./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-48.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19044d04f5d29bc0e023ff07562dabdd7e4e4454670557ac2919985198246885 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:35:54,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:35:54,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 14:35:54,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:35:54,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:35:54,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:35:54,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:35:54,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:35:54,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:35:54,149 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:35:54,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:35:54,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:35:54,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:35:54,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:35:54,150 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:35:54,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:35:54,151 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:35:54,152 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:35:54,152 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:35:54,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:35:54,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:35:54,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:35:54,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:35:54,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:35:54,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:35:54,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:35:54,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:35:54,154 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 -> 19044d04f5d29bc0e023ff07562dabdd7e4e4454670557ac2919985198246885 [2025-01-09 14:35:54,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:35:54,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:35:54,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:35:54,386 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:35:54,386 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:35:54,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-48.i [2025-01-09 14:35:55,591 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70c761f89/739de3988746432582016fb3c0fac18d/FLAG27fae7ff3 [2025-01-09 14:35:55,779 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:35:55,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-48.i [2025-01-09 14:35:55,806 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70c761f89/739de3988746432582016fb3c0fac18d/FLAG27fae7ff3 [2025-01-09 14:35:55,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/70c761f89/739de3988746432582016fb3c0fac18d [2025-01-09 14:35:55,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:35:55,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:35:55,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:35:55,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:35:55,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:35:55,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:35:55" (1/1) ... [2025-01-09 14:35:55,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d912b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:55, skipping insertion in model container [2025-01-09 14:35:55,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:35:55" (1/1) ... [2025-01-09 14:35:55,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:35:55,939 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-48.i[915,928] [2025-01-09 14:35:55,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:35:55,983 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:35:55,992 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-48.i[915,928] [2025-01-09 14:35:56,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:35:56,026 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:35:56,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56 WrapperNode [2025-01-09 14:35:56,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:35:56,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:35:56,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:35:56,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:35:56,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,067 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2025-01-09 14:35:56,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:35:56,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:35:56,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:35:56,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:35:56,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,076 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,087 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 14:35:56,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,091 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:35:56,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:35:56,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:35:56,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:35:56,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (1/1) ... [2025-01-09 14:35:56,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:35:56,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:35:56,122 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 14:35:56,124 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 14:35:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:35:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:35:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:35:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 14:35:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:35:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:35:56,195 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:35:56,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:35:56,341 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 14:35:56,341 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:35:56,347 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:35:56,347 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:35:56,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:35:56 BoogieIcfgContainer [2025-01-09 14:35:56,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:35:56,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:35:56,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:35:56,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:35:56,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:35:55" (1/3) ... [2025-01-09 14:35:56,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c449ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:35:56, skipping insertion in model container [2025-01-09 14:35:56,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:35:56" (2/3) ... [2025-01-09 14:35:56,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c449ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:35:56, skipping insertion in model container [2025-01-09 14:35:56,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:35:56" (3/3) ... [2025-01-09 14:35:56,354 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-48.i [2025-01-09 14:35:56,363 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:35:56,364 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-48.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:35:56,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:35:56,402 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;@6b272e1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:35:56,402 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:35:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 14:35:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 14:35:56,410 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:35:56,411 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:35:56,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:35:56,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:35:56,414 INFO L85 PathProgramCache]: Analyzing trace with hash 116943168, now seen corresponding path program 1 times [2025-01-09 14:35:56,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:35:56,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634481546] [2025-01-09 14:35:56,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:35:56,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:35:56,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 14:35:56,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 14:35:56,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:35:56,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:35:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 14:35:56,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 14:35:56,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634481546] [2025-01-09 14:35:56,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634481546] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 14:35:56,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612134389] [2025-01-09 14:35:56,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:35:56,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:35:56,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:35:56,575 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 14:35:56,576 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 14:35:56,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 14:35:56,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 14:35:56,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:35:56,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:35:56,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:35:56,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:35:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 14:35:56,731 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:35:56,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612134389] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:35:56,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 14:35:56,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 14:35:56,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591898475] [2025-01-09 14:35:56,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:35:56,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:35:56,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 14:35:56,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:35:56,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:35:56,752 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 14:35:56,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:35:56,769 INFO L93 Difference]: Finished difference Result 106 states and 175 transitions. [2025-01-09 14:35:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:35:56,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2025-01-09 14:35:56,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:35:56,774 INFO L225 Difference]: With dead ends: 106 [2025-01-09 14:35:56,774 INFO L226 Difference]: Without dead ends: 53 [2025-01-09 14:35:56,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:35:56,777 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:35:56,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:35:56,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-01-09 14:35:56,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-01-09 14:35:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 14:35:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2025-01-09 14:35:56,807 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 116 [2025-01-09 14:35:56,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:35:56,808 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2025-01-09 14:35:56,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 14:35:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2025-01-09 14:35:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 14:35:56,811 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:35:56,811 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:35:56,819 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 14:35:57,012 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 14:35:57,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:35:57,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:35:57,013 INFO L85 PathProgramCache]: Analyzing trace with hash -460041132, now seen corresponding path program 1 times [2025-01-09 14:35:57,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 14:35:57,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873610593] [2025-01-09 14:35:57,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:35:57,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 14:35:57,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 14:35:57,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 14:35:57,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:35:57,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 14:35:57,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204029783] [2025-01-09 14:35:57,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:35:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:35:57,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:35:57,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 14:35:57,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 14:35:57,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 14:35:57,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 14:35:57,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:35:57,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:35:57,238 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 14:35:57,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 14:35:57,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 14:35:57,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:35:57,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 14:35:57,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 14:35:57,321 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 14:35:57,322 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 14:35:57,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 14:35:57,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 14:35:57,526 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 14:35:57,594 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 14:35:57,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:35:57 BoogieIcfgContainer [2025-01-09 14:35:57,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 14:35:57,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 14:35:57,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 14:35:57,604 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 14:35:57,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:35:56" (3/4) ... [2025-01-09 14:35:57,606 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 14:35:57,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 14:35:57,607 INFO L158 Benchmark]: Toolchain (without parser) took 1783.52ms. Allocated memory is still 201.3MB. Free memory was 159.1MB in the beginning and 59.1MB in the end (delta: 100.0MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2025-01-09 14:35:57,608 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:35:57,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.26ms. Allocated memory is still 201.3MB. Free memory was 159.1MB in the beginning and 146.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:35:57,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.90ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 144.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 14:35:57,608 INFO L158 Benchmark]: Boogie Preprocessor took 30.51ms. Allocated memory is still 201.3MB. Free memory was 144.5MB in the beginning and 142.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:35:57,608 INFO L158 Benchmark]: RCFGBuilder took 248.89ms. Allocated memory is still 201.3MB. Free memory was 141.8MB in the beginning and 127.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 14:35:57,608 INFO L158 Benchmark]: TraceAbstraction took 1251.35ms. Allocated memory is still 201.3MB. Free memory was 126.2MB in the beginning and 59.1MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-01-09 14:35:57,609 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 201.3MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 14:35:57,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.26ms. Allocated memory is still 201.3MB. Free memory was 159.1MB in the beginning and 146.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.90ms. Allocated memory is still 201.3MB. Free memory was 146.4MB in the beginning and 144.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.51ms. Allocated memory is still 201.3MB. Free memory was 144.5MB in the beginning and 142.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.89ms. Allocated memory is still 201.3MB. Free memory was 141.8MB in the beginning and 127.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1251.35ms. Allocated memory is still 201.3MB. Free memory was 126.2MB in the beginning and 59.1MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 201.3MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 32.8; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 5.5; [L25] float var_1_4 = 128.75; [L26] float var_1_5 = 4.5; [L27] float var_1_6 = 9.25; [L28] float var_1_7 = 3.75; [L29] float var_1_8 = 127.6; [L30] float var_1_9 = 256.5; [L31] float var_1_10 = 49.5; [L32] unsigned short int var_1_11 = 8; [L33] unsigned char var_1_12 = 0; [L34] unsigned short int var_1_13 = 256; [L35] unsigned char var_1_14 = 64; [L36] signed long int var_1_15 = -8; [L37] unsigned char var_1_16 = 10; [L38] float last_1_var_1_1 = 32.8; [L39] unsigned char last_1_var_1_14 = 64; VAL [isInitial=0, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_2=10227/40, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L108] isInitial = 1 [L109] FCALL initially() [L111] CALL updateLastVariables() [L100] last_1_var_1_1 = var_1_1 [L101] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_2=10227/40, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L111] RET updateLastVariables() [L112] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_float() [L68] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L68] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L69] var_1_3 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L70] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L71] var_1_4 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L72] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L73] var_1_5 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L74] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L75] var_1_6 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L76] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L77] var_1_7 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L78] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L79] var_1_8 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L80] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L81] var_1_9 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L82] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L84] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L87] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L87] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L90] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L90] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L91] var_1_15 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L92] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L93] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L93] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L94] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L94] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L97] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L97] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L112] RET updateVariables() [L113] CALL step() [L43] COND FALSE !(! ((var_1_4 - var_1_10) < last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L48] signed long int stepLocal_0 = var_1_13 / var_1_15; VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, stepLocal_0=1, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L49] COND FALSE !(stepLocal_0 <= (-8 + var_1_11)) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L56] COND FALSE !(var_1_2 <= var_1_3) [L63] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((var_1_2 <= var_1_3) ? ((var_1_3 < ((var_1_4 - var_1_5) + 1.395f)) ? (var_1_1 == ((float) var_1_6)) : (var_1_1 == ((float) (((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))) + (var_1_9 - var_1_10))))) : (var_1_1 == ((float) var_1_7))) && ((! ((var_1_4 - var_1_10) < last_1_var_1_1)) ? (var_1_12 ? (var_1_11 == ((unsigned short int) last_1_var_1_14)) : 1) : 1)) && (((var_1_13 / var_1_15) <= (-8 + var_1_11)) ? ((! (64 < var_1_11)) ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_16))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 76 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 14:35:57,623 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-48.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19044d04f5d29bc0e023ff07562dabdd7e4e4454670557ac2919985198246885 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 14:35:59,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 14:35:59,681 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 14:35:59,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 14:35:59,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 14:35:59,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 14:35:59,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 14:35:59,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 14:35:59,734 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 14:35:59,734 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 14:35:59,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 14:35:59,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 14:35:59,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 14:35:59,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 14:35:59,735 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 14:35:59,736 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:35:59,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 14:35:59,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:35:59,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 14:35:59,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 14:35:59,737 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 -> 19044d04f5d29bc0e023ff07562dabdd7e4e4454670557ac2919985198246885 [2025-01-09 14:35:59,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 14:36:00,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 14:36:00,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 14:36:00,007 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 14:36:00,007 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 14:36:00,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-48.i [2025-01-09 14:36:01,143 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61635b6d6/08d2d5c28bd142f490e17242d92f577c/FLAGe9c2e1fbc [2025-01-09 14:36:01,402 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 14:36:01,402 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-48.i [2025-01-09 14:36:01,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61635b6d6/08d2d5c28bd142f490e17242d92f577c/FLAGe9c2e1fbc [2025-01-09 14:36:01,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61635b6d6/08d2d5c28bd142f490e17242d92f577c [2025-01-09 14:36:01,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 14:36:01,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 14:36:01,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 14:36:01,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 14:36:01,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 14:36:01,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6064ac02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01, skipping insertion in model container [2025-01-09 14:36:01,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 14:36:01,844 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-48.i[915,928] [2025-01-09 14:36:01,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:36:01,891 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 14:36:01,904 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-48.i[915,928] [2025-01-09 14:36:01,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 14:36:01,931 INFO L204 MainTranslator]: Completed translation [2025-01-09 14:36:01,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01 WrapperNode [2025-01-09 14:36:01,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 14:36:01,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 14:36:01,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 14:36:01,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 14:36:01,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,963 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2025-01-09 14:36:01,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 14:36:01,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 14:36:01,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 14:36:01,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 14:36:01,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,983 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 14:36:01,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,989 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:01,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 14:36:01,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 14:36:01,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 14:36:01,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 14:36:01,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (1/1) ... [2025-01-09 14:36:02,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 14:36:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 14:36:02,027 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 14:36:02,030 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 14:36:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 14:36:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 14:36:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 14:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 14:36:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 14:36:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 14:36:02,103 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 14:36:02,104 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 14:36:04,445 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 14:36:04,446 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 14:36:04,456 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 14:36:04,460 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 14:36:04,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:36:04 BoogieIcfgContainer [2025-01-09 14:36:04,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 14:36:04,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 14:36:04,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 14:36:04,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 14:36:04,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:36:01" (1/3) ... [2025-01-09 14:36:04,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abe214b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:36:04, skipping insertion in model container [2025-01-09 14:36:04,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:36:01" (2/3) ... [2025-01-09 14:36:04,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abe214b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:36:04, skipping insertion in model container [2025-01-09 14:36:04,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:36:04" (3/3) ... [2025-01-09 14:36:04,467 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-48.i [2025-01-09 14:36:04,477 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 14:36:04,478 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-48.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 14:36:04,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 14:36:04,517 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;@78dbab01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 14:36:04,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 14:36:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 14:36:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 14:36:04,526 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:36:04,526 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:36:04,526 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:36:04,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:36:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash 116943168, now seen corresponding path program 1 times [2025-01-09 14:36:04,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:36:04,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251234519] [2025-01-09 14:36:04,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:36:04,537 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 14:36:04,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:36:04,539 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 14:36:04,541 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 14:36:04,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 14:36:04,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 14:36:04,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:36:04,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:36:04,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 14:36:04,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 14:36:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2025-01-09 14:36:04,853 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 14:36:04,853 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 14:36:04,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251234519] [2025-01-09 14:36:04,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251234519] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 14:36:04,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 14:36:04,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 14:36:04,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354894739] [2025-01-09 14:36:04,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 14:36:04,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 14:36:04,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 14:36:04,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 14:36:04,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:36:04,872 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 14:36:04,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 14:36:04,886 INFO L93 Difference]: Finished difference Result 106 states and 175 transitions. [2025-01-09 14:36:04,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 14:36:04,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2025-01-09 14:36:04,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 14:36:04,891 INFO L225 Difference]: With dead ends: 106 [2025-01-09 14:36:04,892 INFO L226 Difference]: Without dead ends: 53 [2025-01-09 14:36:04,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 14:36:04,895 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 14:36:04,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 14:36:04,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-01-09 14:36:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-01-09 14:36:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 14:36:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2025-01-09 14:36:04,920 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 116 [2025-01-09 14:36:04,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 14:36:04,921 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2025-01-09 14:36:04,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 14:36:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2025-01-09 14:36:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-09 14:36:04,923 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 14:36:04,923 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 14:36:04,934 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 14:36:05,123 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 14:36:05,124 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 14:36:05,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 14:36:05,125 INFO L85 PathProgramCache]: Analyzing trace with hash -460041132, now seen corresponding path program 1 times [2025-01-09 14:36:05,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 14:36:05,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10184421] [2025-01-09 14:36:05,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 14:36:05,125 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 14:36:05,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 14:36:05,127 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 14:36:05,129 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 14:36:05,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 14:36:05,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 14:36:05,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 14:36:05,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 14:36:05,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-09 14:36:05,467 INFO L279 TraceCheckSpWp]: Computing forward predicates...