./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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/floats-cbmc-regression/float22.i -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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 12:40:42,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 12:40:42,773 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 12:40:42,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 12:40:42,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 12:40:42,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 12:40:42,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 12:40:42,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 12:40:42,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 12:40:42,797 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 12:40:42,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 12:40:42,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 12:40:42,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 12:40:42,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 12:40:42,797 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 12:40:42,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 12:40:42,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 12:40:42,799 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:40:42,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 12:40:42,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 12:40:42,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 12:40:42,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 12:40:42,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 12:40:42,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 12:40:42,800 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 -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2025-02-05 12:40:43,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 12:40:43,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 12:40:43,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 12:40:43,014 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 12:40:43,014 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 12:40:43,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float22.i [2025-02-05 12:40:44,214 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ebafcbe2/e77ff9f63c534b01a5b3cefd2e70f7d7/FLAG1e0a7b849 [2025-02-05 12:40:44,504 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 12:40:44,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i [2025-02-05 12:40:44,518 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ebafcbe2/e77ff9f63c534b01a5b3cefd2e70f7d7/FLAG1e0a7b849 [2025-02-05 12:40:44,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1ebafcbe2/e77ff9f63c534b01a5b3cefd2e70f7d7 [2025-02-05 12:40:44,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 12:40:44,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 12:40:44,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 12:40:44,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 12:40:44,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 12:40:44,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4eb633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44, skipping insertion in model container [2025-02-05 12:40:44,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 12:40:44,666 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/floats-cbmc-regression/float22.i[2558,2571] [2025-02-05 12:40:44,670 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/floats-cbmc-regression/float22.i[2753,2766] [2025-02-05 12:40:44,671 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/floats-cbmc-regression/float22.i[2881,2894] [2025-02-05 12:40:44,672 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/floats-cbmc-regression/float22.i[3073,3086] [2025-02-05 12:40:44,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:40:44,679 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 12:40:44,693 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/floats-cbmc-regression/float22.i[2558,2571] [2025-02-05 12:40:44,694 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/floats-cbmc-regression/float22.i[2753,2766] [2025-02-05 12:40:44,695 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/floats-cbmc-regression/float22.i[2881,2894] [2025-02-05 12:40:44,696 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/floats-cbmc-regression/float22.i[3073,3086] [2025-02-05 12:40:44,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:40:44,706 INFO L204 MainTranslator]: Completed translation [2025-02-05 12:40:44,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44 WrapperNode [2025-02-05 12:40:44,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 12:40:44,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 12:40:44,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 12:40:44,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 12:40:44,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,736 INFO L138 Inliner]: procedures = 21, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 133 [2025-02-05 12:40:44,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 12:40:44,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 12:40:44,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 12:40:44,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 12:40:44,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,745 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,755 INFO L175 MemorySlicer]: Split 41 memory accesses to 9 slices as follows [2, 2, 5, 5, 7, 2, 7, 4, 7]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0]. The 26 writes are split as follows [0, 1, 4, 4, 3, 1, 5, 3, 5]. [2025-02-05 12:40:44,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 12:40:44,769 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 12:40:44,769 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 12:40:44,769 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 12:40:44,770 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (1/1) ... [2025-02-05 12:40:44,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:40:44,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 12:40:44,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 12:40:44,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 12:40:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 12:40:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2025-02-05 12:40:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2025-02-05 12:40:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 12:40:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 12:40:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-05 12:40:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-05 12:40:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2025-02-05 12:40:44,822 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 12:40:44,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-05 12:40:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-05 12:40:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 12:40:44,904 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 12:40:44,906 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 12:40:44,963 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L124: havoc #t~mem1;call ULTIMATE.dealloc(~#c~0.base, ~#c~0.offset);havoc ~#c~0.base, ~#c~0.offset; [2025-02-05 12:40:44,979 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: havoc #t~mem2;havoc #t~mem3;havoc #t~mem4;havoc #t~mem5;call ULTIMATE.dealloc(~#c~1.base, ~#c~1.offset);havoc ~#c~1.base, ~#c~1.offset; [2025-02-05 12:40:45,084 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L151: call ULTIMATE.dealloc(testTwo_~#f1~1#1.base, testTwo_~#f1~1#1.offset);havoc testTwo_~#f1~1#1.base, testTwo_~#f1~1#1.offset;call ULTIMATE.dealloc(testTwo_~#f2~1#1.base, testTwo_~#f2~1#1.offset);havoc testTwo_~#f2~1#1.base, testTwo_~#f2~1#1.offset; [2025-02-05 12:40:45,084 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: call ULTIMATE.dealloc(testOne_~#f1~0#1.base, testOne_~#f1~0#1.offset);havoc testOne_~#f1~0#1.base, testOne_~#f1~0#1.offset;call ULTIMATE.dealloc(testOne_~#f2~0#1.base, testOne_~#f2~0#1.offset);havoc testOne_~#f2~0#1.base, testOne_~#f2~0#1.offset; [2025-02-05 12:40:45,084 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: call ULTIMATE.dealloc(testThree_~#f1~2#1.base, testThree_~#f1~2#1.offset);havoc testThree_~#f1~2#1.base, testThree_~#f1~2#1.offset;call ULTIMATE.dealloc(testThree_~#f2~2#1.base, testThree_~#f2~2#1.offset);havoc testThree_~#f2~2#1.base, testThree_~#f2~2#1.offset; [2025-02-05 12:40:45,116 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-02-05 12:40:45,116 