./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0270a.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 9489431ca2adb8b900cb4d01b5f65fcc773628acd92e39026c8afa0b8e7448c0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 11:55:39,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 11:55:39,663 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 11:55:39,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 11:55:39,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 11:55:39,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 11:55:39,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 11:55:39,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 11:55:39,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 11:55:39,683 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 11:55:39,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 11:55:39,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 11:55:39,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 11:55:39,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 11:55:39,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 11:55:39,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:55:39,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 11:55:39,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 11:55:39,685 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 -> 9489431ca2adb8b900cb4d01b5f65fcc773628acd92e39026c8afa0b8e7448c0 [2025-03-03 11:55:39,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 11:55:39,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 11:55:39,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 11:55:39,917 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 11:55:39,917 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 11:55:39,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2025-03-03 11:55:41,137 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb01a36b/3f84c24da3d740a183e00617ef82daf6/FLAG7030528d0 [2025-03-03 11:55:41,363 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 11:55:41,364 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2025-03-03 11:55:41,376 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb01a36b/3f84c24da3d740a183e00617ef82daf6/FLAG7030528d0 [2025-03-03 11:55:41,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb01a36b/3f84c24da3d740a183e00617ef82daf6 [2025-03-03 11:55:41,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 11:55:41,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 11:55:41,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 11:55:41,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 11:55:41,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 11:55:41,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d1a6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41, skipping insertion in model container [2025-03-03 11:55:41,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 11:55:41,839 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_0270a.c[4702,4715] [2025-03-03 11:55:41,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:55:41,852 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 11:55:41,879 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_0270a.c[4702,4715] [2025-03-03 11:55:41,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:55:41,894 INFO L204 MainTranslator]: Completed translation [2025-03-03 11:55:41,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41 WrapperNode [2025-03-03 11:55:41,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 11:55:41,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 11:55:41,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 11:55:41,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 11:55:41,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,933 INFO L138 Inliner]: procedures = 19, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 286 [2025-03-03 11:55:41,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 11:55:41,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 11:55:41,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 11:55:41,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 11:55:41,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,955 INFO L175 MemorySlicer]: Split 18 memory accesses to 9 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2]. 11 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]. The 8 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-03-03 11:55:41,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,964 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 11:55:41,975 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 11:55:41,975 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 11:55:41,975 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 11:55:41,976 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (1/1) ... [2025-03-03 11:55:41,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:55:41,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 11:55:42,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 11:55:42,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 11:55:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 11:55:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 11:55:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 11:55:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 11:55:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-03 11:55:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 11:55:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-03 11:55:42,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-03 11:55:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-03 11:55:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-03 11:55:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-03 11:55:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-03 11:55:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-03 11:55:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-03 11:55:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 11:55:42,154 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 11:55:42,155 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 11:55:42,393 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2025-03-03 11:55:42,393 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 11:55:42,412 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 11:55:42,412 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 11:55:42,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:55:42 BoogieIcfgContainer [2025-03-03 11:55:42,413 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 11:55:42,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 11:55:42,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 11:55:42,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 11:55:42,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:55:41" (1/3) ... [2025-03-03 11:55:42,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14277aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:55:42, skipping insertion in model container [2025-03-03 11:55:42,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:41" (2/3) ... [2025-03-03 11:55:42,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14277aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:55:42, skipping insertion in model container [2025-03-03 11:55:42,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:55:42" (3/3) ... [2025-03-03 11:55:42,422 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2025-03-03 11:55:42,432 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 11:55:42,433 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0270a.c that has 1 procedures, 74 locations, 1 initial locations, 10 loop locations, and 9 error locations. [2025-03-03 11:55:42,468 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 11:55:42,475 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;@594e0a83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 11:55:42,475 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-03-03 11:55:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 64 states have (on average 1.90625) internal successors, (122), 73 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:55:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-03 11:55:42,481 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:55:42,481 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-03 11:55:42,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 6 more)] === [2025-03-03 11:55:42,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:55:42,485 INFO L85 PathProgramCache]: Analyzing trace with hash 170763, now seen corresponding path program 1 times [2025-03-03 11:55:42,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 11:55:42,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031724650] [2025-03-03 11:55:42,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:55:42,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 11:55:42,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-03 11:55:42,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-03 11:55:42,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:55:42,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 11:55:42,558 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 11:55:42,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-03 11:55:42,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-03 11:55:42,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:55:42,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 11:55:42,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 11:55:42,594 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 11:55:42,595 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 9 remaining) [2025-03-03 11:55:42,597 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2025-03-03 11:55:42,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 9 remaining) [2025-03-03 11:55:42,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 9 remaining) [2025-03-03 11:55:42,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 9 remaining) [2025-03-03 11:55:42,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 9 remaining) [2025-03-03 11:55:42,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 9 remaining) [2025-03-03 11:55:42,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 9 remaining) [2025-03-03 11:55:42,599 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 9 remaining) [2025-03-03 11:55:42,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 11:55:42,603 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 11:55:42,619 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 11:55:42,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 11:55:42 BoogieIcfgContainer [2025-03-03 11:55:42,623 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 11:55:42,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 11:55:42,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 11:55:42,624 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 11:55:42,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:55:42" (3/4) ... [2025-03-03 11:55:42,627 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 11:55:42,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 11:55:42,628 INFO L158 Benchmark]: Toolchain (without parser) took 932.34ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 50.7MB in the end (delta: 55.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-03 11:55:42,628 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:55:42,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.75ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 92.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 11:55:42,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.59ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:55:42,629 INFO L158 Benchmark]: Boogie Preprocessor took 36.04ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 87.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:55:42,629 INFO L158 Benchmark]: IcfgBuilder took 437.78ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 65.3MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 11:55:42,629 INFO L158 Benchmark]: TraceAbstraction took 208.77ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 51.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 11:55:42,629 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 142.6MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:55:42,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21ms. Allocated memory is still 201.3MB. Free memory is still 126.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.75ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 92.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.59ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.04ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 87.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 437.78ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 65.3MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 208.77ms. Allocated memory is still 142.6MB. Free memory was 65.3MB in the beginning and 51.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 142.6MB. Free memory is still 50.7MB. 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: 123]: 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 123, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of someUnaryFLOAToperation at line 111, overapproximation of someUnaryFLOAToperation at line 195. Possible FailurePath: [L26] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L109-L117] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L195] float x = -0.0f; [L196] CALL __ieee754_asinf(x) [L120] float t, w, p, q, c, r, s; [L121] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000005] [L123] ieee_float_shape_type gf_u; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000005] - UnprovableResult [Line: 200]: 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: 18]: 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: 171]: 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: 166]: 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. - UnprovableResult [Line: 34]: 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: 102]: 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: 97]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 9 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=74occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 11:55:42,650 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 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_0270a.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 9489431ca2adb8b900cb4d01b5f65fcc773628acd92e39026c8afa0b8e7448c0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 11:55:44,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 11:55:44,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 11:55:44,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 11:55:44,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 11:55:44,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 11:55:44,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 11:55:44,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 11:55:44,636 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 11:55:44,636 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 11:55:44,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 11:55:44,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 11:55:44,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 11:55:44,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 11:55:44,636 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 11:55:44,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 11:55:44,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 11:55:44,636 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 11:55:44,637 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 11:55:44,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:55:44,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 11:55:44,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 11:55:44,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 11:55:44,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 11:55:44,639 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 -> 9489431ca2adb8b900cb4d01b5f65fcc773628acd92e39026c8afa0b8e7448c0 [2025-03-03 11:55:44,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 11:55:44,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 11:55:44,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 11:55:44,916 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 11:55:44,916 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 11:55:44,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2025-03-03 11:55:46,111 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd298b41e/b5be7eed9723463887ed88e59c43fa78/FLAG026b63092 [2025-03-03 11:55:46,358 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 11:55:46,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2025-03-03 11:55:46,374 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd298b41e/b5be7eed9723463887ed88e59c43fa78/FLAG026b63092 [2025-03-03 11:55:46,713 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd298b41e/b5be7eed9723463887ed88e59c43fa78 [2025-03-03 11:55:46,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 11:55:46,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 11:55:46,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 11:55:46,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 11:55:46,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 11:55:46,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:46,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3852129b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46, skipping insertion in model container [2025-03-03 11:55:46,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:46,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 11:55:46,888 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_0270a.c[4702,4715] [2025-03-03 11:55:46,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:55:46,901 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 11:55:46,946 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_0270a.c[4702,4715] [2025-03-03 11:55:46,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:55:46,966 INFO L204 MainTranslator]: Completed translation [2025-03-03 11:55:46,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46 WrapperNode [2025-03-03 11:55:46,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 11:55:46,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 11:55:46,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 11:55:46,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 11:55:46,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:46,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,013 INFO L138 Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 251 [2025-03-03 11:55:47,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 11:55:47,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 11:55:47,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 11:55:47,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 11:55:47,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,028 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,051 INFO L175 MemorySlicer]: Split 18 memory accesses to 9 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2]. 11 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]. The 8 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-03-03 11:55:47,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,064 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 11:55:47,086 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 11:55:47,086 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 11:55:47,086 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 11:55:47,087 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (1/1) ... [2025-03-03 11:55:47,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:55:47,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 11:55:47,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 11:55:47,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 11:55:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 11:55:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 11:55:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-03 11:55:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-03 11:55:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-03 11:55:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-03 11:55:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 11:55:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-03 11:55:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-03-03 11:55:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 11:55:47,230 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 11:55:47,231 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 11:56:07,623 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2025-03-03 11:56:07,623 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 11:56:07,632 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 11:56:07,634 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 11:56:07,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:56:07 BoogieIcfgContainer [2025-03-03 11:56:07,634 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 11:56:07,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 11:56:07,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 11:56:07,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 11:56:07,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:55:46" (1/3) ... [2025-03-03 11:56:07,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5552ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:56:07, skipping insertion in model container [2025-03-03 11:56:07,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:55:46" (2/3) ... [2025-03-03 11:56:07,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5552ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:56:07, skipping insertion in model container [2025-03-03 11:56:07,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:56:07" (3/3) ... [2025-03-03 11:56:07,644 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2025-03-03 11:56:07,656 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 11:56:07,657 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0270a.c that has 1 procedures, 58 locations, 1 initial locations, 10 loop locations, and 1 error locations. [2025-03-03 11:56:07,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 11:56:07,714 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;@20710ced, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 11:56:07,714 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 11:56:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 56 states have (on average 1.6607142857142858) internal successors, (93), 57 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:07,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-03 11:56:07,721 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:56:07,721 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:56:07,721 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:56:07,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:56:07,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1184480932, now seen corresponding path program 1 times [2025-03-03 11:56:07,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:56:07,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417304992] [2025-03-03 11:56:07,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:56:07,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:07,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:56:07,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:56:07,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 11:56:07,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-03 11:56:08,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-03 11:56:08,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:56:08,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:56:08,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 11:56:08,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:56:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:56:08,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:56:08,197 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:56:08,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417304992] [2025-03-03 11:56:08,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417304992] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:56:08,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:56:08,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 11:56:08,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394721767] [2025-03-03 11:56:08,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:56:08,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 11:56:08,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:56:08,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 11:56:08,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 11:56:08,216 INFO L87 Difference]: Start difference. First operand has 58 states, 56 states have (on average 1.6607142857142858) internal successors, (93), 57 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:08,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:56:08,228 INFO L93 Difference]: Finished difference Result 114 states and 184 transitions. [2025-03-03 11:56:08,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 11:56:08,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2025-03-03 11:56:08,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:56:08,232 INFO L225 Difference]: With dead ends: 114 [2025-03-03 11:56:08,232 INFO L226 Difference]: Without dead ends: 55 [2025-03-03 11:56:08,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 11:56:08,235 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 11:56:08,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 11:56:08,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-03-03 11:56:08,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2025-03-03 11:56:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:08,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 73 transitions. [2025-03-03 11:56:08,257 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 73 transitions. Word has length 9 [2025-03-03 11:56:08,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:56:08,258 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 73 transitions. [2025-03-03 11:56:08,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2025-03-03 11:56:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-03 11:56:08,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:56:08,258 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:56:08,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-03 11:56:08,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:08,459 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:56:08,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:56:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1888260624, now seen corresponding path program 1 times [2025-03-03 11:56:08,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:56:08,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112910033] [2025-03-03 11:56:08,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:56:08,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:08,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:56:08,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:56:08,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-03 11:56:08,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-03 11:56:08,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-03 11:56:08,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:56:08,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:56:08,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-03 11:56:08,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:56:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:56:09,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:56:09,450 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:56:09,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112910033] [2025-03-03 11:56:09,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112910033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:56:09,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:56:09,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 11:56:09,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539844125] [2025-03-03 11:56:09,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:56:09,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 11:56:09,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:56:09,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 11:56:09,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 11:56:09,452 INFO L87 Difference]: Start difference. First operand 55 states and 73 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:11,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:56:11,086 INFO L93 Difference]: Finished difference Result 101 states and 132 transitions. [2025-03-03 11:56:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 11:56:11,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2025-03-03 11:56:11,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:56:11,088 INFO L225 Difference]: With dead ends: 101 [2025-03-03 11:56:11,088 INFO L226 Difference]: Without dead ends: 56 [2025-03-03 11:56:11,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-03 11:56:11,089 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 107 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-03 11:56:11,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 133 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-03 11:56:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-03-03 11:56:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2025-03-03 11:56:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 54 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2025-03-03 11:56:11,095 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 10 [2025-03-03 11:56:11,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:56:11,095 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2025-03-03 11:56:11,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2025-03-03 11:56:11,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-03 11:56:11,096 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:56:11,096 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:56:11,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-03 11:56:11,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:11,297 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:56:11,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:56:11,297 INFO L85 PathProgramCache]: Analyzing trace with hash -536009386, now seen corresponding path program 1 times [2025-03-03 11:56:11,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:56:11,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633457800] [2025-03-03 11:56:11,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:56:11,298 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:11,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:56:11,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:56:11,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-03 11:56:11,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-03 11:56:11,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-03 11:56:11,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:56:11,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:56:11,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-03 11:56:11,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:56:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:56:12,310 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:56:12,310 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:56:12,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633457800] [2025-03-03 11:56:12,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [633457800] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:56:12,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:56:12,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 11:56:12,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304796796] [2025-03-03 11:56:12,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:56:12,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 11:56:12,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:56:12,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 11:56:12,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 11:56:12,313 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:13,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:56:13,022 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2025-03-03 11:56:13,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 11:56:13,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2025-03-03 11:56:13,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:56:13,024 INFO L225 Difference]: With dead ends: 60 [2025-03-03 11:56:13,025 INFO L226 Difference]: Without dead ends: 57 [2025-03-03 11:56:13,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 11:56:13,025 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 1 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-03 11:56:13,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 231 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-03 11:56:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-03-03 11:56:13,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2025-03-03 11:56:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2025-03-03 11:56:13,033 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 14 [2025-03-03 11:56:13,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:56:13,033 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2025-03-03 11:56:13,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2025-03-03 11:56:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-03 11:56:13,033 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:56:13,034 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:56:13,046 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-03-03 11:56:13,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:13,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:56:13,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:56:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash -119213390, now seen corresponding path program 1 times [2025-03-03 11:56:13,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:56:13,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629306068] [2025-03-03 11:56:13,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:56:13,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:13,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:56:13,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:56:13,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-03 11:56:13,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-03 11:56:13,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-03 11:56:13,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:56:13,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:56:13,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-03 11:56:13,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:56:14,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-03 11:56:14,494 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 30 treesize of output 14 [2025-03-03 11:56:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:56:15,319 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:56:15,319 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:56:15,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629306068] [2025-03-03 11:56:15,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629306068] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:56:15,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:56:15,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-03 11:56:15,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257031994] [2025-03-03 11:56:15,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:56:15,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 11:56:15,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:56:15,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 11:56:15,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-03 11:56:15,320 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:17,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:56:17,239 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2025-03-03 11:56:17,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-03 11:56:17,240 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-03-03 11:56:17,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:56:17,240 INFO L225 Difference]: With dead ends: 64 [2025-03-03 11:56:17,240 INFO L226 Difference]: Without dead ends: 55 [2025-03-03 11:56:17,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-03 11:56:17,241 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 4 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-03 11:56:17,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 452 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-03 11:56:17,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-03-03 11:56:17,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2025-03-03 11:56:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2025-03-03 11:56:17,248 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 18 [2025-03-03 11:56:17,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:56:17,248 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2025-03-03 11:56:17,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2025-03-03 11:56:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-03 11:56:17,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:56:17,249 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:56:17,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-03 11:56:17,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:17,449 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:56:17,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:56:17,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1000429423, now seen corresponding path program 1 times [2025-03-03 11:56:17,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:56:17,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881068928] [2025-03-03 11:56:17,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:56:17,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:17,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:56:17,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:56:17,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-03-03 11:56:17,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-03 11:56:18,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-03 11:56:18,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:56:18,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:56:18,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-03 11:56:18,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:56:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:56:20,518 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:56:20,518 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:56:20,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881068928] [2025-03-03 11:56:20,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881068928] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:56:20,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:56:20,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-03 11:56:20,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705405749] [2025-03-03 11:56:20,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:56:20,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 11:56:20,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:56:20,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 11:56:20,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-03 11:56:20,519 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 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) [2025-03-03 11:56:20,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:56:20,567 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2025-03-03 11:56:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 11:56:20,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 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) Word has length 33 [2025-03-03 11:56:20,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:56:20,568 INFO L225 Difference]: With dead ends: 55 [2025-03-03 11:56:20,568 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 11:56:20,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-03 11:56:20,569 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 11:56:20,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 11:56:20,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 11:56:20,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 11:56:20,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:56:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 11:56:20,570 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2025-03-03 11:56:20,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:56:20,570 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 11:56:20,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 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) [2025-03-03 11:56:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 11:56:20,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 11:56:20,572 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 11:56:20,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2025-03-03 11:56:20,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:56:20,776 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-03 11:56:20,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 11:56:21,100 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 11:56:21,105 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-03-03 11:56:21,109 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 11:56:21,109 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-03-03 11:56:21,110 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 11:56:21,110 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 11:56:21,110 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 11:56:21,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 11:56:21 BoogieIcfgContainer [2025-03-03 11:56:21,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 11:56:21,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 11:56:21,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 11:56:21,112 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 11:56:21,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:56:07" (3/4) ... [2025-03-03 11:56:21,114 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 11:56:21,122 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2025-03-03 11:56:21,123 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-03 11:56:21,123 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 11:56:21,123 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 11:56:21,186 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 11:56:21,186 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 11:56:21,186 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 11:56:21,187 INFO L158 Benchmark]: Toolchain (without parser) took 34470.71ms. Allocated memory is still 109.1MB. Free memory was 84.2MB in the beginning and 35.6MB in the end (delta: 48.5MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2025-03-03 11:56:21,187 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:56:21,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.14ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 69.4MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 11:56:21,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.31ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 67.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:56:21,188 INFO L158 Benchmark]: Boogie Preprocessor took 72.02ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 63.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:56:21,189 INFO L158 Benchmark]: IcfgBuilder took 20547.78ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 40.4MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 11:56:21,189 INFO L158 Benchmark]: TraceAbstraction took 13474.07ms. Allocated memory is still 109.1MB. Free memory was 39.7MB in the beginning and 43.2MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:56:21,189 INFO L158 Benchmark]: Witness Printer took 75.00ms. Allocated memory is still 109.1MB. Free memory was 43.2MB in the beginning and 35.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 11:56:21,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 61.6MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.14ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 69.4MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.31ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 67.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.02ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 63.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 20547.78ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 40.4MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13474.07ms. Allocated memory is still 109.1MB. Free memory was 39.7MB in the beginning and 43.2MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.00ms. Allocated memory is still 109.1MB. Free memory was 43.2MB in the beginning and 35.6MB in the end (delta: 7.6MB). 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: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 200]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 900 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 641 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 259 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 1 QuantifiedInterpolants, 381 SizeOfPredicates, 10 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 96]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 165]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 94]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 64]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 87]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 33]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 50]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 162]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-03 11:56:21,325 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