./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0833.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0833.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b63eb992c00c845168476a1db77eced17c7e9aa742c6bcee68b2e04a80fb6c93 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 11:51:01,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 11:51:01,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 11:51:01,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 11:51:01,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 11:51:01,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 11:51:01,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 11:51:01,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 11:51:01,780 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 11:51:01,780 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 11:51:01,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 11:51:01,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 11:51:01,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 11:51:01,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 11:51:01,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 11:51:01,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 11:51:01,785 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 11:51:01,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 11:51:01,785 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 11:51:01,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:51:01,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 11:51:01,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 11:51:01,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 11:51:01,787 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 11:51:01,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 11:51:01,787 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63eb992c00c845168476a1db77eced17c7e9aa742c6bcee68b2e04a80fb6c93 [2025-03-03 11:51:02,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 11:51:02,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 11:51:02,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 11:51:02,027 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 11:51:02,027 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 11:51:02,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0833.c [2025-03-03 11:51:03,232 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf64a31a/14f44b7a0be64b0fb16a9fdcf5e4c133/FLAG1723fe905 [2025-03-03 11:51:03,557 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 11:51:03,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0833.c [2025-03-03 11:51:03,578 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf64a31a/14f44b7a0be64b0fb16a9fdcf5e4c133/FLAG1723fe905 [2025-03-03 11:51:03,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf64a31a/14f44b7a0be64b0fb16a9fdcf5e4c133 [2025-03-03 11:51:03,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 11:51:03,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 11:51:03,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 11:51:03,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 11:51:03,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 11:51:03,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb9f5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03, skipping insertion in model container [2025-03-03 11:51:03,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 11:51:03,747 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0833.c[4075,4088] [2025-03-03 11:51:03,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:51:03,756 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 11:51:03,780 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0833.c[4075,4088] [2025-03-03 11:51:03,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:51:03,796 INFO L204 MainTranslator]: Completed translation [2025-03-03 11:51:03,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03 WrapperNode [2025-03-03 11:51:03,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 11:51:03,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 11:51:03,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 11:51:03,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 11:51:03,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,827 INFO L138 Inliner]: procedures = 18, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 222 [2025-03-03 11:51:03,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 11:51:03,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 11:51:03,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 11:51:03,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 11:51:03,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,853 INFO L175 MemorySlicer]: Split 29 memory accesses to 11 slices as follows [2, 3, 3, 3, 2, 4, 2, 2, 4, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0]. The 9 writes are split as follows [0, 2, 2, 0, 1, 0, 1, 1, 0, 1, 1]. [2025-03-03 11:51:03,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 11:51:03,888 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 11:51:03,888 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 11:51:03,888 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 11:51:03,892 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (1/1) ... [2025-03-03 11:51:03,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:51:03,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 11:51:03,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 11:51:03,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 11:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 11:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 11:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 11:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 11:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 11:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-03 11:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-03 11:51:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-03 11:51:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 11:51:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-03 11:51:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-03 11:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-03 11:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-03 11:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-03 11:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-03 11:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-03 11:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-03 11:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-03-03 11:51:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-03-03 11:51:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-03-03 11:51:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-03-03 11:51:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 11:51:04,104 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 11:51:04,106 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 11:51:04,311 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L60: havoc __ieee754_exp_~lx~0#1; [2025-03-03 11:51:04,311 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L102: havoc __ieee754_exp_~hy~0#1; [2025-03-03 11:51:04,311 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: havoc __ieee754_exp_~hy~1#1; [2025-03-03 11:51:04,328 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2025-03-03 11:51:04,329 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 11:51:04,345 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 11:51:04,345 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 11:51:04,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:51:04 BoogieIcfgContainer [2025-03-03 11:51:04,346 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 11:51:04,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 11:51:04,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 11:51:04,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 11:51:04,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:51:03" (1/3) ... [2025-03-03 11:51:04,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6055208a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:51:04, skipping insertion in model container [2025-03-03 11:51:04,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:03" (2/3) ... [2025-03-03 11:51:04,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6055208a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:51:04, skipping insertion in model container [2025-03-03 11:51:04,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:51:04" (3/3) ... [2025-03-03 11:51:04,353 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833.c [2025-03-03 11:51:04,366 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 11:51:04,368 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0833.c that has 1 procedures, 52 locations, 1 initial locations, 7 loop locations, and 8 error locations. [2025-03-03 11:51:04,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 11:51:04,428 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;@647eff8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 11:51:04,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-03 11:51:04,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 43 states have (on average 2.0232558139534884) internal successors, (87), 51 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-03 11:51:04,434 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:51:04,434 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-03 11:51:04,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-03 11:51:04,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:51:04,440 INFO L85 PathProgramCache]: Analyzing trace with hash 131043, now seen corresponding path program 1 times [2025-03-03 11:51:04,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 11:51:04,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387616974] [2025-03-03 11:51:04,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:51:04,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 11:51:04,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-03 11:51:04,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-03 11:51:04,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:51:04,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 11:51:04,524 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 11:51:04,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-03 11:51:04,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-03 11:51:04,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:51:04,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 11:51:04,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 11:51:04,565 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 11:51:04,566 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 8 remaining) [2025-03-03 11:51:04,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2025-03-03 11:51:04,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 8 remaining) [2025-03-03 11:51:04,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 8 remaining) [2025-03-03 11:51:04,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 8 remaining) [2025-03-03 11:51:04,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 8 remaining) [2025-03-03 11:51:04,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 8 remaining) [2025-03-03 11:51:04,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 8 remaining) [2025-03-03 11:51:04,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 11:51:04,575 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 11:51:04,593 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 11:51:04,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 11:51:04 BoogieIcfgContainer [2025-03-03 11:51:04,597 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 11:51:04,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 11:51:04,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 11:51:04,599 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 11:51:04,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:51:04" (3/4) ... [2025-03-03 11:51:04,602 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 11:51:04,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 11:51:04,603 INFO L158 Benchmark]: Toolchain (without parser) took 999.53ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 53.9MB in the end (delta: 52.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-03 11:51:04,603 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:51:04,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.66ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 93.0MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 11:51:04,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.17ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 91.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:51:04,606 INFO L158 Benchmark]: Boogie Preprocessor took 59.28ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 88.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:51:04,607 INFO L158 Benchmark]: IcfgBuilder took 457.76ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 69.0MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 11:51:04,607 INFO L158 Benchmark]: TraceAbstraction took 249.71ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 53.9MB in the end (delta: 13.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:51:04,608 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 142.6MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:51:04,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 201.3MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.66ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 93.0MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.17ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 91.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.28ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 88.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 457.76ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 69.0MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 249.71ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 53.9MB in the end (delta: 13.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 142.6MB. Free memory is still 53.9MB. 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: 52]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 151, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 52, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; [L19-L44] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L151] double x = -1.0 / 0.0; [L152] CALL __ieee754_exp(x) [L47] double y, hi, lo, c, t; [L48] __int32_t k = 0, xsb; [L49] __uint32_t hx; VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004] [L52] ieee_double_shape_type gh_u; VAL [P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004] - UnprovableResult [Line: 155]: 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: 137]: 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: 110]: 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: 105]: 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: 124]: 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: 119]: 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: 63]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 8 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 11:51:04,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0833.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b63eb992c00c845168476a1db77eced17c7e9aa742c6bcee68b2e04a80fb6c93 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 11:51:06,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 11:51:06,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 11:51:06,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 11:51:06,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 11:51:06,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 11:51:06,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 11:51:06,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 11:51:06,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 11:51:06,777 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 11:51:06,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 11:51:06,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 11:51:06,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 11:51:06,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 11:51:06,777 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 11:51:06,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 11:51:06,778 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 11:51:06,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:51:06,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 11:51:06,779 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63eb992c00c845168476a1db77eced17c7e9aa742c6bcee68b2e04a80fb6c93 [2025-03-03 11:51:07,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 11:51:07,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 11:51:07,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 11:51:07,042 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 11:51:07,042 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 11:51:07,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0833.c [2025-03-03 11:51:08,321 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdeb8eb6/47ff3dde01b747caa2d4e90470223249/FLAG1e52cebe8 [2025-03-03 11:51:08,556 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 11:51:08,556 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0833.c [2025-03-03 11:51:08,566 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdeb8eb6/47ff3dde01b747caa2d4e90470223249/FLAG1e52cebe8 [2025-03-03 11:51:08,889 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bdeb8eb6/47ff3dde01b747caa2d4e90470223249 [2025-03-03 11:51:08,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 11:51:08,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 11:51:08,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 11:51:08,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 11:51:08,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 11:51:08,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:51:08" (1/1) ... [2025-03-03 11:51:08,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f70c514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:08, skipping insertion in model container [2025-03-03 11:51:08,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:51:08" (1/1) ... [2025-03-03 11:51:08,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 11:51:09,048 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0833.c[4075,4088] [2025-03-03 11:51:09,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:51:09,060 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 11:51:09,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0833.c[4075,4088] [2025-03-03 11:51:09,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 11:51:09,098 INFO L204 MainTranslator]: Completed translation [2025-03-03 11:51:09,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09 WrapperNode [2025-03-03 11:51:09,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 11:51:09,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 11:51:09,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 11:51:09,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 11:51:09,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,131 INFO L138 Inliner]: procedures = 21, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 199 [2025-03-03 11:51:09,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 11:51:09,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 11:51:09,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 11:51:09,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 11:51:09,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,155 INFO L175 MemorySlicer]: Split 29 memory accesses to 11 slices as follows [2, 2, 2, 3, 2, 4, 4, 3, 3, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 0, 2, 0, 2, 2, 0, 0, 0, 0]. The 9 writes are split as follows [0, 1, 1, 0, 1, 0, 0, 2, 2, 1, 1]. [2025-03-03 11:51:09,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,172 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 11:51:09,184 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 11:51:09,187 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 11:51:09,188 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 11:51:09,189 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (1/1) ... [2025-03-03 11:51:09,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 11:51:09,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 11:51:09,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 11:51:09,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 11:51:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2025-03-03 11:51:09,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2025-03-03 11:51:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2025-03-03 11:51:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2025-03-03 11:51:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2025-03-03 11:51:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 11:51:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-03 11:51:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-03 11:51:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-03 11:51:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-03 11:51:09,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-03 11:51:09,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-03 11:51:09,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-03 11:51:09,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-03-03 11:51:09,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-03-03 11:51:09,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-03 11:51:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 11:51:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-03-03 11:51:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 11:51:09,386 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 11:51:09,388 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 11:51:30,522 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L60: havoc __ieee754_exp_~lx~0#1; [2025-03-03 11:51:30,523 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L102: havoc __ieee754_exp_~hy~0#1; [2025-03-03 11:51:30,523 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: havoc __ieee754_exp_~hy~1#1; [2025-03-03 11:51:30,532 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2025-03-03 11:51:30,532 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 11:51:30,541 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 11:51:30,541 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 11:51:30,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:51:30 BoogieIcfgContainer [2025-03-03 11:51:30,542 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 11:51:30,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 11:51:30,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 11:51:30,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 11:51:30,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:51:08" (1/3) ... [2025-03-03 11:51:30,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20769bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:51:30, skipping insertion in model container [2025-03-03 11:51:30,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:51:09" (2/3) ... [2025-03-03 11:51:30,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20769bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:51:30, skipping insertion in model container [2025-03-03 11:51:30,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:51:30" (3/3) ... [2025-03-03 11:51:30,551 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833.c [2025-03-03 11:51:30,561 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 11:51:30,562 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0833.c that has 1 procedures, 42 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-03-03 11:51:30,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 11:51:30,602 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;@6e6e6e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 11:51:30,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 11:51:30,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.7) internal successors, (68), 41 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:30,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-03 11:51:30,608 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:51:30,608 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:51:30,608 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:51:30,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:51:30,615 INFO L85 PathProgramCache]: Analyzing trace with hash -85023840, now seen corresponding path program 1 times [2025-03-03 11:51:30,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:51:30,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121524531] [2025-03-03 11:51:30,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:51:30,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:30,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:51:30,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:51:30,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 11:51:30,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-03 11:51:30,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-03 11:51:30,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:51:30,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:51:30,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 11:51:30,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:51:30,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:51:30,955 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:51:30,956 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:51:30,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121524531] [2025-03-03 11:51:30,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121524531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:51:30,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:51:30,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 11:51:30,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796665879] [2025-03-03 11:51:30,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:51:30,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 11:51:30,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:51:30,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 11:51:30,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 11:51:30,972 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.7) internal successors, (68), 41 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:30,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:51:30,982 INFO L93 Difference]: Finished difference Result 82 states and 134 transitions. [2025-03-03 11:51:30,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 11:51:30,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-03 11:51:30,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:51:30,988 INFO L225 Difference]: With dead ends: 82 [2025-03-03 11:51:30,988 INFO L226 Difference]: Without dead ends: 39 [2025-03-03 11:51:30,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 11:51:30,993 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 11:51:30,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 11:51:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-03-03 11:51:31,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2025-03-03 11:51:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2025-03-03 11:51:31,018 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 11 [2025-03-03 11:51:31,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:51:31,018 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2025-03-03 11:51:31,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:31,018 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2025-03-03 11:51:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-03 11:51:31,019 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:51:31,019 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:51:31,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-03 11:51:31,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:31,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:51:31,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:51:31,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1297708497, now seen corresponding path program 1 times [2025-03-03 11:51:31,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:51:31,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896699142] [2025-03-03 11:51:31,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:51:31,221 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:31,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:51:31,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:51:31,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-03 11:51:31,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-03 11:51:31,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-03 11:51:31,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:51:31,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:51:31,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-03 11:51:31,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:51:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:51:32,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:51:32,826 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:51:32,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896699142] [2025-03-03 11:51:32,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896699142] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:51:32,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:51:32,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 11:51:32,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009584582] [2025-03-03 11:51:32,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:51:32,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 11:51:32,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:51:32,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 11:51:32,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 11:51:32,828 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:34,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:51:34,194 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2025-03-03 11:51:34,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 11:51:34,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-03-03 11:51:34,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:51:34,196 INFO L225 Difference]: With dead ends: 48 [2025-03-03 11:51:34,196 INFO L226 Difference]: Without dead ends: 19 [2025-03-03 11:51:34,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-03 11:51:34,197 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-03 11:51:34,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-03 11:51:34,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-03-03 11:51:34,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-03-03 11:51:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2025-03-03 11:51:34,202 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2025-03-03 11:51:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:51:34,202 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2025-03-03 11:51:34,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2025-03-03 11:51:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-03 11:51:34,203 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:51:34,203 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:51:34,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-03 11:51:34,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:34,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:51:34,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:51:34,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1897190645, now seen corresponding path program 1 times [2025-03-03 11:51:34,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:51:34,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420848991] [2025-03-03 11:51:34,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:51:34,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:34,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:51:34,406 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:51:34,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-03 11:51:34,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-03 11:51:34,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-03 11:51:34,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:51:34,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:51:34,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-03 11:51:34,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:51:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:51:37,344 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:51:37,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:51:37,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420848991] [2025-03-03 11:51:37,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420848991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:51:37,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:51:37,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 11:51:37,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858267895] [2025-03-03 11:51:37,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:51:37,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 11:51:37,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:51:37,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 11:51:37,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-03 11:51:37,345 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:38,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:51:38,604 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2025-03-03 11:51:38,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 11:51:38,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-03-03 11:51:38,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:51:38,606 INFO L225 Difference]: With dead ends: 28 [2025-03-03 11:51:38,606 INFO L226 Difference]: Without dead ends: 19 [2025-03-03 11:51:38,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-03 11:51:38,607 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-03 11:51:38,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 43 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-03 11:51:38,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-03-03 11:51:38,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-03-03 11:51:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2025-03-03 11:51:38,609 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2025-03-03 11:51:38,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:51:38,609 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2025-03-03 11:51:38,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2025-03-03 11:51:38,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-03 11:51:38,609 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:51:38,609 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:51:38,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-03-03 11:51:38,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:38,811 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:51:38,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:51:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1899037687, now seen corresponding path program 1 times [2025-03-03 11:51:38,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:51:38,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208091034] [2025-03-03 11:51:38,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:51:38,812 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:38,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:51:38,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:51:38,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-03 11:51:38,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-03 11:51:38,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-03 11:51:38,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:51:38,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:51:38,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-03 11:51:38,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:51:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:51:41,666 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:51:41,666 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:51:41,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208091034] [2025-03-03 11:51:41,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208091034] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:51:41,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:51:41,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 11:51:41,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756830168] [2025-03-03 11:51:41,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:51:41,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 11:51:41,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:51:41,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 11:51:41,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-03 11:51:41,668 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:42,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:51:42,609 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2025-03-03 11:51:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 11:51:42,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-03-03 11:51:42,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:51:42,610 INFO L225 Difference]: With dead ends: 22 [2025-03-03 11:51:42,610 INFO L226 Difference]: Without dead ends: 19 [2025-03-03 11:51:42,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-03 11:51:42,610 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-03 11:51:42,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-03 11:51:42,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-03-03 11:51:42,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-03-03 11:51:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2025-03-03 11:51:42,613 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2025-03-03 11:51:42,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:51:42,613 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2025-03-03 11:51:42,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2025-03-03 11:51:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-03 11:51:42,613 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 11:51:42,613 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 11:51:42,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-03-03 11:51:42,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:42,814 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 11:51:42,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 11:51:42,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2117691181, now seen corresponding path program 1 times [2025-03-03 11:51:42,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 11:51:42,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972158022] [2025-03-03 11:51:42,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 11:51:42,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:42,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 11:51:42,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 11:51:42,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-03-03 11:51:42,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-03 11:51:42,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-03 11:51:42,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 11:51:42,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 11:51:42,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-03 11:51:42,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 11:51:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 11:51:47,804 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 11:51:47,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 11:51:47,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972158022] [2025-03-03 11:51:47,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972158022] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 11:51:47,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 11:51:47,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-03-03 11:51:47,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448368557] [2025-03-03 11:51:47,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 11:51:47,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-03 11:51:47,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 11:51:47,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-03 11:51:47,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2025-03-03 11:51:47,805 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:50,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 11:51:50,691 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2025-03-03 11:51:50,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-03 11:51:50,691 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-03-03 11:51:50,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 11:51:50,692 INFO L225 Difference]: With dead ends: 19 [2025-03-03 11:51:50,692 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 11:51:50,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-03 11:51:50,692 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-03 11:51:50,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 48 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-03 11:51:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 11:51:50,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 11:51:50,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:50,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 11:51:50,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2025-03-03 11:51:50,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 11:51:50,694 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 11:51:50,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 11:51:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 11:51:50,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 11:51:50,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 11:51:50,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2025-03-03 11:51:50,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 11:51:50,899 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-03 11:51:50,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 11:51:51,641 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 11:51:51,647 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 11:51:51,648 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 11:51:51,648 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 11:51:51,648 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-03-03 11:51:51,648 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2025-03-03 11:51:51,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 11:51:51 BoogieIcfgContainer [2025-03-03 11:51:51,649 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 11:51:51,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 11:51:51,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 11:51:51,650 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 11:51:51,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:51:30" (3/4) ... [2025-03-03 11:51:51,652 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 11:51:51,658 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2025-03-03 11:51:51,659 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-03 11:51:51,659 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 11:51:51,659 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 11:51:51,731 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 11:51:51,731 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 11:51:51,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 11:51:51,732 INFO L158 Benchmark]: Toolchain (without parser) took 42839.18ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 24.9MB in the end (delta: 35.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2025-03-03 11:51:51,732 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:51:51,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.05ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 46.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 11:51:51,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.29ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:51:51,732 INFO L158 Benchmark]: Boogie Preprocessor took 46.04ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 40.4MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 11:51:51,732 INFO L158 Benchmark]: IcfgBuilder took 21357.63ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 45.2MB in the end (delta: -5.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2025-03-03 11:51:51,732 INFO L158 Benchmark]: TraceAbstraction took 21106.49ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 32.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2025-03-03 11:51:51,733 INFO L158 Benchmark]: Witness Printer took 81.08ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 24.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 11:51:51,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.05ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 46.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.29ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.04ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 40.4MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 21357.63ms. Allocated memory is still 83.9MB. Free memory was 40.2MB in the beginning and 45.2MB in the end (delta: -5.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 21106.49ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 32.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Witness Printer took 81.08ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 24.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 * 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: 155]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 136 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 98 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 31 QuantifiedInterpolants, 825 SizeOfPredicates, 15 NumberOfNonLiveVariables, 463 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 102]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 104]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 116]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 118]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-03 11:51:51,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE