./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:12:32,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:12:32,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:12:32,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:12:32,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:12:32,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:12:32,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:12:32,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:12:32,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:12:32,677 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:12:32,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:12:32,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:12:32,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:12:32,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:12:32,678 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:12:32,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:12:32,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:12:32,678 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:12:32,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:12:32,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:12:32,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:12:32,679 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:32,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:32,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:32,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:12:32,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:12:32,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:12:32,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:12:32,681 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 -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2025-01-09 01:12:32,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:12:33,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:12:33,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:12:33,006 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:12:33,006 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:12:33,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2025-01-09 01:12:34,226 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/377455bbd/01307d0cc7844793835f6ddd49fce1e5/FLAG65b8915d9 [2025-01-09 01:12:34,595 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:12:34,596 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2025-01-09 01:12:34,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/377455bbd/01307d0cc7844793835f6ddd49fce1e5/FLAG65b8915d9 [2025-01-09 01:12:34,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/377455bbd/01307d0cc7844793835f6ddd49fce1e5 [2025-01-09 01:12:34,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:12:34,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:12:34,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:34,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:12:34,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:12:34,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f00722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34, skipping insertion in model container [2025-01-09 01:12:34,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:12:34,780 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2025-01-09 01:12:34,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:34,787 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:12:34,837 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2025-01-09 01:12:34,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:34,849 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:12:34,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34 WrapperNode [2025-01-09 01:12:34,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:34,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:34,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:12:34,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:12:34,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,903 INFO L138 Inliner]: procedures = 18, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 446 [2025-01-09 01:12:34,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:34,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:12:34,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:12:34,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:12:34,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,924 INFO L175 MemorySlicer]: Split 21 memory accesses to 7 slices as follows [2, 2, 5, 3, 3, 3, 3]. 24 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 2, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 0, 1, 2, 1, 2]. [2025-01-09 01:12:34,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,932 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:12:34,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:12:34,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:12:34,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:12:34,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (1/1) ... [2025-01-09 01:12:34,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:34,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:12:34,978 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) [2025-01-09 01:12:34,983 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 [2025-01-09 01:12:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:12:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 01:12:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 01:12:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 01:12:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 01:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 01:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 01:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 01:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 01:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 01:12:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 01:12:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 01:12:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-01-09 01:12:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-01-09 01:12:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-01-09 01:12:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-01-09 01:12:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:12:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-01-09 01:12:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:12:35,106 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:12:35,107 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:12:35,560 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2025-01-09 01:12:35,561 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:12:35,573 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:12:35,573 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2025-01-09 01:12:35,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:35 BoogieIcfgContainer [2025-01-09 01:12:35,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:12:35,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:12:35,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:12:35,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:12:35,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:12:34" (1/3) ... [2025-01-09 01:12:35,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1415d73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:35, skipping insertion in model container [2025-01-09 01:12:35,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:34" (2/3) ... [2025-01-09 01:12:35,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1415d73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:35, skipping insertion in model container [2025-01-09 01:12:35,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:35" (3/3) ... [2025-01-09 01:12:35,583 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2025-01-09 01:12:35,593 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:12:35,594 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1131b.c that has 1 procedures, 160 locations, 1 initial locations, 16 loop locations, and 6 error locations. [2025-01-09 01:12:35,642 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:12:35,650 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;@7bed1a37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:12:35,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-09 01:12:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 153 states have (on average 1.6339869281045751) internal successors, (250), 159 states have internal predecessors, (250), 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) [2025-01-09 01:12:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:12:35,658 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:35,658 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:12:35,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 3 more)] === [2025-01-09 01:12:35,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:35,663 INFO L85 PathProgramCache]: Analyzing trace with hash 925638, now seen corresponding path program 1 times [2025-01-09 01:12:35,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:12:35,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800884010] [2025-01-09 01:12:35,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:35,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:12:35,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:12:35,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:12:35,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:35,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:12:35,755 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:12:35,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:12:35,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:12:35,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:35,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:12:35,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:12:35,777 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:12:35,778 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 6 remaining) [2025-01-09 01:12:35,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 6 remaining) [2025-01-09 01:12:35,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 6 remaining) [2025-01-09 01:12:35,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 6 remaining) [2025-01-09 01:12:35,779 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 6 remaining) [2025-01-09 01:12:35,780 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2025-01-09 01:12:35,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:12:35,783 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:12:35,795 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:12:35,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:12:35 BoogieIcfgContainer [2025-01-09 01:12:35,798 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:12:35,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:12:35,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:12:35,799 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:12:35,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:35" (3/4) ... [2025-01-09 01:12:35,802 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:12:35,802 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:12:35,803 INFO L158 Benchmark]: Toolchain (without parser) took 1179.94ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 99.0MB in the end (delta: 5.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2025-01-09 01:12:35,803 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:35,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.59ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 90.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:12:35,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.55ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 87.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:35,804 INFO L158 Benchmark]: Boogie Preprocessor took 46.16ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 82.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:12:35,806 INFO L158 Benchmark]: RCFGBuilder took 622.80ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 45.1MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 01:12:35,806 INFO L158 Benchmark]: TraceAbstraction took 221.59ms. Allocated memory is still 142.6MB. Free memory was 44.2MB in the beginning and 99.0MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:35,806 INFO L158 Benchmark]: Witness Printer took 3.49ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 99.0MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:12:35,807 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.59ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 90.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.55ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 87.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.16ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 82.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 622.80ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 45.1MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 221.59ms. Allocated memory is still 142.6MB. Free memory was 44.2MB in the beginning and 99.0MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.49ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 99.0MB in the end (delta: 41.6kB). 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: 165]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 179, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 165, overapproximation of someUnaryDOUBLEoperation at line 19. Possible FailurePath: [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L179] double y = -1.0 / 0.0; [L180] double x = __VERIFIER_nondet_double(); [L182] CALL isfinite_double(x) [L163] __int32_t hx; VAL [Zero_fmod={4:0}, one_fmod=1] [L165] ieee_double_shape_type gh_u; VAL [Zero_fmod={4:0}, one_fmod=1] - UnprovableResult [Line: 27]: 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: 33]: 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: 134]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 152]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 188]: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 160 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred 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 [2025-01-09 01:12:35,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:12:37,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:12:38,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:12:38,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:12:38,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:12:38,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:12:38,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:12:38,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:12:38,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:12:38,025 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:12:38,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:12:38,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:12:38,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:12:38,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:12:38,025 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:12:38,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:12:38,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:12:38,025 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:12:38,026 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:38,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:38,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:38,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:38,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:12:38,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:12:38,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:12:38,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:12:38,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:38,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:12:38,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:12:38,028 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 -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2025-01-09 01:12:38,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:12:38,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:12:38,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:12:38,269 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:12:38,270 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:12:38,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2025-01-09 01:12:39,456 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1734e0bf5/5f8cda5f0a7b421b9c8a7a9c6cc3c86f/FLAG606e224f4 [2025-01-09 01:12:39,697 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:12:39,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2025-01-09 01:12:39,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1734e0bf5/5f8cda5f0a7b421b9c8a7a9c6cc3c86f/FLAG606e224f4 [2025-01-09 01:12:39,718 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1734e0bf5/5f8cda5f0a7b421b9c8a7a9c6cc3c86f [2025-01-09 01:12:39,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:12:39,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:12:39,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:39,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:12:39,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:12:39,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:39,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c93ed73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39, skipping insertion in model container [2025-01-09 01:12:39,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:39,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:12:39,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2025-01-09 01:12:39,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:39,904 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:12:39,934 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c[4119,4132] [2025-01-09 01:12:39,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:12:39,954 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:12:39,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39 WrapperNode [2025-01-09 01:12:39,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:12:39,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:39,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:12:39,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:12:39,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:39,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:39,986 INFO L138 Inliner]: procedures = 21, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 222 [2025-01-09 01:12:39,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:12:39,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:12:39,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:12:39,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:12:39,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:39,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:39,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,008 INFO L175 MemorySlicer]: Split 21 memory accesses to 7 slices as follows [2, 3, 5, 3, 3, 3, 2]. 24 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 2, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 0, 2, 1, 2, 1]. [2025-01-09 01:12:40,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:12:40,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:12:40,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:12:40,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:12:40,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (1/1) ... [2025-01-09 01:12:40,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:12:40,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:12:40,059 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) [2025-01-09 01:12:40,071 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 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-01-09 01:12:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2025-01-09 01:12:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:12:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 01:12:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 01:12:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 01:12:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 01:12:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 01:12:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 01:12:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-01-09 01:12:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:12:40,173 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:12:40,174 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:12:45,602 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2025-01-09 01:12:45,603 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:12:45,616 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:12:45,616 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2025-01-09 01:12:45,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:45 BoogieIcfgContainer [2025-01-09 01:12:45,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:12:45,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:12:45,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:12:45,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:12:45,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:12:39" (1/3) ... [2025-01-09 01:12:45,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2331b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:45, skipping insertion in model container [2025-01-09 01:12:45,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:12:39" (2/3) ... [2025-01-09 01:12:45,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2331b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:12:45, skipping insertion in model container [2025-01-09 01:12:45,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:45" (3/3) ... [2025-01-09 01:12:45,624 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2025-01-09 01:12:45,633 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:12:45,634 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1131b.c that has 1 procedures, 57 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-01-09 01:12:45,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:12:45,672 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;@74f34f15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:12:45,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:12:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 55 states have (on average 1.7454545454545454) internal successors, (96), 56 states have internal predecessors, (96), 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) [2025-01-09 01:12:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-09 01:12:45,678 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:45,678 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:45,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:45,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:45,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1842007834, now seen corresponding path program 1 times [2025-01-09 01:12:45,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:45,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013415427] [2025-01-09 01:12:45,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:45,689 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 [2025-01-09 01:12:45,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:45,692 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) [2025-01-09 01:12:45,694 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 [2025-01-09 01:12:45,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-09 01:12:46,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-09 01:12:46,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:46,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:46,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:12:46,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:46,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:46,462 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:46,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2013415427] [2025-01-09 01:12:46,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2013415427] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:46,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:46,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:12:46,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171763223] [2025-01-09 01:12:46,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:46,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:12:46,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:46,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:12:46,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:12:46,480 INFO L87 Difference]: Start difference. First operand has 57 states, 55 states have (on average 1.7454545454545454) internal successors, (96), 56 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:46,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:12:46,491 INFO L93 Difference]: Finished difference Result 112 states and 190 transitions. [2025-01-09 01:12:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:12:46,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-01-09 01:12:46,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:12:46,497 INFO L225 Difference]: With dead ends: 112 [2025-01-09 01:12:46,497 INFO L226 Difference]: Without dead ends: 53 [2025-01-09 01:12:46,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:12:46,501 INFO L435 NwaCegarLoop]: 84 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, 84 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 [2025-01-09 01:12:46,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:12:46,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-01-09 01:12:46,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-01-09 01:12:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 52 states have internal predecessors, (79), 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) [2025-01-09 01:12:46,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 79 transitions. [2025-01-09 01:12:46,520 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 79 transitions. Word has length 13 [2025-01-09 01:12:46,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:12:46,521 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 79 transitions. [2025-01-09 01:12:46,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:12:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2025-01-09 01:12:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-09 01:12:46,521 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:12:46,521 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:12:46,540 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 [2025-01-09 01:12:46,726 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 [2025-01-09 01:12:46,726 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:12:46,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:12:46,727 INFO L85 PathProgramCache]: Analyzing trace with hash 589219097, now seen corresponding path program 1 times [2025-01-09 01:12:46,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:12:46,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056350616] [2025-01-09 01:12:46,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:12:46,728 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 [2025-01-09 01:12:46,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:12:46,730 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) [2025-01-09 01:12:46,732 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 [2025-01-09 01:12:46,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-09 01:12:47,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-09 01:12:47,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:12:47,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:12:47,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-09 01:12:47,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:12:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:12:56,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:12:56,289 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:12:56,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056350616] [2025-01-09 01:12:56,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056350616] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:12:56,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:12:56,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-09 01:12:56,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145749550] [2025-01-09 01:12:56,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:12:56,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-09 01:12:56,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:12:56,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-09 01:12:56,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=72, Unknown=1, NotChecked=0, Total=90 [2025-01-09 01:12:56,291 INFO L87 Difference]: Start difference. First operand 53 states and 79 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:01,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:13:07,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:13:19,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:13:24,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:13:28,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-01-09 01:13:28,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:13:28,684 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2025-01-09 01:13:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 01:13:28,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-01-09 01:13:28,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:13:28,685 INFO L225 Difference]: With dead ends: 57 [2025-01-09 01:13:28,686 INFO L226 Difference]: Without dead ends: 19 [2025-01-09 01:13:28,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=39, Invalid=168, Unknown=3, NotChecked=0, Total=210 [2025-01-09 01:13:28,688 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2025-01-09 01:13:28,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 53 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 5 Unknown, 0 Unchecked, 22.1s Time] [2025-01-09 01:13:28,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-01-09 01:13:28,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-01-09 01:13:28,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2025-01-09 01:13:28,696 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 16 [2025-01-09 01:13:28,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:13:28,696 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2025-01-09 01:13:28,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2025-01-09 01:13:28,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-09 01:13:28,697 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:13:28,697 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:13:28,720 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 [2025-01-09 01:13:28,898 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 [2025-01-09 01:13:28,898 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:13:28,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:13:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash -815231340, now seen corresponding path program 1 times [2025-01-09 01:13:28,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:13:28,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923278080] [2025-01-09 01:13:28,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:13:28,902 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 [2025-01-09 01:13:28,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:13:28,905 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2025-01-09 01:13:28,906 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 (4)] Waiting until timeout for monitored process [2025-01-09 01:13:28,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-09 01:13:28,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-09 01:13:28,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:13:28,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:13:28,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-09 01:13:29,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:13:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:13:32,633 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:13:32,633 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:13:32,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923278080] [2025-01-09 01:13:32,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923278080] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:13:32,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:13:32,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-09 01:13:32,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050534520] [2025-01-09 01:13:32,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:13:32,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 01:13:32,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:13:32,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 01:13:32,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 01:13:32,634 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:34,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:13:34,439 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2025-01-09 01:13:34,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 01:13:34,440 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-01-09 01:13:34,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:13:34,440 INFO L225 Difference]: With dead ends: 19 [2025-01-09 01:13:34,441 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 01:13:34,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-01-09 01:13:34,441 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-09 01:13:34,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 57 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-09 01:13:34,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 01:13:34,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 01:13:34,444 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) [2025-01-09 01:13:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 01:13:34,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2025-01-09 01:13:34,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:13:34,444 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 01:13:34,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:13:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 01:13:34,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 01:13:34,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 01:13:34,452 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 (4)] Ended with exit code 0 [2025-01-09 01:13:34,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2025-01-09 01:13:34,651 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 01:13:34,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 01:13:43,564 WARN L286 SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2025-01-09 01:13:43,952 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:13:43,961 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:13:43,961 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:13:43,961 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:13:43,962 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:13:43,963 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:13:43,963 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:13:43,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:13:43 BoogieIcfgContainer [2025-01-09 01:13:43,963 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:13:43,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:13:43,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:13:43,964 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:13:43,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:12:45" (3/4) ... [2025-01-09 01:13:43,967 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 01:13:43,976 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-01-09 01:13:43,978 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-01-09 01:13:43,978 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 01:13:43,978 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 01:13:44,053 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 01:13:44,053 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 01:13:44,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:13:44,056 INFO L158 Benchmark]: Toolchain (without parser) took 64332.42ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 34.1MB in the end (delta: 57.3MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2025-01-09 01:13:44,056 INFO L158 Benchmark]: CDTParser took 1.84ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:44,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.88ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 76.8MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:13:44,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.73ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:44,057 INFO L158 Benchmark]: Boogie Preprocessor took 46.04ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 71.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:13:44,057 INFO L158 Benchmark]: RCFGBuilder took 5583.28ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 47.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:13:44,059 INFO L158 Benchmark]: TraceAbstraction took 58344.66ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 41.3MB in the end (delta: 5.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2025-01-09 01:13:44,059 INFO L158 Benchmark]: Witness Printer took 89.72ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 34.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:13:44,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.88ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 76.8MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.73ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.04ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 71.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5583.28ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 47.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 58344.66ms. Allocated memory is still 117.4MB. Free memory was 46.3MB in the beginning and 41.3MB in the end (delta: 5.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 89.72ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 34.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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: 188]: 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, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 23.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 23.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 101 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 25 QuantifiedInterpolants, 783 SizeOfPredicates, 11 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 01:13:44,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE