./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_1271a.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 a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:22:42,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:22:42,630 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 16:22:42,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:22:42,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:22:42,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:22:42,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:22:42,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:22:42,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:22:42,653 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:22:42,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:22:42,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:22:42,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:22:42,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:22:42,654 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:22:42,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:22:42,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:22:42,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:22:42,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:22:42,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:22:42,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:22:42,655 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:22:42,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:22:42,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 16:22:42,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 16:22:42,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:22:42,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:22:42,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:22:42,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:22:42,656 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 -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2025-03-16 16:22:42,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:22:42,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:22:42,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:22:42,860 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:22:42,860 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:22:42,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2025-03-16 16:22:43,980 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b99bbd5b/ff0ccad50ec1489d9465eb7bba1700f2/FLAGc65bb9423 [2025-03-16 16:22:44,234 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:22:44,238 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2025-03-16 16:22:44,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b99bbd5b/ff0ccad50ec1489d9465eb7bba1700f2/FLAGc65bb9423 [2025-03-16 16:22:44,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b99bbd5b/ff0ccad50ec1489d9465eb7bba1700f2 [2025-03-16 16:22:44,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:22:44,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:22:44,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:22:44,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:22:44,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:22:44,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab977d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44, skipping insertion in model container [2025-03-16 16:22:44,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:22:44,733 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_1271a.c[4883,4896] [2025-03-16 16:22:44,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:22:44,742 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:22:44,785 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_1271a.c[4883,4896] [2025-03-16 16:22:44,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:22:44,796 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:22:44,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44 WrapperNode [2025-03-16 16:22:44,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:22:44,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:22:44,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:22:44,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:22:44,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,836 INFO L138 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 291 [2025-03-16 16:22:44,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:22:44,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:22:44,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:22:44,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:22:44,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,879 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-03-16 16:22:44,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,899 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:22:44,916 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:22:44,916 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:22:44,916 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:22:44,918 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (1/1) ... [2025-03-16 16:22:44,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:22:44,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:22:44,966 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) [2025-03-16 16:22:44,968 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 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-16 16:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-16 16:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2025-03-16 16:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:22:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 16:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2025-03-16 16:22:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2025-03-16 16:22:45,134 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:22:45,136 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 16:22:45,394 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2025-03-16 16:22:45,394 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 16:22:45,410 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 16:22:45,410 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 16:22:45,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:22:45 BoogieIcfgContainer [2025-03-16 16:22:45,411 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 16:22:45,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 16:22:45,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 16:22:45,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 16:22:45,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:22:44" (1/3) ... [2025-03-16 16:22:45,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3181ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:22:45, skipping insertion in model container [2025-03-16 16:22:45,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:44" (2/3) ... [2025-03-16 16:22:45,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3181ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:22:45, skipping insertion in model container [2025-03-16 16:22:45,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:22:45" (3/3) ... [2025-03-16 16:22:45,420 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2025-03-16 16:22:45,432 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 16:22:45,433 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1271a.c that has 2 procedures, 111 locations, 1 initial locations, 18 loop locations, and 17 error locations. [2025-03-16 16:22:45,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 16:22:45,489 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;@4ac3863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 16:22:45,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-03-16 16:22:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 90 states have (on average 2.0444444444444443) internal successors, (184), 107 states have internal predecessors, (184), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-16 16:22:45,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-03-16 16:22:45,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:22:45,496 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-03-16 16:22:45,497 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [__ieee754_sqrtfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __ieee754_sqrtfErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2025-03-16 16:22:45,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:22:45,501 INFO L85 PathProgramCache]: Analyzing trace with hash 7455, now seen corresponding path program 1 times [2025-03-16 16:22:45,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 16:22:45,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919972392] [2025-03-16 16:22:45,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:22:45,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 16:22:45,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-16 16:22:45,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-16 16:22:45,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:22:45,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 16:22:45,566 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 16:22:45,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-16 16:22:45,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-16 16:22:45,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:22:45,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 16:22:45,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 16:22:45,589 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 16:22:45,591 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONUNSUPPORTED_FEATURE (16 of 17 remaining) [2025-03-16 16:22:45,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (15 of 17 remaining) [2025-03-16 16:22:45,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtfErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (14 of 17 remaining) [2025-03-16 16:22:45,592 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 17 remaining) [2025-03-16 16:22:45,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (12 of 17 remaining) [2025-03-16 16:22:45,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (11 of 17 remaining) [2025-03-16 16:22:45,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (10 of 17 remaining) [2025-03-16 16:22:45,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 17 remaining) [2025-03-16 16:22:45,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 17 remaining) [2025-03-16 16:22:45,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 17 remaining) [2025-03-16 16:22:45,594 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 17 remaining) [2025-03-16 16:22:45,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 17 remaining) [2025-03-16 16:22:45,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 17 remaining) [2025-03-16 16:22:45,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 17 remaining) [2025-03-16 16:22:45,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 17 remaining) [2025-03-16 16:22:45,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 17 remaining) [2025-03-16 16:22:45,595 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 17 remaining) [2025-03-16 16:22:45,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 16:22:45,599 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-16 16:22:45,609 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 16:22:45,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:22:45 BoogieIcfgContainer [2025-03-16 16:22:45,615 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 16:22:45,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 16:22:45,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 16:22:45,616 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 16:22:45,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:22:45" (3/4) ... [2025-03-16 16:22:45,618 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 16:22:45,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 16:22:45,620 INFO L158 Benchmark]: Toolchain (without parser) took 1058.81ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 43.8MB in the end (delta: 61.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-16 16:22:45,621 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:22:45,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.96ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 89.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 16:22:45,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.01ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 87.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:22:45,621 INFO L158 Benchmark]: Boogie Preprocessor took 73.34ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 84.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:22:45,622 INFO L158 Benchmark]: IcfgBuilder took 495.24ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 58.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-16 16:22:45,623 INFO L158 Benchmark]: TraceAbstraction took 200.98ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 43.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:22:45,623 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:22:45,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.96ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 89.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.01ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 87.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.34ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 84.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 495.24ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 58.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 200.98ms. Allocated memory is still 142.6MB. Free memory was 57.2MB in the beginning and 43.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory is still 43.8MB. 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: 219]: 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 219, overapproximation of someBinaryArithmeticFLOAToperation at line 234. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L234] float x = 0.0f / 0.0f; [L235] float y = __VERIFIER_nondet_float(); [L237] CALL isfinite_float(y) [L217] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L219] ieee_float_shape_type gf_u; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - UnprovableResult [Line: 76]: 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: 22]: 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: 241]: 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: 203]: 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: 179]: 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: 194]: 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: 188]: 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: 152]: 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: 169]: 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: 164]: 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: 142]: 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: 137]: 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: 115]: 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: 110]: 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: 94]: 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: 88]: 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 2 procedures, 111 locations, 190 edges, 17 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=111occurred 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, 2 NumberOfCodeBlocks, 2 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 [2025-03-16 16:22:45,641 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_1271a.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 a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:22:47,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:22:47,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-16 16:22:47,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:22:47,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:22:47,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:22:47,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:22:47,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:22:47,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:22:47,586 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:22:47,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:22:47,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:22:47,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:22:47,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:22:47,586 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:22:47,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:22:47,587 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:22:47,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:22:47,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:22:47,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:22:47,588 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 -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2025-03-16 16:22:47,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:22:47,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:22:47,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:22:47,821 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:22:47,822 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:22:47,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2025-03-16 16:22:48,997 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcdc2270/7dd45e2df30244caa3cefb2034af1425/FLAGabfe1f8ba [2025-03-16 16:22:49,222 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:22:49,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2025-03-16 16:22:49,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcdc2270/7dd45e2df30244caa3cefb2034af1425/FLAGabfe1f8ba [2025-03-16 16:22:49,575 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcdc2270/7dd45e2df30244caa3cefb2034af1425 [2025-03-16 16:22:49,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:22:49,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:22:49,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:22:49,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:22:49,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:22:49,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6959f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49, skipping insertion in model container [2025-03-16 16:22:49,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:22:49,736 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_1271a.c[4883,4896] [2025-03-16 16:22:49,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:22:49,748 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:22:49,786 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_1271a.c[4883,4896] [2025-03-16 16:22:49,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:22:49,799 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:22:49,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49 WrapperNode [2025-03-16 16:22:49,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:22:49,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:22:49,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:22:49,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:22:49,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,832 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2025-03-16 16:22:49,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:22:49,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:22:49,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:22:49,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:22:49,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,842 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,854 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-03-16 16:22:49,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,865 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:22:49,878 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:22:49,878 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:22:49,878 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:22:49,879 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (1/1) ... [2025-03-16 16:22:49,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:22:49,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:22:49,902 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) [2025-03-16 16:22:49,907 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 [2025-03-16 16:22:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:22:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 16:22:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-16 16:22:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-16 16:22:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-16 16:22:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-16 16:22:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-03-16 16:22:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-16 16:22:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-03-16 16:22:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:22:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-03-16 16:22:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2025-03-16 16:22:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-16 16:22:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-16 16:22:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-16 16:22:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-16 16:22:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-16 16:22:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-16 16:22:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-16 16:22:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-16 16:22:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 16:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2025-03-16 16:22:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2025-03-16 16:22:50,071 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:22:50,073 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 16:22:52,565 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2025-03-16 16:22:52,565 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 16:22:52,573 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 16:22:52,573 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 16:22:52,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:22:52 BoogieIcfgContainer [2025-03-16 16:22:52,574 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 16:22:52,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 16:22:52,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 16:22:52,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 16:22:52,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:22:49" (1/3) ... [2025-03-16 16:22:52,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7daf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:22:52, skipping insertion in model container [2025-03-16 16:22:52,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:22:49" (2/3) ... [2025-03-16 16:22:52,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7daf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:22:52, skipping insertion in model container [2025-03-16 16:22:52,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:22:52" (3/3) ... [2025-03-16 16:22:52,580 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2025-03-16 16:22:52,590 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 16:22:52,591 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1271a.c that has 2 procedures, 87 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2025-03-16 16:22:52,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 16:22:52,640 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;@7d6f564e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 16:22:52,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 16:22:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 82 states have (on average 1.6951219512195121) internal successors, (139), 83 states have internal predecessors, (139), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-16 16:22:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-16 16:22:52,647 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:22:52,648 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:22:52,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:22:52,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:22:52,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1473080990, now seen corresponding path program 1 times [2025-03-16 16:22:52,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:22:52,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052050909] [2025-03-16 16:22:52,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:22:52,659 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 [2025-03-16 16:22:52,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:22:52,664 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) [2025-03-16 16:22:52,664 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 [2025-03-16 16:22:52,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-16 16:22:52,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-16 16:22:52,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:22:52,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:22:52,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-16 16:22:52,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:22:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:22:52,822 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:22:52,822 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:22:52,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052050909] [2025-03-16 16:22:52,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052050909] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:22:52,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:22:52,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-16 16:22:52,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758087511] [2025-03-16 16:22:52,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:22:52,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-16 16:22:52,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:22:52,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-16 16:22:52,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:22:52,839 INFO L87 Difference]: Start difference. First operand has 87 states, 82 states have (on average 1.6951219512195121) internal successors, (139), 83 states have internal predecessors, (139), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:22:52,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:22:52,859 INFO L93 Difference]: Finished difference Result 173 states and 287 transitions. [2025-03-16 16:22:52,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-16 16:22:52,861 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-16 16:22:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:22:52,865 INFO L225 Difference]: With dead ends: 173 [2025-03-16 16:22:52,865 INFO L226 Difference]: Without dead ends: 83 [2025-03-16 16:22:52,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-16 16:22:52,869 INFO L435 NwaCegarLoop]: 110 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, 110 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 [2025-03-16 16:22:52,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 16:22:52,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-03-16 16:22:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-03-16 16:22:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 79 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-16 16:22:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2025-03-16 16:22:52,894 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 105 transitions. Word has length 15 [2025-03-16 16:22:52,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:22:52,895 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 105 transitions. [2025-03-16 16:22:52,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:22:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2025-03-16 16:22:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-16 16:22:52,895 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:22:52,895 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:22:52,900 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 [2025-03-16 16:22:53,096 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 [2025-03-16 16:22:53,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:22:53,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:22:53,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1179754089, now seen corresponding path program 1 times [2025-03-16 16:22:53,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:22:53,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578245796] [2025-03-16 16:22:53,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:22:53,097 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 [2025-03-16 16:22:53,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:22:53,099 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) [2025-03-16 16:22:53,100 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 [2025-03-16 16:22:53,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-16 16:22:53,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-16 16:22:53,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:22:53,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:22:53,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-16 16:22:53,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:22:53,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-16 16:22:53,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2025-03-16 16:22:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:22:53,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:22:53,895 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:22:53,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578245796] [2025-03-16 16:22:53,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578245796] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:22:53,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:22:53,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-16 16:22:53,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577597087] [2025-03-16 16:22:53,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:22:53,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-16 16:22:53,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:22:53,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-16 16:22:53,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-16 16:22:53,896 INFO L87 Difference]: Start difference. First operand 83 states and 105 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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) [2025-03-16 16:22:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:22:54,806 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2025-03-16 16:22:54,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-16 16:22:54,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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 20 [2025-03-16 16:22:54,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:22:54,807 INFO L225 Difference]: With dead ends: 97 [2025-03-16 16:22:54,807 INFO L226 Difference]: Without dead ends: 34 [2025-03-16 16:22:54,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-16 16:22:54,808 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 24 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-16 16:22:54,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 78 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-16 16:22:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-03-16 16:22:54,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2025-03-16 16:22:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 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) [2025-03-16 16:22:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2025-03-16 16:22:54,812 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2025-03-16 16:22:54,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:22:54,812 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2025-03-16 16:22:54,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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) [2025-03-16 16:22:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2025-03-16 16:22:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-16 16:22:54,812 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:22:54,812 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:22:54,818 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 [2025-03-16 16:22:55,013 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 [2025-03-16 16:22:55,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:22:55,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:22:55,013 INFO L85 PathProgramCache]: Analyzing trace with hash -627700374, now seen corresponding path program 1 times [2025-03-16 16:22:55,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:22:55,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210655260] [2025-03-16 16:22:55,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:22:55,014 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 [2025-03-16 16:22:55,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:22:55,016 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) [2025-03-16 16:22:55,017 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 [2025-03-16 16:22:55,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-16 16:22:55,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-16 16:22:55,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:22:55,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:22:55,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-16 16:22:55,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:22:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:22:56,147 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:22:56,147 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:22:56,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210655260] [2025-03-16 16:22:56,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210655260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:22:56,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:22:56,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-16 16:22:56,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943988024] [2025-03-16 16:22:56,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:22:56,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-16 16:22:56,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:22:56,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-16 16:22:56,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-16 16:22:56,148 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 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) [2025-03-16 16:22:57,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:22:57,242 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2025-03-16 16:22:57,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-16 16:22:57,243 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 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 20 [2025-03-16 16:22:57,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:22:57,243 INFO L225 Difference]: With dead ends: 35 [2025-03-16 16:22:57,243 INFO L226 Difference]: Without dead ends: 31 [2025-03-16 16:22:57,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-16 16:22:57,244 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 20 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-16 16:22:57,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 96 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-16 16:22:57,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2025-03-16 16:22:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2025-03-16 16:22:57,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:22:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2025-03-16 16:22:57,248 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 20 [2025-03-16 16:22:57,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:22:57,248 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2025-03-16 16:22:57,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 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) [2025-03-16 16:22:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2025-03-16 16:22:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-16 16:22:57,249 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:22:57,249 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:22:57,254 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 [2025-03-16 16:22:57,453 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 [2025-03-16 16:22:57,453 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:22:57,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:22:57,453 INFO L85 PathProgramCache]: Analyzing trace with hash -635660155, now seen corresponding path program 1 times [2025-03-16 16:22:57,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:22:57,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261528705] [2025-03-16 16:22:57,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:22:57,454 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 [2025-03-16 16:22:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:22:57,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:22:57,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-16 16:22:57,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-16 16:22:57,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-16 16:22:57,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:22:57,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:22:57,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-16 16:22:57,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:22:57,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-16 16:22:57,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2025-03-16 16:22:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:22:58,001 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:22:58,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:22:58,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261528705] [2025-03-16 16:22:58,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1261528705] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:22:58,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:22:58,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-16 16:22:58,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478958905] [2025-03-16 16:22:58,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:22:58,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-16 16:22:58,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:22:58,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-16 16:22:58,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-16 16:22:58,002 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:22:58,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:22:58,487 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2025-03-16 16:22:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-16 16:22:58,488 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-03-16 16:22:58,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:22:58,489 INFO L225 Difference]: With dead ends: 40 [2025-03-16 16:22:58,489 INFO L226 Difference]: Without dead ends: 35 [2025-03-16 16:22:58,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-16 16:22:58,489 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 21 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-16 16:22:58,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 64 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-16 16:22:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-03-16 16:22:58,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-03-16 16:22:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 34 states have internal predecessors, (36), 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) [2025-03-16 16:22:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2025-03-16 16:22:58,495 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 25 [2025-03-16 16:22:58,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:22:58,496 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2025-03-16 16:22:58,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:22:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2025-03-16 16:22:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-16 16:22:58,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:22:58,496 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:22:58,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-16 16:22:58,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:22:58,697 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:22:58,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:22:58,698 INFO L85 PathProgramCache]: Analyzing trace with hash -634736634, now seen corresponding path program 1 times [2025-03-16 16:22:58,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:22:58,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479478573] [2025-03-16 16:22:58,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:22:58,698 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 [2025-03-16 16:22:58,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:22:58,700 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-16 16:22:58,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-03-16 16:22:58,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-16 16:22:58,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-16 16:22:58,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:22:58,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:22:58,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-16 16:22:58,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:23:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:23:01,978 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:23:01,978 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:23:01,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479478573] [2025-03-16 16:23:01,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479478573] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:23:01,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:23:01,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-16 16:23:01,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86494704] [2025-03-16 16:23:01,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:23:01,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-16 16:23:01,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:23:01,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-16 16:23:01,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-03-16 16:23:01,979 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:23:07,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:23:07,889 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2025-03-16 16:23:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-16 16:23:07,890 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-03-16 16:23:07,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:23:07,890 INFO L225 Difference]: With dead ends: 40 [2025-03-16 16:23:07,892 INFO L226 Difference]: Without dead ends: 26 [2025-03-16 16:23:07,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2025-03-16 16:23:07,893 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 25 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-16 16:23:07,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 94 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2025-03-16 16:23:07,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-03-16 16:23:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-03-16 16:23:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:23:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2025-03-16 16:23:07,899 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 25 [2025-03-16 16:23:07,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:23:07,899 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2025-03-16 16:23:07,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:23:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2025-03-16 16:23:07,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-16 16:23:07,899 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 16:23:07,899 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 16:23:07,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2025-03-16 16:23:08,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-16 16:23:08,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 16:23:08,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 16:23:08,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1141218780, now seen corresponding path program 1 times [2025-03-16 16:23:08,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 16:23:08,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699782018] [2025-03-16 16:23:08,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 16:23:08,101 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 [2025-03-16 16:23:08,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-16 16:23:08,102 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2025-03-16 16:23:08,104 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 (7)] Waiting until timeout for monitored process [2025-03-16 16:23:08,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-16 16:23:08,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-16 16:23:08,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 16:23:08,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 16:23:08,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-16 16:23:08,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 16:23:08,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-16 16:23:08,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2025-03-16 16:23:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 16:23:08,649 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 16:23:08,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 16:23:08,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699782018] [2025-03-16 16:23:08,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699782018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 16:23:08,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 16:23:08,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-16 16:23:08,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333759405] [2025-03-16 16:23:08,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 16:23:08,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-16 16:23:08,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 16:23:08,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-16 16:23:08,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-16 16:23:08,650 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:23:08,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 16:23:08,859 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2025-03-16 16:23:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-16 16:23:08,859 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-03-16 16:23:08,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 16:23:08,860 INFO L225 Difference]: With dead ends: 26 [2025-03-16 16:23:08,860 INFO L226 Difference]: Without dead ends: 0 [2025-03-16 16:23:08,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-16 16:23:08,861 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 16:23:08,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 62 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 16:23:08,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-16 16:23:08,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-16 16:23:08,861 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) [2025-03-16 16:23:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-16 16:23:08,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2025-03-16 16:23:08,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 16:23:08,862 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-16 16:23:08,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 16:23:08,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-16 16:23:08,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-16 16:23:08,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 16:23:08,870 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 (7)] Ended with exit code 0 [2025-03-16 16:23:09,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2025-03-16 16:23:09,068 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-16 16:23:09,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-16 16:23:10,203 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 16:23:10,209 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,210 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,210 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,210 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-16 16:23:10,210 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-16 16:23:10,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-03-16 16:23:10,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-16 16:23:10,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-16 16:23:10,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-16 16:23:10,215 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,215 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-16 16:23:10,215 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-16 16:23:10,215 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-16 16:23:10,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 04:23:10 BoogieIcfgContainer [2025-03-16 16:23:10,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 16:23:10,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 16:23:10,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 16:23:10,216 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 16:23:10,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 04:22:52" (3/4) ... [2025-03-16 16:23:10,218 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-16 16:23:10,221 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2025-03-16 16:23:10,225 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2025-03-16 16:23:10,226 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-03-16 16:23:10,226 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-16 16:23:10,226 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-16 16:23:10,306 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-16 16:23:10,306 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-16 16:23:10,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 16:23:10,307 INFO L158 Benchmark]: Toolchain (without parser) took 20729.44ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 91.2MB in the beginning and 129.4MB in the end (delta: -38.2MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2025-03-16 16:23:10,308 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:10,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.87ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 76.0MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 16:23:10,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.16ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:10,308 INFO L158 Benchmark]: Boogie Preprocessor took 44.48ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 69.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 16:23:10,308 INFO L158 Benchmark]: IcfgBuilder took 2695.46ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 84.6MB in the end (delta: -14.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2025-03-16 16:23:10,309 INFO L158 Benchmark]: TraceAbstraction took 17639.77ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 84.1MB in the beginning and 137.6MB in the end (delta: -53.4MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2025-03-16 16:23:10,309 INFO L158 Benchmark]: Witness Printer took 90.46ms. Allocated memory is still 243.3MB. Free memory was 137.6MB in the beginning and 129.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 16:23:10,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.87ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 76.0MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.16ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.48ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 69.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 2695.46ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 84.6MB in the end (delta: -14.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17639.77ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 84.1MB in the beginning and 137.6MB in the end (delta: -53.4MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Witness Printer took 90.46ms. Allocated memory is still 243.3MB. Free memory was 137.6MB in the beginning and 129.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 241]: 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 2 procedures, 87 locations, 145 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 504 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 319 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 349 IncrementalHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 185 mSDtfsCounter, 349 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 52, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 124 ConstructedInterpolants, 75 QuantifiedInterpolants, 1731 SizeOfPredicates, 19 NumberOfNonLiveVariables, 586 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 75]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 202]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 52]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 163]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 187]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 159]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 193]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 38]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 21]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 123]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 178]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 151]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 136]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-16 16:23:10,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE