./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:38:36,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:38:36,681 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:38:36,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:38:36,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:38:36,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:38:36,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:38:36,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:38:36,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:38:36,699 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:38:36,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:38:36,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:38:36,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:38:36,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:38:36,699 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:38:36,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:38:36,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:38:36,700 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:38:36,700 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:38:36,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:38:36,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:38:36,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:38:36,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:38:36,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:38:36,702 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 [2025-02-07 18:38:36,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:38:36,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:38:36,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:38:36,942 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:38:36,942 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:38:36,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2025-02-07 18:38:38,082 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd51e917a/6df6ec3af5674ea19bd105b79e3b5043/FLAG1b02218b1 [2025-02-07 18:38:38,356 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:38:38,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2025-02-07 18:38:38,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd51e917a/6df6ec3af5674ea19bd105b79e3b5043/FLAG1b02218b1 [2025-02-07 18:38:38,659 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd51e917a/6df6ec3af5674ea19bd105b79e3b5043 [2025-02-07 18:38:38,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:38:38,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:38:38,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:38:38,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:38:38,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:38:38,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:38,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e878d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38, skipping insertion in model container [2025-02-07 18:38:38,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:38,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:38:38,841 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2025-02-07 18:38:38,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:38:38,851 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:38:38,890 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2025-02-07 18:38:38,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:38:38,909 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:38:38,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38 WrapperNode [2025-02-07 18:38:38,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:38:38,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:38:38,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:38:38,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:38:38,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:38,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:38,963 INFO L138 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 345 [2025-02-07 18:38:38,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:38:38,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:38:38,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:38:38,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:38:38,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:38,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:38,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:39,007 INFO L175 MemorySlicer]: Split 11 memory accesses to 4 slices as follows [2, 3, 3, 3]. 27 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 1, 2, 1]. [2025-02-07 18:38:39,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:39,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:39,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:39,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:39,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:39,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:39,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:38:39,043 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:38:39,043 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:38:39,043 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:38:39,044 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (1/1) ... [2025-02-07 18:38:39,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:38:39,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:38:39,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:38:39,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:38:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:38:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:38:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:38:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:38:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:38:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:38:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:38:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:38:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:38:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:38:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:38:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:38:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:38:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:38:39,201 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:38:39,203 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:38:39,591 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L146: havoc isinf_double_#t~bitwise30#1; [2025-02-07 18:38:39,603 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-02-07 18:38:39,603 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:38:39,627 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:38:39,627 INFO L337 CfgBuilder]: Removed 2 assume(true) statements. [2025-02-07 18:38:39,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:38:39 BoogieIcfgContainer [2025-02-07 18:38:39,627 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:38:39,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:38:39,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:38:39,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:38:39,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:38:38" (1/3) ... [2025-02-07 18:38:39,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e1a8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:38:39, skipping insertion in model container [2025-02-07 18:38:39,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:38" (2/3) ... [2025-02-07 18:38:39,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e1a8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:38:39, skipping insertion in model container [2025-02-07 18:38:39,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:38:39" (3/3) ... [2025-02-07 18:38:39,634 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2025-02-07 18:38:39,645 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:38:39,646 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0730a.c that has 1 procedures, 128 locations, 1 initial locations, 10 loop locations, and 4 error locations. [2025-02-07 18:38:39,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:38:39,737 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;@4c7a7470, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:38:39,737 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-07 18:38:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 121 states have (on average 1.6115702479338843) internal successors, (195), 127 states have internal predecessors, (195), 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) [2025-02-07 18:38:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:38:39,749 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:38:39,749 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:38:39,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-07 18:38:39,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:38:39,754 INFO L85 PathProgramCache]: Analyzing trace with hash 7786334, now seen corresponding path program 1 times [2025-02-07 18:38:39,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:38:39,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302090961] [2025-02-07 18:38:39,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:38:39,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:38:39,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:38:39,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:38:39,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:38:39,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:38:39,828 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:38:39,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:38:39,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:38:39,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:38:39,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:38:39,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:38:39,853 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:38:39,854 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 4 remaining) [2025-02-07 18:38:39,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-02-07 18:38:39,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 4 remaining) [2025-02-07 18:38:39,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 4 remaining) [2025-02-07 18:38:39,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:38:39,862 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:38:39,873 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:38:39,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:38:39 BoogieIcfgContainer [2025-02-07 18:38:39,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:38:39,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:38:39,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:38:39,878 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:38:39,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:38:39" (3/4) ... [2025-02-07 18:38:39,882 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:38:39,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:38:39,884 INFO L158 Benchmark]: Toolchain (without parser) took 1221.43ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 53.2MB in the end (delta: 71.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-07 18:38:39,884 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:38:39,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.66ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 110.9MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:38:39,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.52ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:38:39,886 INFO L158 Benchmark]: Boogie Preprocessor took 75.72ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 103.9MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:38:39,886 INFO L158 Benchmark]: IcfgBuilder took 584.88ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 67.0MB in the end (delta: 36.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 18:38:39,886 INFO L158 Benchmark]: TraceAbstraction took 247.94ms. Allocated memory is still 167.8MB. Free memory was 66.4MB in the beginning and 53.2MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:38:39,887 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 167.8MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:38:39,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.66ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 110.9MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.52ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 108.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.72ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 103.9MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 584.88ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 67.0MB in the end (delta: 36.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 247.94ms. Allocated memory is still 167.8MB. Free memory was 66.4MB in the beginning and 53.2MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 167.8MB. Free memory is still 53.2MB. 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: 31]: 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 someBinaryArithmeticDOUBLEoperation at line 157, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 31. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L157] double x = 1.0 / 0.0; [L158] CALL __ieee754_sqrt(x) [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=52] [L35] COND TRUE 0 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] ieee_double_shape_type ew_u; VAL [one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=52] - UnprovableResult [Line: 162]: 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: 138]: 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: 126]: 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, 128 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=128occurred 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, 4 NumberOfCodeBlocks, 4 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 [2025-02-07 18:38:39,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:38:41,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:38:42,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:38:42,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:38:42,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:38:42,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:38:42,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:38:42,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:38:42,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:38:42,096 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:38:42,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:38:42,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:38:42,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:38:42,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:38:42,097 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:38:42,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:38:42,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:38:42,098 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:38:42,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:38:42,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:38:42,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:38:42,099 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:38:42,099 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:38:42,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:38:42,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:38:42,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:38:42,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:38:42,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:38:42,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:38:42,100 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:38:42,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:38:42,101 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:38:42,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:38:42,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:38:42,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:38:42,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:38:42,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:38:42,101 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f30b944defc533c0c8d7b32fd32a0167e19c43437457905bc3a34530c4363136 [2025-02-07 18:38:42,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:38:42,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:38:42,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:38:42,396 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:38:42,396 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:38:42,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2025-02-07 18:38:43,597 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67ac8daf0/744d98f0fb1d403ba9ec6688e50b4244/FLAG5af88f6ee [2025-02-07 18:38:43,812 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:38:43,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2025-02-07 18:38:43,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67ac8daf0/744d98f0fb1d403ba9ec6688e50b4244/FLAG5af88f6ee [2025-02-07 18:38:44,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67ac8daf0/744d98f0fb1d403ba9ec6688e50b4244 [2025-02-07 18:38:44,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:38:44,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:38:44,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:38:44,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:38:44,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:38:44,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab4b8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44, skipping insertion in model container [2025-02-07 18:38:44,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:38:44,309 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2025-02-07 18:38:44,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:38:44,328 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:38:44,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c[3437,3450] [2025-02-07 18:38:44,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:38:44,373 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:38:44,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44 WrapperNode [2025-02-07 18:38:44,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:38:44,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:38:44,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:38:44,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:38:44,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,401 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2025-02-07 18:38:44,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:38:44,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:38:44,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:38:44,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:38:44,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,418 INFO L175 MemorySlicer]: Split 11 memory accesses to 4 slices as follows [2, 3, 3, 3]. 27 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 4 writes are split as follows [0, 2, 1, 1]. [2025-02-07 18:38:44,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,426 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:38:44,431 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:38:44,431 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:38:44,431 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:38:44,432 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (1/1) ... [2025-02-07 18:38:44,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:38:44,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:38:44,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:38:44,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:38:44,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:38:44,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:38:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:38:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:38:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:38:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:38:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:38:44,543 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:38:44,544 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:38:50,434 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2025-02-07 18:38:50,435 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:38:50,444 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:38:50,446 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:38:50,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:38:50 BoogieIcfgContainer [2025-02-07 18:38:50,446 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:38:50,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:38:50,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:38:50,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:38:50,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:38:44" (1/3) ... [2025-02-07 18:38:50,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae41d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:38:50, skipping insertion in model container [2025-02-07 18:38:50,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:38:44" (2/3) ... [2025-02-07 18:38:50,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae41d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:38:50, skipping insertion in model container [2025-02-07 18:38:50,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:38:50" (3/3) ... [2025-02-07 18:38:50,456 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2025-02-07 18:38:50,468 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:38:50,469 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0730a.c that has 1 procedures, 46 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-02-07 18:38:50,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:38:50,519 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;@4e754233, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:38:50,519 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:38:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 42 states have (on average 1.6666666666666667) internal successors, (70), 45 states have internal predecessors, (70), 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) [2025-02-07 18:38:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-07 18:38:50,530 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:38:50,531 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:38:50,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:38:50,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:38:50,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2127656128, now seen corresponding path program 1 times [2025-02-07 18:38:50,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:38:50,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393548619] [2025-02-07 18:38:50,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:38:50,543 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 [2025-02-07 18:38:50,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:38:50,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-07 18:38:50,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-07 18:38:50,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-07 18:38:50,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-07 18:38:50,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:38:50,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:38:50,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 18:38:50,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:38:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:38:50,663 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:38:50,664 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:38:50,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393548619] [2025-02-07 18:38:50,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393548619] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:38:50,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:38:50,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 18:38:50,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25471461] [2025-02-07 18:38:50,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:38:50,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 18:38:50,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:38:50,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 18:38:50,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:38:50,689 INFO L87 Difference]: Start difference. First operand has 46 states, 42 states have (on average 1.6666666666666667) internal successors, (70), 45 states have internal predecessors, (70), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:38:50,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:38:50,700 INFO L93 Difference]: Finished difference Result 90 states and 139 transitions. [2025-02-07 18:38:50,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 18:38:50,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-02-07 18:38:50,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:38:50,706 INFO L225 Difference]: With dead ends: 90 [2025-02-07 18:38:50,706 INFO L226 Difference]: Without dead ends: 42 [2025-02-07 18:38:50,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:38:50,734 INFO L435 NwaCegarLoop]: 63 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, 63 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 [2025-02-07 18:38:50,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 18:38:50,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-02-07 18:38:50,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2025-02-07 18:38:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 41 states have internal predecessors, (58), 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) [2025-02-07 18:38:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2025-02-07 18:38:50,755 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 21 [2025-02-07 18:38:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:38:50,756 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2025-02-07 18:38:50,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:38:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2025-02-07 18:38:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-07 18:38:50,757 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:38:50,757 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] [2025-02-07 18:38:50,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-07 18:38:50,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 18:38:50,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:38:50,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:38:50,961 INFO L85 PathProgramCache]: Analyzing trace with hash -750295621, now seen corresponding path program 1 times [2025-02-07 18:38:50,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:38:50,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055415845] [2025-02-07 18:38:50,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:38:50,962 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 [2025-02-07 18:38:50,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:38:50,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-07 18:38:50,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-07 18:38:51,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-07 18:38:51,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-07 18:38:51,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:38:51,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:38:51,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-07 18:38:51,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:38:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:38:51,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:38:51,329 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:38:51,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055415845] [2025-02-07 18:38:51,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055415845] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:38:51,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:38:51,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 18:38:51,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049490047] [2025-02-07 18:38:51,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:38:51,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 18:38:51,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:38:51,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 18:38:51,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 18:38:51,331 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2025-02-07 18:38:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:38:51,453 INFO L93 Difference]: Finished difference Result 42 states and 58 transitions. [2025-02-07 18:38:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 18:38:51,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2025-02-07 18:38:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:38:51,453 INFO L225 Difference]: With dead ends: 42 [2025-02-07 18:38:51,453 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 18:38:51,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 18:38:51,454 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2 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 [2025-02-07 18:38:51,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 18:38:51,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 18:38:51,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 18:38:51,455 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) [2025-02-07 18:38:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 18:38:51,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2025-02-07 18:38:51,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:38:51,455 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 18:38:51,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2025-02-07 18:38:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 18:38:51,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:38:51,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:38:51,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2025-02-07 18:38:51,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-07 18:38:51,664 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 18:38:51,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 18:38:51,752 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:38:51,756 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:38:51,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:38:51 BoogieIcfgContainer [2025-02-07 18:38:51,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:38:51,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:38:51,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:38:51,760 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:38:51,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:38:50" (3/4) ... [2025-02-07 18:38:51,762 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:38:51,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-02-07 18:38:51,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-07 18:38:51,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 18:38:51,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:38:51,829 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:38:51,830 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:38:51,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:38:51,830 INFO L158 Benchmark]: Toolchain (without parser) took 7661.87ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 65.1MB in the end (delta: 27.3MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2025-02-07 18:38:51,831 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:38:51,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.85ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.6MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:38:51,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.15ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:38:51,831 INFO L158 Benchmark]: Boogie Preprocessor took 28.94ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:38:51,831 INFO L158 Benchmark]: IcfgBuilder took 6015.24ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 53.5MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:38:51,831 INFO L158 Benchmark]: TraceAbstraction took 1310.49ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 72.0MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:38:51,832 INFO L158 Benchmark]: Witness Printer took 70.01ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 65.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:38:51,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.85ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.6MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.15ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.94ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 6015.24ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 53.5MB in the end (delta: 20.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1310.49ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 72.0MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.01ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 65.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 162]: 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, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 65 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 3 QuantifiedInterpolants, 89 SizeOfPredicates, 4 NumberOfNonLiveVariables, 152 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 125]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 137]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 74]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 87]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 50]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 55]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-07 18:38:51,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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