:00,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:38:00,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:38:00,387 INFO L85 PathProgramCache]: Analyzing trace with hash 143396294, now seen corresponding path program 1 times [2025-01-09 14:38:00,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:38:00,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451829682] [2025-01-09 14:38:00,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:38:00,403 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 14:38:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:38:00,408 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 14:38:00,409 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 14:38:00,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 14:38:00,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 14:38:00,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:38:00,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:38:00,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 14:38:00,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:38:24,331 WARN L286 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-09 14:38:45,346 WARN L286 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)