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 12:40:45,131 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 12:40:45,131 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 12:40:45,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:45 BoogieIcfgContainer [2025-02-05 12:40:45,131 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 12:40:45,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 12:40:45,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 12:40:45,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 12:40:45,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 12:40:44" (1/3) ... [2025-02-05 12:40:45,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a09f164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:40:45, skipping insertion in model container [2025-02-05 12:40:45,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:44" (2/3) ... [2025-02-05 12:40:45,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a09f164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:40:45, skipping insertion in model container [2025-02-05 12:40:45,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:45" (3/3) ... [2025-02-05 12:40:45,143 INFO L128 eAbstractionObserver]: Analyzing ICFG float22.i [2025-02-05 12:40:45,156 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 12:40:45,159 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float22.i that has 3 procedures, 69 locations, 1 initial locations, 8 loop locations, and 12 error locations. [2025-02-05 12:40:45,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 12:40:45,222 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;@e692eb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 12:40:45,223 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-02-05 12:40:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 58 states have internal predecessors, (70), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-05 12:40:45,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-05 12:40:45,230 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:40:45,230 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-05 12:40:45,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [returnsFieldErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, returnsStructureErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2025-02-05 12:40:45,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:40:45,236 INFO L85 PathProgramCache]: Analyzing trace with hash 3539135, now seen corresponding path program 1 times [2025-02-05 12:40:45,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 12:40:45,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996904817] [2025-02-05 12:40:45,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:40:45,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 12:40:45,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-05 12:40:45,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-05 12:40:45,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:40:45,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 12:40:45,306 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 12:40:45,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-05 12:40:45,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-05 12:40:45,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:40:45,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 12:40:45,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 12:40:45,332 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 12:40:45,333 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE (11 of 12 remaining) [2025-02-05 12:40:45,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location returnsFieldErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (10 of 12 remaining) [2025-02-05 12:40:45,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location returnsStructureErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 12 remaining) [2025-02-05 12:40:45,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2025-02-05 12:40:45,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 12 remaining) [2025-02-05 12:40:45,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 12 remaining) [2025-02-05 12:40:45,334 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2025-02-05 12:40:45,335 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 12 remaining) [2025-02-05 12:40:45,335 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 12 remaining) [2025-02-05 12:40:45,335 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 12 remaining) [2025-02-05 12:40:45,335 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2025-02-05 12:40:45,335 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 12 remaining) [2025-02-05 12:40:45,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 12:40:45,338 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 12:40:45,346 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 12:40:45,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 12:40:45 BoogieIcfgContainer [2025-02-05 12:40:45,349 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 12:40:45,350 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 12:40:45,350 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 12:40:45,350 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 12:40:45,351 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:45" (3/4) ... [2025-02-05 12:40:45,353 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 12:40:45,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 12:40:45,360 INFO L158 Benchmark]: Toolchain (without parser) took 814.83ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 83.1MB in the end (delta: 49.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-05 12:40:45,360 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 226.5MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:45,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.84ms. Allocated memory is still 167.8MB. Free memory was 132.4MB in the beginning and 120.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:45,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.23ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 119.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:45,361 INFO L158 Benchmark]: Boogie Preprocessor took 31.85ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 116.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:45,361 INFO L158 Benchmark]: IcfgBuilder took 362.38ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 96.2MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 12:40:45,362 INFO L158 Benchmark]: TraceAbstraction took 212.40ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 83.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:40:45,362 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 167.8MB. Free memory was 83.5MB in the beginning and 83.1MB in the end (delta: 453.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:40:45,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 226.5MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.84ms. Allocated memory is still 167.8MB. Free memory was 132.4MB in the beginning and 120.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.23ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 119.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.85ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 116.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 362.38ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 96.2MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 212.40ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 83.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 167.8MB. Free memory was 83.5MB in the beginning and 83.1MB in the end (delta: 453.9kB). 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: 139]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 139. Possible FailurePath: [L179] CALL testOne() [L139] ieee754_float f1, f2; - UnprovableResult [Line: 118]: 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: 128]: 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: 173]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 168]: 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: 168]: 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: 161]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 156]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 151]: 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: 151]: 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: 144]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 139]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 12 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=69occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 12:40:45,398 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/floats-cbmc-regression/float22.i -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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 12:40:47,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 12:40:47,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 12:40:47,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 12:40:47,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 12:40:47,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 12:40:47,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 12:40:47,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 12:40:47,624 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 12:40:47,624 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 12:40:47,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 12:40:47,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 12:40:47,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 12:40:47,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 12:40:47,626 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 12:40:47,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 12:40:47,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 12:40:47,626 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 12:40:47,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 12:40:47,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 12:40:47,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 12:40:47,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 12:40:47,627 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 12:40:47,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:40:47,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 12:40:47,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 12:40:47,628 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 -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2025-02-05 12:40:47,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 12:40:47,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 12:40:47,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 12:40:47,954 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 12:40:47,954 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 12:40:47,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float22.i [2025-02-05 12:40:49,371 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a1ff8fb1/3f3cf714912a406b85908473b8586f39/FLAG73c513081 [2025-02-05 12:40:49,611 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 12:40:49,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i [2025-02-05 12:40:49,621 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a1ff8fb1/3f3cf714912a406b85908473b8586f39/FLAG73c513081 [2025-02-05 12:40:49,641 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a1ff8fb1/3f3cf714912a406b85908473b8586f39 [2025-02-05 12:40:49,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 12:40:49,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 12:40:49,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 12:40:49,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 12:40:49,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 12:40:49,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ce5763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49, skipping insertion in model container [2025-02-05 12:40:49,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 12:40:49,808 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/floats-cbmc-regression/float22.i[2558,2571] [2025-02-05 12:40:49,811 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/floats-cbmc-regression/float22.i[2753,2766] [2025-02-05 12:40:49,813 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/floats-cbmc-regression/float22.i[2881,2894] [2025-02-05 12:40:49,815 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/floats-cbmc-regression/float22.i[3073,3086] [2025-02-05 12:40:49,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:40:49,830 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 12:40:49,851 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/floats-cbmc-regression/float22.i[2558,2571] [2025-02-05 12:40:49,854 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/floats-cbmc-regression/float22.i[2753,2766] [2025-02-05 12:40:49,858 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/floats-cbmc-regression/float22.i[2881,2894] [2025-02-05 12:40:49,862 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/floats-cbmc-regression/float22.i[3073,3086] [2025-02-05 12:40:49,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 12:40:49,881 INFO L204 MainTranslator]: Completed translation [2025-02-05 12:40:49,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49 WrapperNode [2025-02-05 12:40:49,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 12:40:49,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 12:40:49,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 12:40:49,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 12:40:49,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,929 INFO L138 Inliner]: procedures = 24, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2025-02-05 12:40:49,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 12:40:49,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 12:40:49,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 12:40:49,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 12:40:49,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,945 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,963 INFO L175 MemorySlicer]: Split 41 memory accesses to 9 slices as follows [7, 4, 2, 5, 5, 2, 2, 7, 7]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 0, 2, 0, 0, 0, 0, 0, 0]. The 26 writes are split as follows [3, 3, 0, 4, 4, 1, 1, 5, 5]. [2025-02-05 12:40:49,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 12:40:49,978 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 12:40:49,978 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 12:40:49,978 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 12:40:49,979 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (1/1) ... [2025-02-05 12:40:49,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 12:40:49,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 12:40:50,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 12:40:50,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 12:40:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 12:40:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2025-02-05 12:40:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2025-02-05 12:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 12:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-05 12:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-05 12:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-05 12:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-05 12:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-05 12:40:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-05 12:40:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-05 12:40:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-05 12:40:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-05 12:40:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-05 12:40:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2025-02-05 12:40:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2025-02-05 12:40:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 12:40:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 12:40:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-05 12:40:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-05 12:40:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-05 12:40:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-05 12:40:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-05 12:40:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-05 12:40:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-05 12:40:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-05 12:40:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-05 12:40:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 12:40:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-05 12:40:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-05 12:40:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-05 12:40:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-05 12:40:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-05 12:40:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-05 12:40:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-05 12:40:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-05 12:40:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-05 12:40:50,150 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 12:40:50,152 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 12:40:50,197 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L124: havoc #t~mem1;call ULTIMATE.dealloc(~#c~0.base, ~#c~0.offset);havoc ~#c~0.base, ~#c~0.offset; [2025-02-05 12:40:50,216 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: havoc #t~mem2;havoc #t~mem3;havoc #t~mem4;havoc #t~mem5;call ULTIMATE.dealloc(~#c~1.base, ~#c~1.offset);havoc ~#c~1.base, ~#c~1.offset; [2025-02-05 12:40:50,345 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L151: call ULTIMATE.dealloc(testTwo_~#f1~1#1.base, testTwo_~#f1~1#1.offset);havoc testTwo_~#f1~1#1.base, testTwo_~#f1~1#1.offset;call ULTIMATE.dealloc(testTwo_~#f2~1#1.base, testTwo_~#f2~1#1.offset);havoc testTwo_~#f2~1#1.base, testTwo_~#f2~1#1.offset; [2025-02-05 12:40:50,346 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: call ULTIMATE.dealloc(testOne_~#f1~0#1.base, testOne_~#f1~0#1.offset);havoc testOne_~#f1~0#1.base, testOne_~#f1~0#1.offset;call ULTIMATE.dealloc(testOne_~#f2~0#1.base, testOne_~#f2~0#1.offset);havoc testOne_~#f2~0#1.base, testOne_~#f2~0#1.offset; [2025-02-05 12:40:50,346 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: call ULTIMATE.dealloc(testThree_~#f1~2#1.base, testThree_~#f1~2#1.offset);havoc testThree_~#f1~2#1.base, testThree_~#f1~2#1.offset;call ULTIMATE.dealloc(testThree_~#f2~2#1.base, testThree_~#f2~2#1.offset);havoc testThree_~#f2~2#1.base, testThree_~#f2~2#1.offset; [2025-02-05 12:40:50,404 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-02-05 12:40:50,404 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 12:40:50,412 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 12:40:50,413 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 12:40:50,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:50 BoogieIcfgContainer [2025-02-05 12:40:50,413 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 12:40:50,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 12:40:50,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 12:40:50,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 12:40:50,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 12:40:49" (1/3) ... [2025-02-05 12:40:50,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ae2e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:40:50, skipping insertion in model container [2025-02-05 12:40:50,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 12:40:49" (2/3) ... [2025-02-05 12:40:50,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ae2e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 12:40:50, skipping insertion in model container [2025-02-05 12:40:50,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:50" (3/3) ... [2025-02-05 12:40:50,423 INFO L128 eAbstractionObserver]: Analyzing ICFG float22.i [2025-02-05 12:40:50,437 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 12:40:50,439 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float22.i that has 3 procedures, 45 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-02-05 12:40:50,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 12:40:50,496 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;@3af5a13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 12:40:50,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-05 12:40:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-05 12:40:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-05 12:40:50,506 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:40:50,507 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:40:50,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-05 12:40:50,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:40:50,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1869818013, now seen corresponding path program 1 times [2025-02-05 12:40:50,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 12:40:50,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427932592] [2025-02-05 12:40:50,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:40:50,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 12:40:50,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 12:40:50,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 12:40:50,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-05 12:40:50,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-05 12:40:50,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-05 12:40:50,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:40:50,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:40:50,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-05 12:40:50,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 12:40:50,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2025-02-05 12:40:50,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2025-02-05 12:40:50,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 1 [2025-02-05 12:40:50,986 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2025-02-05 12:40:50,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 28 [2025-02-05 12:40:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 12:40:51,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 12:40:51,011 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 12:40:51,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427932592] [2025-02-05 12:40:51,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427932592] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:40:51,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:40:51,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-05 12:40:51,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085695323] [2025-02-05 12:40:51,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:40:51,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-05 12:40:51,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 12:40:51,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-05 12:40:51,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-02-05 12:40:51,026 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 12:40:55,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 12:40:55,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:40:55,202 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2025-02-05 12:40:55,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 12:40:55,204 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-05 12:40:55,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:40:55,208 INFO L225 Difference]: With dead ends: 84 [2025-02-05 12:40:55,208 INFO L226 Difference]: Without dead ends: 41 [2025-02-05 12:40:55,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-05 12:40:55,214 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 37 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-02-05 12:40:55,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 222 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-02-05 12:40:55,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-02-05 12:40:55,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-02-05 12:40:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 29 states have internal predecessors, (29), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-05 12:40:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2025-02-05 12:40:55,240 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 14 [2025-02-05 12:40:55,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:40:55,241 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2025-02-05 12:40:55,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.25) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-05 12:40:55,241 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2025-02-05 12:40:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-05 12:40:55,243 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:40:55,243 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:40:55,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-05 12:40:55,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 12:40:55,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-05 12:40:55,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:40:55,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1218031339, now seen corresponding path program 1 times [2025-02-05 12:40:55,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 12:40:55,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357069475] [2025-02-05 12:40:55,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:40:55,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 12:40:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 12:40:55,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 12:40:55,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-05 12:40:55,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-05 12:40:55,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-05 12:40:55,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:40:55,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:40:55,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-05 12:40:55,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 12:40:55,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 1 [2025-02-05 12:40:55,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2025-02-05 12:40:55,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2025-02-05 12:40:55,852 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2025-02-05 12:40:55,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 28 [2025-02-05 12:40:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-05 12:40:55,873 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 12:40:55,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 12:40:55,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357069475] [2025-02-05 12:40:55,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357069475] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:40:55,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:40:55,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-05 12:40:55,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54888924] [2025-02-05 12:40:55,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:40:55,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-05 12:40:55,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 12:40:55,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-05 12:40:55,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-02-05 12:40:55,875 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-05 12:40:59,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 12:41:04,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 12:41:04,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:41:04,168 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2025-02-05 12:41:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 12:41:04,169 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2025-02-05 12:41:04,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:41:04,169 INFO L225 Difference]: With dead ends: 47 [2025-02-05 12:41:04,169 INFO L226 Difference]: Without dead ends: 45 [2025-02-05 12:41:04,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-05 12:41:04,170 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 4 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2025-02-05 12:41:04,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 182 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2025-02-05 12:41:04,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-05 12:41:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-05 12:41:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 31 states have internal predecessors, (31), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-05 12:41:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2025-02-05 12:41:04,175 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 27 [2025-02-05 12:41:04,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:41:04,176 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2025-02-05 12:41:04,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-05 12:41:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2025-02-05 12:41:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-05 12:41:04,176 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:41:04,176 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:41:04,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-02-05 12:41:04,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 12:41:04,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-05 12:41:04,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:41:04,382 INFO L85 PathProgramCache]: Analyzing trace with hash -409233228, now seen corresponding path program 1 times [2025-02-05 12:41:04,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 12:41:04,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157786721] [2025-02-05 12:41:04,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:41:04,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 12:41:04,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 12:41:04,384 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) [2025-02-05 12:41:04,385 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 [2025-02-05 12:41:04,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-05 12:41:04,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-05 12:41:04,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:41:04,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:41:04,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-05 12:41:04,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 12:41:04,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2025-02-05 12:41:04,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2025-02-05 12:41:04,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-05 12:41:04,693 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2025-02-05 12:41:04,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 28 [2025-02-05 12:41:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-05 12:41:04,715 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 12:41:04,715 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 12:41:04,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157786721] [2025-02-05 12:41:04,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157786721] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:41:04,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:41:04,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-05 12:41:04,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590029698] [2025-02-05 12:41:04,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:41:04,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-05 12:41:04,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 12:41:04,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-05 12:41:04,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-02-05 12:41:04,717 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-05 12:41:08,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 12:41:12,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 12:41:16,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-05 12:41:16,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:41:16,870 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2025-02-05 12:41:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 12:41:16,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2025-02-05 12:41:16,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:41:16,872 INFO L225 Difference]: With dead ends: 45 [2025-02-05 12:41:16,872 INFO L226 Difference]: Without dead ends: 43 [2025-02-05 12:41:16,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-05 12:41:16,873 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 10 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2025-02-05 12:41:16,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 222 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2025-02-05 12:41:16,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-02-05 12:41:16,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-02-05 12:41:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.0) internal successors, (29), 29 states have internal predecessors, (29), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-05 12:41:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2025-02-05 12:41:16,878 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 38 [2025-02-05 12:41:16,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:41:16,878 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2025-02-05 12:41:16,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-05 12:41:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2025-02-05 12:41:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-05 12:41:16,879 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 12:41:16,879 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 12:41:16,887 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 [2025-02-05 12:41:17,083 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 [2025-02-05 12:41:17,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-05 12:41:17,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 12:41:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1123635424, now seen corresponding path program 1 times [2025-02-05 12:41:17,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 12:41:17,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434782924] [2025-02-05 12:41:17,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 12:41:17,084 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 12:41:17,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 12:41:17,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 12:41:17,088 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 (5)] Waiting until timeout for monitored process [2025-02-05 12:41:17,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-05 12:41:17,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-05 12:41:17,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 12:41:17,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 12:41:17,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-05 12:41:17,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 12:41:17,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2025-02-05 12:41:17,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2025-02-05 12:41:17,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-05 12:41:17,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2025-02-05 12:41:17,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2025-02-05 12:41:17,516 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2025-02-05 12:41:17,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 28 [2025-02-05 12:41:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-05 12:41:17,537 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 12:41:17,537 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 12:41:17,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434782924] [2025-02-05 12:41:17,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434782924] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 12:41:17,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 12:41:17,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-05 12:41:17,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187339240] [2025-02-05 12:41:17,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 12:41:17,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-05 12:41:17,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 12:41:17,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-05 12:41:17,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-02-05 12:41:17,538 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-05 12:41:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 12:41:17,596 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2025-02-05 12:41:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 12:41:17,596 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2025-02-05 12:41:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 12:41:17,597 INFO L225 Difference]: With dead ends: 46 [2025-02-05 12:41:17,597 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 12:41:17,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-05 12:41:17,597 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 12:41:17,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 183 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 12:41:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 12:41:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 12:41:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 12:41:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 12:41:17,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2025-02-05 12:41:17,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 12:41:17,599 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 12:41:17,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-05 12:41:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 12:41:17,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 12:41:17,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-02-05 12:41:17,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-02-05 12:41:17,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2025-02-05 12:41:17,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2025-02-05 12:41:17,611 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 (5)] Ended with exit code 0 [2025-02-05 12:41:17,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 12:41:17,804 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-05 12:41:17,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 12:41:18,056 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 12:41:18,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 12:41:18 BoogieIcfgContainer [2025-02-05 12:41:18,060 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 12:41:18,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 12:41:18,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 12:41:18,060 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 12:41:18,061 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 12:40:50" (3/4) ... [2025-02-05 12:41:18,062 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 12:41:18,065 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure returnsStructure [2025-02-05 12:41:18,066 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure returnsField [2025-02-05 12:41:18,068 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2025-02-05 12:41:18,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-05 12:41:18,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-05 12:41:18,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 12:41:18,118 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 12:41:18,118 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 12:41:18,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 12:41:18,119 INFO L158 Benchmark]: Toolchain (without parser) took 28473.42ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 74.4MB in the end (delta: 17.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2025-02-05 12:41:18,119 INFO L158 Benchmark]: CDTParser took 2.36ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:41:18,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.64ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:41:18,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.80ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 12:41:18,120 INFO L158 Benchmark]: Boogie Preprocessor took 44.18ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:41:18,120 INFO L158 Benchmark]: IcfgBuilder took 435.23ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 54.5MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 12:41:18,120 INFO L158 Benchmark]: TraceAbstraction took 27644.36ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 80.6MB in the end (delta: -26.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2025-02-05 12:41:18,120 INFO L158 Benchmark]: Witness Printer took 58.11ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 74.4MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 12:41:18,121 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.36ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.64ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.80ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.18ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 75.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 435.23ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 54.5MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 27644.36ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 80.6MB in the end (delta: -26.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 58.11ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 74.4MB in the end (delta: 6.1MB). 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 - PositiveResult [Line: 173]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 161]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 156]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 144]: 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 3 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 27.3s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 24.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 809 SdHoareTripleChecker+Invalid, 24.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 665 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 144 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 126 ConstructedInterpolants, 16 QuantifiedInterpolants, 1178 SizeOfPredicates, 26 NumberOfNonLiveVariables, 840 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 78/78 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-05 12:41:18,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE