./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 11de8b1d34bf28c678335a47cf13777a2fdebca168e06294b055c2a549d4333e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:04:13,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:04:13,314 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 12:04:13,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:04:13,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:04:13,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:04:13,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:04:13,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:04:13,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:04:13,371 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:04:13,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:04:13,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:04:13,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:04:13,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:04:13,371 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:04:13,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:04:13,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:04:13,372 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:04:13,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:04:13,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:04:13,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:04:13,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:04:13,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:04:13,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 12:04:13,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 12:04:13,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:04:13,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:04:13,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:04:13,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:04:13,378 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/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 -> 11de8b1d34bf28c678335a47cf13777a2fdebca168e06294b055c2a549d4333e [2025-03-03 12:04:13,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:04:13,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:04:13,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:04:13,900 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:04:13,902 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:04:13,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2025-03-03 12:04:15,950 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2434d9ce3/cd45a5992a63444199c9900c8dcc5213/FLAG0447990eb [2025-03-03 12:04:16,344 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:04:16,349 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2025-03-03 12:04:16,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2434d9ce3/cd45a5992a63444199c9900c8dcc5213/FLAG0447990eb [2025-03-03 12:04:16,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2434d9ce3/cd45a5992a63444199c9900c8dcc5213 [2025-03-03 12:04:16,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:04:16,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:04:16,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:04:16,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:04:16,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:04:16,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:16,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1146a541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16, skipping insertion in model container [2025-03-03 12:04:16,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:16,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:04:16,849 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c[2576,2589] [2025-03-03 12:04:16,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:04:16,861 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 12:04:16,905 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c[2576,2589] [2025-03-03 12:04:16,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:04:16,932 INFO L204 MainTranslator]: Completed translation [2025-03-03 12:04:16,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16 WrapperNode [2025-03-03 12:04:16,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 12:04:16,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 12:04:16,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 12:04:16,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 12:04:16,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:16,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,007 INFO L138 Inliner]: procedures = 19, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 227 [2025-03-03 12:04:17,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 12:04:17,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 12:04:17,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 12:04:17,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 12:04:17,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,056 INFO L175 MemorySlicer]: Split 27 memory accesses to 11 slices as follows [2, 2, 2, 2, 2, 7, 2, 2, 2, 2, 2]. 26 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1]. [2025-03-03 12:04:17,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,085 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 12:04:17,102 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 12:04:17,103 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 12:04:17,103 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 12:04:17,107 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (1/1) ... [2025-03-03 12:04:17,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:04:17,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 12:04:17,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 12:04:17,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 12:04:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 12:04:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 12:04:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 12:04:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 12:04:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-03 12:04:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-03 12:04:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-03 12:04:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-03 12:04:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-03 12:04:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-03 12:04:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-03 12:04:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-03 12:04:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-03 12:04:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-03 12:04:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-03 12:04:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-03 12:04:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-03 12:04:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-03 12:04:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-03 12:04:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-03 12:04:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-03 12:04:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-03 12:04:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 12:04:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-03 12:04:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-03 12:04:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-03 12:04:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-03 12:04:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-03 12:04:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-03 12:04:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-03 12:04:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-03 12:04:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-03 12:04:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 12:04:17,418 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 12:04:17,420 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 12:04:17,783 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-03-03 12:04:17,783 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L58: havoc modf_float_~ix~1#1; [2025-03-03 12:04:17,783 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L55: havoc modf_float_#t~mem12#1; [2025-03-03 12:04:17,783 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L35: havoc modf_float_~ix~0#1; [2025-03-03 12:04:17,808 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2025-03-03 12:04:17,808 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 12:04:17,842 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 12:04:17,842 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 12:04:17,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:17 BoogieIcfgContainer [2025-03-03 12:04:17,843 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 12:04:17,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 12:04:17,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 12:04:17,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 12:04:17,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 12:04:16" (1/3) ... [2025-03-03 12:04:17,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e553675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:04:17, skipping insertion in model container [2025-03-03 12:04:17,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:16" (2/3) ... [2025-03-03 12:04:17,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e553675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:04:17, skipping insertion in model container [2025-03-03 12:04:17,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:17" (3/3) ... [2025-03-03 12:04:17,859 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a.c [2025-03-03 12:04:17,883 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 12:04:17,886 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1211a.c that has 1 procedures, 61 locations, 1 initial locations, 9 loop locations, and 10 error locations. [2025-03-03 12:04:17,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 12:04:17,989 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;@670bd36c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 12:04:17,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-03 12:04:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 50 states have (on average 1.96) internal successors, (98), 60 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-03 12:04:18,006 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:04:18,006 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-03 12:04:18,007 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 7 more)] === [2025-03-03 12:04:18,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:04:18,016 INFO L85 PathProgramCache]: Analyzing trace with hash 141966, now seen corresponding path program 1 times [2025-03-03 12:04:18,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 12:04:18,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312458560] [2025-03-03 12:04:18,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:04:18,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 12:04:18,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-03 12:04:18,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-03 12:04:18,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:18,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 12:04:18,192 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 12:04:18,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-03 12:04:18,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-03 12:04:18,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:18,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 12:04:18,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 12:04:18,261 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 12:04:18,266 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 10 remaining) [2025-03-03 12:04:18,268 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 10 remaining) [2025-03-03 12:04:18,268 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 10 remaining) [2025-03-03 12:04:18,269 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 10 remaining) [2025-03-03 12:04:18,269 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 10 remaining) [2025-03-03 12:04:18,269 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 10 remaining) [2025-03-03 12:04:18,270 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 10 remaining) [2025-03-03 12:04:18,270 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 10 remaining) [2025-03-03 12:04:18,271 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 10 remaining) [2025-03-03 12:04:18,271 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 10 remaining) [2025-03-03 12:04:18,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 12:04:18,279 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 12:04:18,314 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 12:04:18,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 12:04:18 BoogieIcfgContainer [2025-03-03 12:04:18,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 12:04:18,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 12:04:18,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 12:04:18,319 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 12:04:18,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:17" (3/4) ... [2025-03-03 12:04:18,321 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 12:04:18,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 12:04:18,323 INFO L158 Benchmark]: Toolchain (without parser) took 1745.34ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 61.6MB in the end (delta: 51.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-03 12:04:18,324 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:18,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.17ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 100.6MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:04:18,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.17ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:18,326 INFO L158 Benchmark]: Boogie Preprocessor took 92.34ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 96.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:04:18,328 INFO L158 Benchmark]: IcfgBuilder took 740.48ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 75.5MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 12:04:18,328 INFO L158 Benchmark]: TraceAbstraction took 473.64ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 61.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 12:04:18,328 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 142.6MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:18,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.17ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 100.6MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.17ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.34ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 96.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 740.48ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 75.5MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 473.64ms. Allocated memory is still 142.6MB. Free memory was 75.1MB in the beginning and 61.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 142.6MB. Free memory is still 61.6MB. 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: 20]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 20, overapproximation of someBinaryArithmeticFLOAToperation at line 106. Possible FailurePath: [L14] static const float one_modf = 1.0; VAL [one_modf=1] [L106] float x = 1.0f / 0.0f; [L107] float iptr = __VERIFIER_nondet_float(); [L107] float iptr = __VERIFIER_nondet_float(); [L108] CALL modf_float(x, &iptr) [L17] __int32_t i0, j0; [L18] __uint32_t i; VAL [iptr={5:0}, one_modf=1, x=54] [L20] ieee_float_shape_type gf_u; VAL [iptr={5:0}, one_modf=1, x=54] - UnprovableResult [Line: 112]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, 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=61occurred 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, 3 NumberOfCodeBlocks, 3 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 [2025-03-03 12:04:18,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 11de8b1d34bf28c678335a47cf13777a2fdebca168e06294b055c2a549d4333e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:04:21,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:04:21,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 12:04:21,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:04:21,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:04:22,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:04:22,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:04:22,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:04:22,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:04:22,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:04:22,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:04:22,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 12:04:22,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:04:22,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:04:22,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:04:22,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:04:22,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:04:22,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:04:22,028 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/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 -> 11de8b1d34bf28c678335a47cf13777a2fdebca168e06294b055c2a549d4333e [2025-03-03 12:04:22,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:04:22,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:04:22,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:04:22,682 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:04:22,683 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:04:22,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2025-03-03 12:04:23,926 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4e3df7d/ea5633a793ae4e9faecdad536dbc4797/FLAGf2738b9b8 [2025-03-03 12:04:24,112 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:04:24,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2025-03-03 12:04:24,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4e3df7d/ea5633a793ae4e9faecdad536dbc4797/FLAGf2738b9b8 [2025-03-03 12:04:24,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc4e3df7d/ea5633a793ae4e9faecdad536dbc4797 [2025-03-03 12:04:24,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:04:24,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:04:24,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:04:24,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:04:24,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:04:24,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215d844b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24, skipping insertion in model container [2025-03-03 12:04:24,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:04:24,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c[2576,2589] [2025-03-03 12:04:24,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:04:24,341 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 12:04:24,372 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c[2576,2589] [2025-03-03 12:04:24,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:04:24,391 INFO L204 MainTranslator]: Completed translation [2025-03-03 12:04:24,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24 WrapperNode [2025-03-03 12:04:24,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 12:04:24,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 12:04:24,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 12:04:24,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 12:04:24,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,427 INFO L138 Inliner]: procedures = 22, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 185 [2025-03-03 12:04:24,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 12:04:24,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 12:04:24,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 12:04:24,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 12:04:24,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,460 INFO L175 MemorySlicer]: Split 27 memory accesses to 11 slices as follows [2, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 26 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-03-03 12:04:24,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 12:04:24,498 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 12:04:24,498 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 12:04:24,498 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 12:04:24,499 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (1/1) ... [2025-03-03 12:04:24,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:04:24,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 12:04:24,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 12:04:24,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 12:04:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-03-03 12:04:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-03 12:04:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 12:04:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-03 12:04:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-03-03 12:04:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 12:04:24,685 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 12:04:24,687 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 12:04:25,207 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-03-03 12:04:25,208 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L58: havoc modf_float_~ix~1#1; [2025-03-03 12:04:25,208 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L55: havoc modf_float_#t~mem9#1; [2025-03-03 12:04:25,208 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L35: havoc modf_float_~ix~0#1; [2025-03-03 12:04:25,221 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2025-03-03 12:04:25,221 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 12:04:25,230 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 12:04:25,231 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 12:04:25,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:25 BoogieIcfgContainer [2025-03-03 12:04:25,231 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 12:04:25,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 12:04:25,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 12:04:25,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 12:04:25,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 12:04:24" (1/3) ... [2025-03-03 12:04:25,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f24eb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:04:25, skipping insertion in model container [2025-03-03 12:04:25,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:04:24" (2/3) ... [2025-03-03 12:04:25,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f24eb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:04:25, skipping insertion in model container [2025-03-03 12:04:25,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:25" (3/3) ... [2025-03-03 12:04:25,239 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a.c [2025-03-03 12:04:25,249 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 12:04:25,250 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1211a.c that has 1 procedures, 42 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-03 12:04:25,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 12:04:25,296 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;@65923b5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 12:04:25,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 12:04:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.625) internal successors, (65), 41 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-03 12:04:25,303 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:04:25,304 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:04:25,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:04:25,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:04:25,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1756242368, now seen corresponding path program 1 times [2025-03-03 12:04:25,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:04:25,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420605945] [2025-03-03 12:04:25,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:04:25,316 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 [2025-03-03 12:04:25,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:04:25,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/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) [2025-03-03 12:04:25,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-03 12:04:25,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-03 12:04:25,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-03 12:04:25,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:25,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:04:25,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 12:04:25,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:04:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:04:25,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:04:25,487 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:04:25,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420605945] [2025-03-03 12:04:25,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420605945] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:04:25,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:04:25,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 12:04:25,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482349030] [2025-03-03 12:04:25,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:04:25,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 12:04:25,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:04:25,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 12:04:25,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:04:25,508 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.625) internal successors, (65), 41 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:25,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:04:25,518 INFO L93 Difference]: Finished difference Result 82 states and 128 transitions. [2025-03-03 12:04:25,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 12:04:25,521 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-03 12:04:25,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:04:25,526 INFO L225 Difference]: With dead ends: 82 [2025-03-03 12:04:25,526 INFO L226 Difference]: Without dead ends: 39 [2025-03-03 12:04:25,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:04:25,531 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 12:04:25,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 12:04:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-03-03 12:04:25,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2025-03-03 12:04:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.131578947368421) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:25,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2025-03-03 12:04:25,575 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 15 [2025-03-03 12:04:25,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:04:25,575 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2025-03-03 12:04:25,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2025-03-03 12:04:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-03 12:04:25,576 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:04:25,576 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:04:25,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-03 12:04:25,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/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 [2025-03-03 12:04:25,777 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:04:25,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:04:25,778 INFO L85 PathProgramCache]: Analyzing trace with hash 88006111, now seen corresponding path program 1 times [2025-03-03 12:04:25,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:04:25,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11199065] [2025-03-03 12:04:25,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:04:25,778 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 [2025-03-03 12:04:25,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:04:25,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/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) [2025-03-03 12:04:25,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-03 12:04:25,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-03 12:04:25,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-03 12:04:25,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:25,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:04:25,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-03 12:04:25,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:04:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:04:26,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:04:26,096 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:04:26,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11199065] [2025-03-03 12:04:26,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11199065] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:04:26,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:04:26,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 12:04:26,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784657098] [2025-03-03 12:04:26,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:04:26,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 12:04:26,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:04:26,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 12:04:26,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 12:04:26,098 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:26,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:04:26,338 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2025-03-03 12:04:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 12:04:26,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-03-03 12:04:26,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:04:26,340 INFO L225 Difference]: With dead ends: 54 [2025-03-03 12:04:26,340 INFO L226 Difference]: Without dead ends: 26 [2025-03-03 12:04:26,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-03 12:04:26,341 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 12:04:26,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 77 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 12:04:26,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-03-03 12:04:26,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-03-03 12:04:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:26,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2025-03-03 12:04:26,345 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2025-03-03 12:04:26,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:04:26,346 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2025-03-03 12:04:26,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:26,346 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2025-03-03 12:04:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-03-03 12:04:26,346 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:04:26,346 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:04:26,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-03 12:04:26,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/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 [2025-03-03 12:04:26,547 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:04:26,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:04:26,548 INFO L85 PathProgramCache]: Analyzing trace with hash 205272603, now seen corresponding path program 1 times [2025-03-03 12:04:26,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:04:26,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422869662] [2025-03-03 12:04:26,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:04:26,548 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 [2025-03-03 12:04:26,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:04:26,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/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) [2025-03-03 12:04:26,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-03 12:04:26,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-03 12:04:26,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-03 12:04:26,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:26,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:04:26,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-03 12:04:26,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:04:26,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-03 12:04:26,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2025-03-03 12:04:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:04:27,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:04:27,132 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:04:27,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422869662] [2025-03-03 12:04:27,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422869662] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:04:27,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:04:27,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 12:04:27,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252237774] [2025-03-03 12:04:27,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:04:27,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 12:04:27,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:04:27,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 12:04:27,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-03 12:04:27,134 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:27,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:04:27,611 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2025-03-03 12:04:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-03 12:04:27,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-03-03 12:04:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:04:27,611 INFO L225 Difference]: With dead ends: 29 [2025-03-03 12:04:27,611 INFO L226 Difference]: Without dead ends: 26 [2025-03-03 12:04:27,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-03-03 12:04:27,612 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 24 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 12:04:27,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 111 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 12:04:27,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-03-03 12:04:27,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-03-03 12:04:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2025-03-03 12:04:27,619 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 19 [2025-03-03 12:04:27,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:04:27,619 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2025-03-03 12:04:27,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2025-03-03 12:04:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-03 12:04:27,619 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:04:27,619 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:04:27,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-03-03 12:04:27,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/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 [2025-03-03 12:04:27,820 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:04:27,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:04:27,821 INFO L85 PathProgramCache]: Analyzing trace with hash -302086095, now seen corresponding path program 1 times [2025-03-03 12:04:27,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:04:27,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456420834] [2025-03-03 12:04:27,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:04:27,821 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 [2025-03-03 12:04:27,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:04:27,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/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) [2025-03-03 12:04:27,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 (5)] Waiting until timeout for monitored process [2025-03-03 12:04:27,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-03 12:04:27,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-03 12:04:27,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:27,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:04:27,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-03 12:04:27,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:04:28,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-03 12:04:28,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2025-03-03 12:04:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:04:28,271 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:04:28,271 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:04:28,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456420834] [2025-03-03 12:04:28,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456420834] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:04:28,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:04:28,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 12:04:28,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675164429] [2025-03-03 12:04:28,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:04:28,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-03 12:04:28,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:04:28,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-03 12:04:28,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-03 12:04:28,272 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:28,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:04:28,646 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2025-03-03 12:04:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-03 12:04:28,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-03-03 12:04:28,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:04:28,646 INFO L225 Difference]: With dead ends: 30 [2025-03-03 12:04:28,646 INFO L226 Difference]: Without dead ends: 26 [2025-03-03 12:04:28,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-03-03 12:04:28,647 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 6 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 12:04:28,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 100 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 12:04:28,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-03-03 12:04:28,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-03-03 12:04:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2025-03-03 12:04:28,653 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 21 [2025-03-03 12:04:28,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:04:28,653 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2025-03-03 12:04:28,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2025-03-03 12:04:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-03 12:04:28,653 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:04:28,653 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:04:28,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 (5)] Ended with exit code 0 [2025-03-03 12:04:28,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/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 [2025-03-03 12:04:28,854 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:04:28,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:04:28,854 INFO L85 PathProgramCache]: Analyzing trace with hash 566218325, now seen corresponding path program 1 times [2025-03-03 12:04:28,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:04:28,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427951478] [2025-03-03 12:04:28,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:04:28,855 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 [2025-03-03 12:04:28,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:04:28,857 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/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) [2025-03-03 12:04:28,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 (6)] Waiting until timeout for monitored process [2025-03-03 12:04:28,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-03 12:04:28,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-03 12:04:28,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:04:28,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:04:29,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-03 12:04:29,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:04:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:04:29,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:04:29,567 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:04:29,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427951478] [2025-03-03 12:04:29,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427951478] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:04:29,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:04:29,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-03 12:04:29,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102903165] [2025-03-03 12:04:29,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:04:29,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-03 12:04:29,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:04:29,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-03 12:04:29,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-03-03 12:04:29,569 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:30,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:04:30,206 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2025-03-03 12:04:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-03 12:04:30,206 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-03-03 12:04:30,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:04:30,207 INFO L225 Difference]: With dead ends: 26 [2025-03-03 12:04:30,207 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 12:04:30,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2025-03-03 12:04:30,207 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-03 12:04:30,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 101 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-03 12:04:30,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 12:04:30,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 12:04:30,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 12:04:30,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2025-03-03 12:04:30,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:04:30,208 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 12:04:30,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:04:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 12:04:30,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 12:04:30,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 12:04:30,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 (6)] Ended with exit code 0 [2025-03-03 12:04:30,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/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 [2025-03-03 12:04:30,413 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-03 12:04:30,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 12:04:30,574 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 12:04:30,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-03-03 12:04:30,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:04:30,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,584 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:04:30,586 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,586 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,586 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:04:30,587 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~iptr!offset [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#iptr~0!offset [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~iptr!base [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#iptr~0!base [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:04:30,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:04:30,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 12:04:30 BoogieIcfgContainer [2025-03-03 12:04:30,588 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 12:04:30,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 12:04:30,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 12:04:30,589 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 12:04:30,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:04:25" (3/4) ... [2025-03-03 12:04:30,593 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 12:04:30,604 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2025-03-03 12:04:30,605 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-03-03 12:04:30,605 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 12:04:30,605 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 12:04:30,689 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 12:04:30,689 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 12:04:30,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 12:04:30,690 INFO L158 Benchmark]: Toolchain (without parser) took 6552.56ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 67.3MB in the end (delta: 24.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2025-03-03 12:04:30,690 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 83.9MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:30,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.90ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 78.2MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:04:30,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.14ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:04:30,690 INFO L158 Benchmark]: Boogie Preprocessor took 66.84ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 73.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:30,691 INFO L158 Benchmark]: IcfgBuilder took 733.22ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 53.4MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 12:04:30,691 INFO L158 Benchmark]: TraceAbstraction took 5354.59ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 74.6MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:04:30,691 INFO L158 Benchmark]: Witness Printer took 100.15ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 67.3MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:04:30,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 83.9MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.90ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 78.2MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.14ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.84ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 73.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 733.22ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 53.4MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5354.59ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 74.6MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.15ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 67.3MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~iptr!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#iptr~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~iptr!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#iptr~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 112]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 435 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 241 IncrementalHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 115 mSDtfsCounter, 241 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 93 ConstructedInterpolants, 41 QuantifiedInterpolants, 1310 SizeOfPredicates, 25 NumberOfNonLiveVariables, 464 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 35]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 38]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 50]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-03 12:04:30,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE