./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_1131a.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 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 03:14:10,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 03:14:10,903 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 03:14:10,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 03:14:10,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 03:14:10,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 03:14:10,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 03:14:10,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 03:14:10,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 03:14:10,923 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 03:14:10,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 03:14:10,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 03:14:10,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 03:14:10,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 03:14:10,924 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 03:14:10,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 03:14:10,925 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 03:14:10,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 03:14:10,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 03:14:10,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 03:14:10,926 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 -> 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 [2025-03-08 03:14:11,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 03:14:11,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 03:14:11,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 03:14:11,155 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 03:14:11,155 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 03:14:11,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2025-03-08 03:14:12,275 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be38142ea/a6b1207b55de45528e63eab0d85c92f4/FLAGe48f2bc88 [2025-03-08 03:14:12,495 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 03:14:12,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2025-03-08 03:14:12,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be38142ea/a6b1207b55de45528e63eab0d85c92f4/FLAGe48f2bc88 [2025-03-08 03:14:12,851 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be38142ea/a6b1207b55de45528e63eab0d85c92f4 [2025-03-08 03:14:12,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 03:14:12,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 03:14:12,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 03:14:12,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 03:14:12,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 03:14:12,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:14:12" (1/1) ... [2025-03-08 03:14:12,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c5f70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:12, skipping insertion in model container [2025-03-08 03:14:12,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:14:12" (1/1) ... [2025-03-08 03:14:12,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 03:14:13,026 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_1131a.c[2945,2958] [2025-03-08 03:14:13,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 03:14:13,035 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 03:14:13,068 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_1131a.c[2945,2958] [2025-03-08 03:14:13,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 03:14:13,081 INFO L204 MainTranslator]: Completed translation [2025-03-08 03:14:13,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13 WrapperNode [2025-03-08 03:14:13,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 03:14:13,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 03:14:13,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 03:14:13,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 03:14:13,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,121 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 250 [2025-03-08 03:14:13,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 03:14:13,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 03:14:13,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 03:14:13,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 03:14:13,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,155 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 5, 2, 2, 2, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0, 0]. The 5 writes are split as follows [0, 0, 1, 1, 1, 1, 1]. [2025-03-08 03:14:13,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 03:14:13,176 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 03:14:13,176 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 03:14:13,176 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 03:14:13,178 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (1/1) ... [2025-03-08 03:14:13,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 03:14:13,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 03:14:13,202 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) [2025-03-08 03:14:13,204 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 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 03:14:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 03:14:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 03:14:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 03:14:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 03:14:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-08 03:14:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-08 03:14:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-08 03:14:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-08 03:14:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-08 03:14:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-08 03:14:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-08 03:14:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 03:14:13,303 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 03:14:13,304 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 03:14:13,619 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2025-03-08 03:14:13,619 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 03:14:13,642 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 03:14:13,642 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 03:14:13,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:13 BoogieIcfgContainer [2025-03-08 03:14:13,642 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 03:14:13,646 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 03:14:13,646 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 03:14:13,649 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 03:14:13,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 03:14:12" (1/3) ... [2025-03-08 03:14:13,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a438c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:14:13, skipping insertion in model container [2025-03-08 03:14:13,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:13" (2/3) ... [2025-03-08 03:14:13,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a438c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:14:13, skipping insertion in model container [2025-03-08 03:14:13,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:13" (3/3) ... [2025-03-08 03:14:13,651 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a.c [2025-03-08 03:14:13,662 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 03:14:13,663 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1131a.c that has 1 procedures, 84 locations, 1 initial locations, 9 loop locations, and 6 error locations. [2025-03-08 03:14:13,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 03:14:13,717 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;@606d04a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 03:14:13,718 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-08 03:14:13,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 77 states have (on average 1.7272727272727273) internal successors, (133), 83 states have internal predecessors, (133), 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) [2025-03-08 03:14:13,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-08 03:14:13,726 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:14:13,726 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-08 03:14:13,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 3 more)] === [2025-03-08 03:14:13,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:14:13,731 INFO L85 PathProgramCache]: Analyzing trace with hash 183672, now seen corresponding path program 1 times [2025-03-08 03:14:13,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 03:14:13,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918845302] [2025-03-08 03:14:13,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:14:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 03:14:13,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-08 03:14:13,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-08 03:14:13,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:13,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 03:14:13,808 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 03:14:13,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-08 03:14:13,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-08 03:14:13,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:13,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 03:14:13,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 03:14:13,834 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 03:14:13,835 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 6 remaining) [2025-03-08 03:14:13,836 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2025-03-08 03:14:13,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 6 remaining) [2025-03-08 03:14:13,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 6 remaining) [2025-03-08 03:14:13,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 6 remaining) [2025-03-08 03:14:13,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 6 remaining) [2025-03-08 03:14:13,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 03:14:13,842 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-08 03:14:13,856 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 03:14:13,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 03:14:13 BoogieIcfgContainer [2025-03-08 03:14:13,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 03:14:13,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 03:14:13,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 03:14:13,862 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 03:14:13,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:13" (3/4) ... [2025-03-08 03:14:13,864 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 03:14:13,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 03:14:13,866 INFO L158 Benchmark]: Toolchain (without parser) took 1011.57ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 48.6MB in the end (delta: 57.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-08 03:14:13,866 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:13,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.18ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 93.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 03:14:13,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.79ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:13,866 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 88.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:13,867 INFO L158 Benchmark]: IcfgBuilder took 466.07ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 62.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 03:14:13,867 INFO L158 Benchmark]: TraceAbstraction took 215.21ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 49.7MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 03:14:13,867 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 142.6MB. Free memory was 49.7MB in the beginning and 48.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:13,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.18ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 93.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.79ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 88.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 466.07ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 62.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 215.21ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 49.7MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 142.6MB. Free memory was 49.7MB in the beginning and 48.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 113]: 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 113, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 129. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L128] float x = __VERIFIER_nondet_float(); [L129] float y = 1.0f / 0.0f; [L131] CALL isfinite_float(x) [L111] __int32_t ix; VAL [Zero_fmod={4:0}, one_fmod=1] [L113] ieee_float_shape_type gf_u; VAL [Zero_fmod={4:0}, one_fmod=1] - UnprovableResult [Line: 137]: 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: 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: 100]: 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: 23]: 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, 84 locations, 133 edges, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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=84occurred 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, 0.0s 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 [2025-03-08 03:14:13,886 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_1131a.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 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 03:14:15,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 03:14:15,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 03:14:15,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 03:14:15,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 03:14:15,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 03:14:15,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 03:14:15,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 03:14:15,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 03:14:15,857 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 03:14:15,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 03:14:15,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 03:14:15,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 03:14:15,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 03:14:15,857 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 03:14:15,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 03:14:15,858 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 03:14:15,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 03:14:15,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 03:14:15,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 03:14:15,859 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 -> 9d7de4eae0919f71f47a70084dddfbb7e8bba2261ae33533b8e450f3643f4e28 [2025-03-08 03:14:16,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 03:14:16,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 03:14:16,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 03:14:16,089 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 03:14:16,089 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 03:14:16,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2025-03-08 03:14:17,216 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35abbc174/a3b9780c950846f6996dc30feb70d35e/FLAG6bfa2505f [2025-03-08 03:14:17,423 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 03:14:17,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131a.c [2025-03-08 03:14:17,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35abbc174/a3b9780c950846f6996dc30feb70d35e/FLAG6bfa2505f [2025-03-08 03:14:17,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35abbc174/a3b9780c950846f6996dc30feb70d35e [2025-03-08 03:14:17,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 03:14:17,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 03:14:17,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 03:14:17,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 03:14:17,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 03:14:17,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:14:17" (1/1) ... [2025-03-08 03:14:17,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b356991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:17, skipping insertion in model container [2025-03-08 03:14:17,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 03:14:17" (1/1) ... [2025-03-08 03:14:17,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 03:14:17,952 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_1131a.c[2945,2958] [2025-03-08 03:14:17,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 03:14:17,968 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 03:14:17,998 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_1131a.c[2945,2958] [2025-03-08 03:14:17,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 03:14:18,010 INFO L204 MainTranslator]: Completed translation [2025-03-08 03:14:18,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18 WrapperNode [2025-03-08 03:14:18,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 03:14:18,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 03:14:18,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 03:14:18,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 03:14:18,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,038 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 174 [2025-03-08 03:14:18,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 03:14:18,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 03:14:18,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 03:14:18,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 03:14:18,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,061 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 2, 2, 5, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 2, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 0, 1, 1]. [2025-03-08 03:14:18,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,069 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 03:14:18,082 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 03:14:18,083 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 03:14:18,083 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 03:14:18,083 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (1/1) ... [2025-03-08 03:14:18,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 03:14:18,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 03:14:18,107 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) [2025-03-08 03:14:18,108 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 [2025-03-08 03:14:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 03:14:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-03-08 03:14:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-03-08 03:14:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-03-08 03:14:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-03-08 03:14:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-03-08 03:14:18,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 03:14:18,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-08 03:14:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-08 03:14:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-08 03:14:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-08 03:14:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-08 03:14:18,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-08 03:14:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-08 03:14:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-08 03:14:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-08 03:14:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-08 03:14:18,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 03:14:18,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-08 03:14:18,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 03:14:18,222 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 03:14:18,223 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 03:14:21,325 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2025-03-08 03:14:21,325 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 03:14:21,333 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 03:14:21,333 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 03:14:21,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:21 BoogieIcfgContainer [2025-03-08 03:14:21,334 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 03:14:21,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 03:14:21,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 03:14:21,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 03:14:21,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 03:14:17" (1/3) ... [2025-03-08 03:14:21,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6333b1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:14:21, skipping insertion in model container [2025-03-08 03:14:21,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 03:14:18" (2/3) ... [2025-03-08 03:14:21,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6333b1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 03:14:21, skipping insertion in model container [2025-03-08 03:14:21,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:21" (3/3) ... [2025-03-08 03:14:21,341 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131a.c [2025-03-08 03:14:21,351 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 03:14:21,352 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1131a.c that has 1 procedures, 45 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-08 03:14:21,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 03:14:21,390 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;@266fcfed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 03:14:21,390 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 03:14:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.697674418604651) internal successors, (73), 44 states have internal predecessors, (73), 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) [2025-03-08 03:14:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-08 03:14:21,399 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:14:21,399 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 03:14:21,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 03:14:21,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:14:21,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1040691083, now seen corresponding path program 1 times [2025-03-08 03:14:21,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 03:14:21,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316150338] [2025-03-08 03:14:21,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:14:21,411 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 [2025-03-08 03:14:21,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 03:14:21,413 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) [2025-03-08 03:14:21,415 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 [2025-03-08 03:14:21,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-08 03:14:21,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-08 03:14:21,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:21,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 03:14:21,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 03:14:21,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 03:14:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 03:14:21,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 03:14:21,644 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 03:14:21,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316150338] [2025-03-08 03:14:21,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316150338] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 03:14:21,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 03:14:21,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 03:14:21,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428627914] [2025-03-08 03:14:21,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 03:14:21,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 03:14:21,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 03:14:21,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 03:14:21,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 03:14:21,662 INFO L87 Difference]: Start difference. First operand has 45 states, 43 states have (on average 1.697674418604651) internal successors, (73), 44 states have internal predecessors, (73), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2025-03-08 03:14:21,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 03:14:21,676 INFO L93 Difference]: Finished difference Result 88 states and 144 transitions. [2025-03-08 03:14:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 03:14:21,677 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2025-03-08 03:14:21,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 03:14:21,681 INFO L225 Difference]: With dead ends: 88 [2025-03-08 03:14:21,681 INFO L226 Difference]: Without dead ends: 41 [2025-03-08 03:14:21,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 03:14:21,684 INFO L435 NwaCegarLoop]: 61 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, 61 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 [2025-03-08 03:14:21,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 03:14:21,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-08 03:14:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-03-08 03:14:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 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) [2025-03-08 03:14:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2025-03-08 03:14:21,706 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 13 [2025-03-08 03:14:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 03:14:21,706 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2025-03-08 03:14:21,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2025-03-08 03:14:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2025-03-08 03:14:21,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-08 03:14:21,707 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:14:21,707 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 03:14:21,714 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 [2025-03-08 03:14:21,911 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 [2025-03-08 03:14:21,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 03:14:21,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:14:21,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1155739102, now seen corresponding path program 1 times [2025-03-08 03:14:21,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 03:14:21,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122875603] [2025-03-08 03:14:21,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:14:21,912 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 [2025-03-08 03:14:21,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 03:14:21,914 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) [2025-03-08 03:14:21,915 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 [2025-03-08 03:14:21,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-08 03:14:22,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-08 03:14:22,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:22,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 03:14:22,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-08 03:14:22,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 03:14:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 03:14:23,552 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 03:14:23,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 03:14:23,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122875603] [2025-03-08 03:14:23,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122875603] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 03:14:23,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 03:14:23,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-08 03:14:23,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304433822] [2025-03-08 03:14:23,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 03:14:23,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 03:14:23,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 03:14:23,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 03:14:23,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-03-08 03:14:23,554 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2025-03-08 03:14:24,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 03:14:24,701 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2025-03-08 03:14:24,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 03:14:24,702 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 16 [2025-03-08 03:14:24,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 03:14:24,702 INFO L225 Difference]: With dead ends: 45 [2025-03-08 03:14:24,702 INFO L226 Difference]: Without dead ends: 18 [2025-03-08 03:14:24,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-03-08 03:14:24,703 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 03:14:24,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 53 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 03:14:24,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-03-08 03:14:24,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-03-08 03:14:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0) internal successors, (17), 17 states have internal predecessors, (17), 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) [2025-03-08 03:14:24,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2025-03-08 03:14:24,705 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2025-03-08 03:14:24,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 03:14:24,705 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2025-03-08 03:14:24,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2025-03-08 03:14:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2025-03-08 03:14:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-08 03:14:24,705 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 03:14:24,705 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 03:14:24,713 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 [2025-03-08 03:14:24,906 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 [2025-03-08 03:14:24,906 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 03:14:24,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 03:14:24,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1470649367, now seen corresponding path program 1 times [2025-03-08 03:14:24,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 03:14:24,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273616302] [2025-03-08 03:14:24,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 03:14:24,907 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 [2025-03-08 03:14:24,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 03:14:24,911 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) [2025-03-08 03:14:24,912 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 [2025-03-08 03:14:24,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-08 03:14:24,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-08 03:14:24,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 03:14:24,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 03:14:24,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-08 03:14:24,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 03:14:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 03:14:25,779 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 03:14:25,779 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 03:14:25,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273616302] [2025-03-08 03:14:25,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273616302] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 03:14:25,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 03:14:25,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 03:14:25,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244873083] [2025-03-08 03:14:25,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 03:14:25,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 03:14:25,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 03:14:25,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 03:14:25,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 03:14:25,780 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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) [2025-03-08 03:14:26,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 03:14:26,236 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2025-03-08 03:14:26,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 03:14:26,237 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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 17 [2025-03-08 03:14:26,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 03:14:26,237 INFO L225 Difference]: With dead ends: 18 [2025-03-08 03:14:26,237 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 03:14:26,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-03-08 03:14:26,238 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 03:14:26,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 50 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 03:14:26,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 03:14:26,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 03:14:26,239 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) [2025-03-08 03:14:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 03:14:26,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2025-03-08 03:14:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 03:14:26,239 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 03:14:26,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 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) [2025-03-08 03:14:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 03:14:26,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 03:14:26,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 03:14:26,245 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 [2025-03-08 03:14:26,442 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 [2025-03-08 03:14:26,444 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 03:14:26,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 03:14:26,704 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 03:14:26,712 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-08 03:14:26,712 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-08 03:14:26,713 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-08 03:14:26,713 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-08 03:14:26,713 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-08 03:14:26,713 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-08 03:14:26,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 03:14:26 BoogieIcfgContainer [2025-03-08 03:14:26,714 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 03:14:26,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 03:14:26,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 03:14:26,714 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 03:14:26,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 03:14:21" (3/4) ... [2025-03-08 03:14:26,716 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 03:14:26,725 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-03-08 03:14:26,725 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-08 03:14:26,725 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 03:14:26,725 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 03:14:26,789 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 03:14:26,789 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 03:14:26,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 03:14:26,790 INFO L158 Benchmark]: Toolchain (without parser) took 8995.64ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 43.2MB in the end (delta: 15.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-03-08 03:14:26,790 INFO L158 Benchmark]: CDTParser took 2.29ms. Allocated memory is still 83.9MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:26,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.11ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 45.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 03:14:26,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.06ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 43.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:26,791 INFO L158 Benchmark]: Boogie Preprocessor took 43.28ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 40.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:26,792 INFO L158 Benchmark]: IcfgBuilder took 3251.41ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 50.0MB in the end (delta: -9.4MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2025-03-08 03:14:26,792 INFO L158 Benchmark]: TraceAbstraction took 5377.35ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 50.0MB in the end (delta: -666.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 03:14:26,792 INFO L158 Benchmark]: Witness Printer took 75.00ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 43.2MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 03:14:26,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.29ms. Allocated memory is still 83.9MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.11ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 45.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.06ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 43.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.28ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 40.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 3251.41ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 50.0MB in the end (delta: -9.4MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5377.35ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 50.0MB in the end (delta: -666.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.00ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 43.2MB in the end (delta: 6.8MB). 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: 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: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 137]: 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, 45 locations, 73 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 77 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 22 QuantifiedInterpolants, 675 SizeOfPredicates, 11 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 84]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 67]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 22]: Location Invariant Derived location invariant: (x == x) - InvariantResult [Line: 112]: Location Invariant Derived location invariant: (x == x) - InvariantResult [Line: 19]: Location Invariant Derived location invariant: (x == x) - InvariantResult [Line: 49]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 43]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 90]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 99]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-08 03:14:26,829 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