./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1122b.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/float_req_bl_1122b.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 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:48:53,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:48:53,338 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:48:53,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:48:53,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:48:53,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:48:53,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:48:53,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:48:53,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:48:53,392 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:48:53,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:48:53,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:48:53,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:48:53,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:48:53,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:48:53,397 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:48:53,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:53,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:48:53,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:48:53,398 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 -> 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc [2025-02-07 18:48:53,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:48:53,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:48:53,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:48:53,839 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:48:53,840 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:48:53,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2025-02-07 18:48:55,290 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6cc31e5e/b6e51931ce2e456bb2335d0c66f6214a/FLAG17af51683 [2025-02-07 18:48:55,552 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:48:55,553 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2025-02-07 18:48:55,558 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6cc31e5e/b6e51931ce2e456bb2335d0c66f6214a/FLAG17af51683 [2025-02-07 18:48:55,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6cc31e5e/b6e51931ce2e456bb2335d0c66f6214a [2025-02-07 18:48:55,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:48:55,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:48:55,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:55,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:48:55,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:48:55,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11007cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55, skipping insertion in model container [2025-02-07 18:48:55,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:48:55,735 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/float_req_bl_1122b.c[2726,2739] [2025-02-07 18:48:55,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:55,741 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:48:55,759 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/float_req_bl_1122b.c[2726,2739] [2025-02-07 18:48:55,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:55,773 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:48:55,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55 WrapperNode [2025-02-07 18:48:55,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:55,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:55,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:48:55,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:48:55,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,813 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 233 [2025-02-07 18:48:55,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:55,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:48:55,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:48:55,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:48:55,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,851 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 2, 5, 2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 2, 0, 0, 0]. The 4 writes are split as follows [0, 1, 0, 1, 1, 1]. [2025-02-07 18:48:55,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:48:55,874 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:48:55,874 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:48:55,874 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:48:55,875 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (1/1) ... [2025-02-07 18:48:55,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:55,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:48:55,898 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 18:48:55,904 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 18:48:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:48:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:48:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:48:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:48:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:48:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:48:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:48:55,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:48:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:48:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:48:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:48:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:48:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:48:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:48:55,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:48:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:48:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:48:55,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:48:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:48:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:48:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:48:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:48:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:48:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:48:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-07 18:48:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-07 18:48:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-07 18:48:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-07 18:48:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-07 18:48:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-07 18:48:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:48:56,013 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:48:56,020 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:48:56,373 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2025-02-07 18:48:56,373 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:48:56,405 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:48:56,406 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:48:56,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:56 BoogieIcfgContainer [2025-02-07 18:48:56,407 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:48:56,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:48:56,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:48:56,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:48:56,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:48:55" (1/3) ... [2025-02-07 18:48:56,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c5439a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:56, skipping insertion in model container [2025-02-07 18:48:56,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:55" (2/3) ... [2025-02-07 18:48:56,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c5439a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:56, skipping insertion in model container [2025-02-07 18:48:56,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:56" (3/3) ... [2025-02-07 18:48:56,414 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2025-02-07 18:48:56,423 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:48:56,424 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1122b.c that has 1 procedures, 84 locations, 1 initial locations, 12 loop locations, and 5 error locations. [2025-02-07 18:48:56,466 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:48:56,475 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;@8b6449b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:48:56,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-07 18:48:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 83 states have internal predecessors, (127), 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 18:48:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:48:56,482 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:48:56,483 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:48:56,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2025-02-07 18:48:56,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:48:56,488 INFO L85 PathProgramCache]: Analyzing trace with hash 5415966, now seen corresponding path program 1 times [2025-02-07 18:48:56,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:48:56,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203935472] [2025-02-07 18:48:56,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:48:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:48:56,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:48:56,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:48:56,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:48:56,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:48:56,556 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:48:56,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:48:56,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:48:56,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:48:56,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:48:56,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:48:56,579 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:48:56,579 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 5 remaining) [2025-02-07 18:48:56,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2025-02-07 18:48:56,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 5 remaining) [2025-02-07 18:48:56,581 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 5 remaining) [2025-02-07 18:48:56,581 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 5 remaining) [2025-02-07 18:48:56,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:48:56,583 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:48:56,592 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:48:56,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:48:56 BoogieIcfgContainer [2025-02-07 18:48:56,594 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:48:56,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:48:56,594 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:48:56,594 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:48:56,595 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:56" (3/4) ... [2025-02-07 18:48:56,596 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:48:56,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:48:56,597 INFO L158 Benchmark]: Toolchain (without parser) took 1026.29ms. Allocated memory is still 201.3MB. Free memory was 158.6MB in the beginning and 101.8MB in the end (delta: 56.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 18:48:56,597 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 218.1MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:56,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.20ms. Allocated memory is still 201.3MB. Free memory was 158.2MB in the beginning and 145.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:48:56,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.12ms. Allocated memory is still 201.3MB. Free memory was 145.6MB in the beginning and 143.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:48:56,598 INFO L158 Benchmark]: Boogie Preprocessor took 56.42ms. Allocated memory is still 201.3MB. Free memory was 143.4MB in the beginning and 140.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:56,598 INFO L158 Benchmark]: IcfgBuilder took 532.89ms. Allocated memory is still 201.3MB. Free memory was 140.9MB in the beginning and 115.4MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:48:56,598 INFO L158 Benchmark]: TraceAbstraction took 184.91ms. Allocated memory is still 201.3MB. Free memory was 115.0MB in the beginning and 101.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:56,599 INFO L158 Benchmark]: Witness Printer took 2.47ms. Allocated memory is still 201.3MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:56,600 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 218.1MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.20ms. Allocated memory is still 201.3MB. Free memory was 158.2MB in the beginning and 145.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.12ms. Allocated memory is still 201.3MB. Free memory was 145.6MB in the beginning and 143.4MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.42ms. Allocated memory is still 201.3MB. Free memory was 143.4MB in the beginning and 140.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 532.89ms. Allocated memory is still 201.3MB. Free memory was 140.9MB in the beginning and 115.4MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 184.91ms. Allocated memory is still 201.3MB. Free memory was 115.0MB in the beginning and 101.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.47ms. Allocated memory is still 201.3MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 23]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 23, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L119] float x = -1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L121] CALL fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [Zero_fmod={4:0}, one_fmod=1, x=3] [L26] COND TRUE 0 VAL [Zero_fmod={4:0}, one_fmod=1] [L23] ieee_float_shape_type gf_u; VAL [Zero_fmod={4:0}, one_fmod=1, x=3] - UnprovableResult [Line: 125]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 18:48:56,611 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/float_req_bl_1122b.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 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:48:58,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:48:58,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:48:58,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:48:58,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:48:58,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:48:58,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:48:58,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:48:58,835 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:48:58,835 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:48:58,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:48:58,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:48:58,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:48:58,836 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:48:58,837 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:58,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:48:58,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:48:58,839 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:48:58,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:48:58,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:48:58,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:48:58,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:48:58,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:48:58,839 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 -> 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc [2025-02-07 18:48:59,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:48:59,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:48:59,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:48:59,065 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:48:59,065 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:48:59,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2025-02-07 18:49:00,333 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8e214909/971757c9ddf149f8aac9cd85298f7b91/FLAG88f2d93bf [2025-02-07 18:49:00,528 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:49:00,530 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2025-02-07 18:49:00,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8e214909/971757c9ddf149f8aac9cd85298f7b91/FLAG88f2d93bf [2025-02-07 18:49:00,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8e214909/971757c9ddf149f8aac9cd85298f7b91 [2025-02-07 18:49:00,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:49:00,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:49:00,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:00,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:49:00,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:49:00,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:00" (1/1) ... [2025-02-07 18:49:00,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1361a2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:00, skipping insertion in model container [2025-02-07 18:49:00,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:00" (1/1) ... [2025-02-07 18:49:00,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:49:01,080 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/float_req_bl_1122b.c[2726,2739] [2025-02-07 18:49:01,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:01,094 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:49:01,117 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/float_req_bl_1122b.c[2726,2739] [2025-02-07 18:49:01,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:01,137 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:49:01,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01 WrapperNode [2025-02-07 18:49:01,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:01,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:01,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:49:01,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:49:01,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,163 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 159 [2025-02-07 18:49:01,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:01,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:49:01,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:49:01,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:49:01,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,189 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 2, 2, 5, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0]. The 4 writes are split as follows [0, 1, 1, 0, 1, 1]. [2025-02-07 18:49:01,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,199 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:49:01,205 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:49:01,205 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:49:01,205 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:49:01,206 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (1/1) ... [2025-02-07 18:49:01,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:01,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:49:01,230 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 18:49:01,237 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 18:49:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:49:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 18:49:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:49:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:49:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:49:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:49:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:49:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:49:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:49:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:49:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:49:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:49:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:49:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:49:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:49:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:49:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:49:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:49:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:49:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:49:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:49:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:49:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:49:01,363 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:49:01,364 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:49:02,592 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2025-02-07 18:49:02,592 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:49:02,598 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:49:02,598 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:49:02,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:02 BoogieIcfgContainer [2025-02-07 18:49:02,598 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:49:02,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:49:02,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:49:02,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:49:02,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:49:00" (1/3) ... [2025-02-07 18:49:02,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b019c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:02, skipping insertion in model container [2025-02-07 18:49:02,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:01" (2/3) ... [2025-02-07 18:49:02,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b019c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:02, skipping insertion in model container [2025-02-07 18:49:02,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:02" (3/3) ... [2025-02-07 18:49:02,605 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2025-02-07 18:49:02,633 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:49:02,635 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1122b.c that has 1 procedures, 38 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2025-02-07 18:49:02,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:49:02,684 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;@322bf82b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:49:02,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:49:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 37 states have internal predecessors, (61), 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 18:49:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-07 18:49:02,692 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:49:02,692 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] [2025-02-07 18:49:02,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:49:02,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:49:02,697 INFO L85 PathProgramCache]: Analyzing trace with hash 902125141, now seen corresponding path program 1 times [2025-02-07 18:49:02,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:49:02,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696739257] [2025-02-07 18:49:02,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:49:02,704 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 18:49:02,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:49:02,706 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 18:49:02,708 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 18:49:02,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-07 18:49:02,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-07 18:49:02,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:49:02,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:49:02,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 18:49:02,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:49:02,803 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 18:49:02,804 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:49:02,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:49:02,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696739257] [2025-02-07 18:49:02,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696739257] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:49:02,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:49:02,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 18:49:02,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52534285] [2025-02-07 18:49:02,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:49:02,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 18:49:02,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:49:02,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 18:49:02,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:49:02,821 INFO L87 Difference]: Start difference. First operand has 38 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 37 states have internal predecessors, (61), 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 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 18:49:02,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:49:02,830 INFO L93 Difference]: Finished difference Result 74 states and 121 transitions. [2025-02-07 18:49:02,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 18:49:02,832 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2025-02-07 18:49:02,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:49:02,836 INFO L225 Difference]: With dead ends: 74 [2025-02-07 18:49:02,836 INFO L226 Difference]: Without dead ends: 34 [2025-02-07 18:49:02,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 18:49:02,839 INFO L435 NwaCegarLoop]: 51 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, 51 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 18:49:02,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 18:49:02,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-02-07 18:49:02,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2025-02-07 18:49:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 33 states have internal predecessors, (44), 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 18:49:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2025-02-07 18:49:02,858 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 22 [2025-02-07 18:49:02,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:49:02,858 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2025-02-07 18:49:02,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 18:49:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2025-02-07 18:49:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-07 18:49:02,859 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:49:02,859 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] [2025-02-07 18:49:02,863 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 18:49:03,060 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 18:49:03,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:49:03,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:49:03,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1710752802, now seen corresponding path program 1 times [2025-02-07 18:49:03,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:49:03,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449024194] [2025-02-07 18:49:03,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:49:03,062 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 18:49:03,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:49:03,064 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 18:49:03,066 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 18:49:03,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-07 18:49:03,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-07 18:49:03,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:49:03,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:49:03,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-07 18:49:03,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:49:03,456 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 18:49:03,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:49:03,456 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:49:03,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449024194] [2025-02-07 18:49:03,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449024194] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:49:03,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:49:03,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 18:49:03,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607907434] [2025-02-07 18:49:03,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:49:03,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 18:49:03,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:49:03,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 18:49:03,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 18:49:03,458 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:49:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:49:03,629 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2025-02-07 18:49:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 18:49:03,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-02-07 18:49:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:49:03,630 INFO L225 Difference]: With dead ends: 34 [2025-02-07 18:49:03,630 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 18:49:03,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-07 18:49:03,630 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-07 18:49:03,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-07 18:49:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 18:49:03,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 18:49:03,631 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 18:49:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 18:49:03,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2025-02-07 18:49:03,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:49:03,631 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 18:49:03,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:49:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 18:49:03,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:49:03,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:49:03,639 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 (3)] Ended with exit code 0 [2025-02-07 18:49:03,834 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 18:49:03,837 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-07 18:49:03,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 18:49:03,895 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:49:03,901 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:49:03,902 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:49:03,902 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:49:03,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:49:03 BoogieIcfgContainer [2025-02-07 18:49:03,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:49:03,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:49:03,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:49:03,904 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:49:03,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:02" (3/4) ... [2025-02-07 18:49:03,906 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:49:03,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-02-07 18:49:03,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 18:49:03,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 18:49:03,912 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:49:04,003 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:49:04,003 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:49:04,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:49:04,004 INFO L158 Benchmark]: Toolchain (without parser) took 3101.92ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 47.4MB in the end (delta: 12.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,007 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:04,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.57ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 46.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.52ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 44.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,008 INFO L158 Benchmark]: Boogie Preprocessor took 40.58ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 41.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:04,008 INFO L158 Benchmark]: IcfgBuilder took 1393.53ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 23.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,008 INFO L158 Benchmark]: TraceAbstraction took 1303.40ms. Allocated memory is still 83.9MB. Free memory was 22.4MB in the beginning and 54.0MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:04,008 INFO L158 Benchmark]: Witness Printer took 99.03ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 47.4MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:04,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.57ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 46.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.52ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 44.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.58ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 41.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1393.53ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 23.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1303.40ms. Allocated memory is still 83.9MB. Free memory was 22.4MB in the beginning and 54.0MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.03ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 47.4MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 125]: 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, 38 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, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 55 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 46 ConstructedInterpolants, 6 QuantifiedInterpolants, 138 SizeOfPredicates, 5 NumberOfNonLiveVariables, 159 ConjunctsInSsa, 11 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: 84]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 67]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 49]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 43]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 90]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 99]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-07 18:49:04,057 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