./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.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 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:43:50,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:43:50,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:43:50,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:43:50,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:43:50,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:43:50,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:43:50,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:43:50,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:43:50,084 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:43:50,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:43:50,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:43:50,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:43:50,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:43:50,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:43:50,086 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:43:50,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:43:50,086 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:43:50,086 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:43:50,086 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:43:50,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:50,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:50,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:50,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:50,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:50,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:43:50,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:43:50,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:43:50,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:43:50,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:43:50,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:43:50,088 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 -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2025-01-09 12:43:50,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:43:50,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:43:50,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:43:50,314 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:43:50,314 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:43:50,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2025-01-09 12:43:51,446 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/159d5159f/624390d2f4a24bbb979748d39ca3fc7d/FLAG1b4905171 [2025-01-09 12:43:51,681 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:43:51,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2025-01-09 12:43:51,707 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/159d5159f/624390d2f4a24bbb979748d39ca3fc7d/FLAG1b4905171 [2025-01-09 12:43:52,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/159d5159f/624390d2f4a24bbb979748d39ca3fc7d [2025-01-09 12:43:52,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:43:52,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:43:52,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:43:52,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:43:52,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:43:52,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436c86d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52, skipping insertion in model container [2025-01-09 12:43:52,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:43:52,121 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2025-01-09 12:43:52,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:43:52,149 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:43:52,155 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2025-01-09 12:43:52,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:43:52,180 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:43:52,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52 WrapperNode [2025-01-09 12:43:52,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:43:52,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:43:52,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:43:52,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:43:52,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,208 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2025-01-09 12:43:52,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:43:52,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:43:52,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:43:52,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:43:52,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,226 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 12:43:52,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,229 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:43:52,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:43:52,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:43:52,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:43:52,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (1/1) ... [2025-01-09 12:43:52,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:52,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:43:52,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:43:52,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:43:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:43:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:43:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:43:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:43:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:43:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:43:52,348 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:43:52,350 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:43:52,588 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:43:52,588 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:43:52,600 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:43:52,600 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:43:52,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:52 BoogieIcfgContainer [2025-01-09 12:43:52,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:43:52,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:43:52,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:43:52,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:43:52,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:43:52" (1/3) ... [2025-01-09 12:43:52,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34949076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:43:52, skipping insertion in model container [2025-01-09 12:43:52,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:52" (2/3) ... [2025-01-09 12:43:52,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34949076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:43:52, skipping insertion in model container [2025-01-09 12:43:52,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:52" (3/3) ... [2025-01-09 12:43:52,610 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2025-01-09 12:43:52,620 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:43:52,621 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-60.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:43:52,663 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:43:52,671 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;@7bd66d00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:43:52,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:43:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 12:43:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-01-09 12:43:52,682 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:43:52,683 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:43:52,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:43:52,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:43:52,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1050417697, now seen corresponding path program 1 times [2025-01-09 12:43:52,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:43:52,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277961658] [2025-01-09 12:43:52,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:43:52,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:43:52,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-09 12:43:52,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-09 12:43:52,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:52,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:43:52,878 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:43:52,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-09 12:43:52,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-09 12:43:52,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:52,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:43:52,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:43:52,979 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:43:52,980 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:43:52,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 12:43:52,984 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 12:43:53,058 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:43:53,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:43:53 BoogieIcfgContainer [2025-01-09 12:43:53,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:43:53,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:43:53,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:43:53,061 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:43:53,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:52" (3/4) ... [2025-01-09 12:43:53,063 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:43:53,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:43:53,065 INFO L158 Benchmark]: Toolchain (without parser) took 1049.99ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 35.4MB in the end (delta: 69.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-01-09 12:43:53,065 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:43:53,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.72ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:43:53,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.01ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 90.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:43:53,066 INFO L158 Benchmark]: Boogie Preprocessor took 25.37ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 89.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:43:53,066 INFO L158 Benchmark]: RCFGBuilder took 366.45ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 73.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:43:53,067 INFO L158 Benchmark]: TraceAbstraction took 457.84ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 35.4MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 12:43:53,067 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 142.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:43:53,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.72ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.01ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 90.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.37ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 89.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.45ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 73.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 457.84ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 35.4MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 142.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 106, overapproximation of to_int at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 9999; [L23] signed long int var_1_2 = 64; [L24] signed long int var_1_3 = 31; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] signed long int var_1_10 = 64; [L32] signed long int var_1_11 = 32; [L33] signed long int var_1_12 = 10; [L34] signed long int var_1_13 = 4; [L35] signed long int var_1_14 = 999; [L36] signed long int var_1_15 = 2; [L37] signed long int var_1_16 = 8; [L38] signed long int last_1_var_1_16 = 8; VAL [isInitial=0, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=64, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L110] isInitial = 1 [L111] FCALL initially() [L113] CALL updateLastVariables() [L103] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=64, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L113] RET updateLastVariables() [L114] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L71] var_1_3 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L86] var_1_10 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L88] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L88] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L89] var_1_11 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L91] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L91] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L92] var_1_12 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L93] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L94] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L94] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L95] var_1_13 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L96] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L97] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L97] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L98] var_1_14 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L99] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L100] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L100] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L43] COND FALSE !((- var_1_5) >= var_1_6) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L52] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_16=8, stepLocal_0=-255, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=5, var_1_8=1, var_1_9=-255] [L53] COND TRUE var_1_8 && stepLocal_0 [L54] var_1_7 = ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L56] var_1_15 = 500.25 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_16=8, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L57] COND FALSE !(var_1_2 > last_1_var_1_16) [L64] var_1_16 = var_1_12 VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((signed long int) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((signed long int) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((signed long int) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((signed long int) var_1_12))) ; VAL [\result=0, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=0, var_1_13=8, var_1_14=0, var_1_15=10000, var_1_16=0, var_1_1=1, var_1_2=1, var_1_3=0, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=1, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 12:43:53,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.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 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:43:54,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:43:54,911 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:43:54,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:43:54,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:43:54,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:43:54,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:43:54,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:43:54,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:43:54,943 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:43:54,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:43:54,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:43:54,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:43:54,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:43:54,947 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:43:54,947 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:43:54,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:43:54,947 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:43:54,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:43:54,947 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:43:54,947 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:43:54,948 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:43:54,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:54,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:54,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:54,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:54,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:43:54,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:54,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:54,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:54,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:54,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:43:54,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:43:54,949 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:43:54,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:43:54,949 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:43:54,949 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:43:54,950 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:43:54,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:43:54,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:43:54,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:43:54,950 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 -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2025-01-09 12:43:55,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:43:55,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:43:55,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:43:55,163 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:43:55,163 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:43:55,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2025-01-09 12:43:56,315 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b0400c16/a984b6bef39448a39c76d31a4684a38d/FLAG56054e089 [2025-01-09 12:43:56,493 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:43:56,494 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2025-01-09 12:43:56,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b0400c16/a984b6bef39448a39c76d31a4684a38d/FLAG56054e089 [2025-01-09 12:43:56,519 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b0400c16/a984b6bef39448a39c76d31a4684a38d [2025-01-09 12:43:56,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:43:56,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:43:56,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:43:56,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:43:56,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:43:56,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382d8fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56, skipping insertion in model container [2025-01-09 12:43:56,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:43:56,632 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2025-01-09 12:43:56,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:43:56,669 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:43:56,677 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2025-01-09 12:43:56,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:43:56,698 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:43:56,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56 WrapperNode [2025-01-09 12:43:56,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:43:56,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:43:56,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:43:56,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:43:56,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,724 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2025-01-09 12:43:56,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:43:56,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:43:56,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:43:56,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:43:56,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,743 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 12:43:56,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,748 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:43:56,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:43:56,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:43:56,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:43:56,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (1/1) ... [2025-01-09 12:43:56,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:56,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:43:56,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:43:56,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:43:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:43:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:43:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:43:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:43:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:43:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:43:56,866 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:43:56,867 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:43:57,063 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:43:57,064 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:43:57,072 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:43:57,073 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:43:57,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:57 BoogieIcfgContainer [2025-01-09 12:43:57,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:43:57,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:43:57,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:43:57,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:43:57,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:43:56" (1/3) ... [2025-01-09 12:43:57,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b41641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:43:57, skipping insertion in model container [2025-01-09 12:43:57,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:56" (2/3) ... [2025-01-09 12:43:57,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b41641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:43:57, skipping insertion in model container [2025-01-09 12:43:57,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:57" (3/3) ... [2025-01-09 12:43:57,083 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2025-01-09 12:43:57,093 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:43:57,094 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-60.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:43:57,143 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:43:57,153 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;@70443170, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:43:57,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:43:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 12:43:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-01-09 12:43:57,182 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:43:57,183 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:43:57,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:43:57,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:43:57,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1050417697, now seen corresponding path program 1 times [2025-01-09 12:43:57,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:43:57,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28462858] [2025-01-09 12:43:57,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:43:57,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:43:57,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:43:57,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:43:57,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 12:43:57,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-09 12:43:57,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-09 12:43:57,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:57,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:43:57,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 12:43:57,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:44:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-09 12:44:09,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:44:09,033 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:44:09,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28462858] [2025-01-09 12:44:09,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28462858] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:44:09,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:44:09,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-09 12:44:09,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448329401] [2025-01-09 12:44:09,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:44:09,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 12:44:09,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:44:09,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 12:44:09,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-01-09 12:44:09,055 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-01-09 12:44:09,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:44:09,697 INFO L93 Difference]: Finished difference Result 147 states and 244 transitions. [2025-01-09 12:44:09,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 12:44:09,701 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2025-01-09 12:44:09,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:44:09,707 INFO L225 Difference]: With dead ends: 147 [2025-01-09 12:44:09,707 INFO L226 Difference]: Without dead ends: 90 [2025-01-09 12:44:09,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2025-01-09 12:44:09,714 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 57 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 12:44:09,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 446 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 12:44:09,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2025-01-09 12:44:09,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 64. [2025-01-09 12:44:09,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-09 12:44:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2025-01-09 12:44:09,752 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 135 [2025-01-09 12:44:09,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:44:09,754 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2025-01-09 12:44:09,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-01-09 12:44:09,754 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2025-01-09 12:44:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-01-09 12:44:09,758 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:44:09,759 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:44:09,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 12:44:09,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:44:09,960 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:44:09,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:44:09,961 INFO L85 PathProgramCache]: Analyzing trace with hash 724589665, now seen corresponding path program 1 times [2025-01-09 12:44:09,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:44:09,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606847081] [2025-01-09 12:44:09,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:44:09,961 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:44:09,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:44:09,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:44:09,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 12:44:10,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-09 12:44:10,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-09 12:44:10,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:10,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:44:10,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-09 12:44:10,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:44:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2025-01-09 12:44:31,748 INFO L312 TraceCheckSpWp]: Computing backward predicates...