./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38626a16356f67aaf09cedb2585feb986fe72ed23b75358e37f00f94c56ef8f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:22:58,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:22:58,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 01:22:58,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:22:58,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:22:58,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:22:58,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:22:58,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:22:58,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:22:58,315 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:22:58,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:22:58,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:22:58,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:22:58,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:22:58,315 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:22:58,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:22:58,316 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:22:58,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:22:58,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:22:58,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:22:58,317 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38626a16356f67aaf09cedb2585feb986fe72ed23b75358e37f00f94c56ef8f0 [2025-01-09 01:22:58,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:22:58,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:22:58,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:22:58,546 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:22:58,546 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:22:58,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2025-01-09 01:22:59,785 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bab532c1a/20b5b23d7c104f20a402a0399e9e2cef/FLAG14b8095e1 [2025-01-09 01:22:59,993 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:22:59,993 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2025-01-09 01:23:00,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bab532c1a/20b5b23d7c104f20a402a0399e9e2cef/FLAG14b8095e1 [2025-01-09 01:23:00,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bab532c1a/20b5b23d7c104f20a402a0399e9e2cef [2025-01-09 01:23:00,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:23:00,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:23:00,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:23:00,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:23:00,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:23:00,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ce8587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00, skipping insertion in model container [2025-01-09 01:23:00,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:23:00,331 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c[4704,4717] [2025-01-09 01:23:00,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:23:00,349 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:23:00,372 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c[4704,4717] [2025-01-09 01:23:00,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:23:00,382 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:23:00,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00 WrapperNode [2025-01-09 01:23:00,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:23:00,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:23:00,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:23:00,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:23:00,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,417 INFO L138 Inliner]: procedures = 18, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 282 [2025-01-09 01:23:00,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:23:00,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:23:00,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:23:00,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:23:00,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,439 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,457 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-01-09 01:23:00,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,467 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:23:00,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:23:00,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:23:00,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:23:00,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (1/1) ... [2025-01-09 01:23:00,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:23:00,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:23:00,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 01:23:00,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 01:23:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:23:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 01:23:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 01:23:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 01:23:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 01:23:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 01:23:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 01:23:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-01-09 01:23:00,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2025-01-09 01:23:00,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 01:23:00,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:23:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:23:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:23:00,559 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2025-01-09 01:23:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2025-01-09 01:23:00,665 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:23:00,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:23:00,951 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2025-01-09 01:23:00,951 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:23:00,958 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:23:00,958 INFO L312 CfgBuilder]: Removed 33 assume(true) statements. [2025-01-09 01:23:00,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:23:00 BoogieIcfgContainer [2025-01-09 01:23:00,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:23:00,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:23:00,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:23:00,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:23:00,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:23:00" (1/3) ... [2025-01-09 01:23:00,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311ec6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:23:00, skipping insertion in model container [2025-01-09 01:23:00,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:00" (2/3) ... [2025-01-09 01:23:00,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311ec6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:23:00, skipping insertion in model container [2025-01-09 01:23:00,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:23:00" (3/3) ... [2025-01-09 01:23:00,965 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d.c [2025-01-09 01:23:00,976 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:23:00,979 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1270d.c that has 2 procedures, 128 locations, 1 initial locations, 34 loop locations, and 17 error locations. [2025-01-09 01:23:01,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:23:01,018 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;@17393449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:23:01,018 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-01-09 01:23:01,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 107 states have (on average 1.8691588785046729) internal successors, (200), 124 states have internal predecessors, (200), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 01:23:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 01:23:01,024 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:23:01,024 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 01:23:01,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [__ieee754_sqrtfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __ieee754_sqrtfErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 14 more)] === [2025-01-09 01:23:01,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:23:01,028 INFO L85 PathProgramCache]: Analyzing trace with hash 5204614, now seen corresponding path program 1 times [2025-01-09 01:23:01,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 01:23:01,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71916351] [2025-01-09 01:23:01,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:23:01,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 01:23:01,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:23:01,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:23:01,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:01,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:23:01,086 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 01:23:01,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 01:23:01,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 01:23:01,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:01,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 01:23:01,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 01:23:01,112 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 01:23:01,113 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (16 of 17 remaining) [2025-01-09 01:23:01,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (15 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtfErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (14 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (13 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (12 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (11 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (10 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 17 remaining) [2025-01-09 01:23:01,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 17 remaining) [2025-01-09 01:23:01,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 17 remaining) [2025-01-09 01:23:01,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 17 remaining) [2025-01-09 01:23:01,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 17 remaining) [2025-01-09 01:23:01,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 17 remaining) [2025-01-09 01:23:01,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 17 remaining) [2025-01-09 01:23:01,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (0 of 17 remaining) [2025-01-09 01:23:01,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 01:23:01,119 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 01:23:01,128 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:23:01,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:23:01 BoogieIcfgContainer [2025-01-09 01:23:01,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:23:01,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:23:01,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:23:01,131 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:23:01,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:23:00" (3/4) ... [2025-01-09 01:23:01,132 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 01:23:01,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:23:01,134 INFO L158 Benchmark]: Toolchain (without parser) took 1109.84ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 47.6MB in the end (delta: 60.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-01-09 01:23:01,134 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 226.5MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:23:01,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.10ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 93.8MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:23:01,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.00ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:23:01,135 INFO L158 Benchmark]: Boogie Preprocessor took 68.46ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 87.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:23:01,135 INFO L158 Benchmark]: RCFGBuilder took 468.61ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 62.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 01:23:01,135 INFO L158 Benchmark]: TraceAbstraction took 169.77ms. Allocated memory is still 142.6MB. Free memory was 61.9MB in the beginning and 47.6MB in the end (delta: 14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:23:01,135 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 142.6MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:23:01,136 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 226.5MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.10ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 93.8MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.00ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.46ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 87.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 468.61ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 62.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 169.77ms. Allocated memory is still 142.6MB. Free memory was 61.9MB in the beginning and 47.6MB in the end (delta: 14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 142.6MB. Free memory is still 47.6MB. 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: 88]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 88, overapproximation of someBinaryArithmeticFLOAToperation at line 232. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L231] float x = __VERIFIER_nondet_float(); [L232] float y = -1.0f / 0.0f; [L233] CALL __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=54, y=53] [L88] ieee_float_shape_type gf_u; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=54, y=53] - UnprovableResult [Line: 22]: 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: 76]: 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: 94]: 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: 115]: 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: 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: 142]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 152]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 164]: 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: 169]: 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: 179]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 188]: Unable to prove that 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: 194]: 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: 203]: 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: 216]: 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: 236]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 128 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 01:23:01,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38626a16356f67aaf09cedb2585feb986fe72ed23b75358e37f00f94c56ef8f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 01:23:03,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 01:23:03,105 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 01:23:03,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 01:23:03,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 01:23:03,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 01:23:03,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 01:23:03,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 01:23:03,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 01:23:03,141 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 01:23:03,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 01:23:03,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 01:23:03,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 01:23:03,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 01:23:03,142 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 01:23:03,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 01:23:03,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 01:23:03,143 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 01:23:03,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 01:23:03,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 01:23:03,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 01:23:03,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 01:23:03,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 01:23:03,144 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 01:23:03,144 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 01:23:03,144 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 01:23:03,144 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 01:23:03,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 01:23:03,144 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 01:23:03,144 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 01:23:03,144 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 01:23:03,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:23:03,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:23:03,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:23:03,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:23:03,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 01:23:03,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 01:23:03,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 01:23:03,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 01:23:03,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:23:03,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 01:23:03,146 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38626a16356f67aaf09cedb2585feb986fe72ed23b75358e37f00f94c56ef8f0 [2025-01-09 01:23:03,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 01:23:03,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 01:23:03,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 01:23:03,467 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 01:23:03,468 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 01:23:03,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2025-01-09 01:23:04,633 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/017f6653c/19435c16845343669b9466f484a49a12/FLAG628eb5e24 [2025-01-09 01:23:04,848 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 01:23:04,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2025-01-09 01:23:04,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/017f6653c/19435c16845343669b9466f484a49a12/FLAG628eb5e24 [2025-01-09 01:23:04,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/017f6653c/19435c16845343669b9466f484a49a12 [2025-01-09 01:23:04,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 01:23:04,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 01:23:04,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 01:23:04,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 01:23:04,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 01:23:04,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:23:04" (1/1) ... [2025-01-09 01:23:04,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bc9872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:04, skipping insertion in model container [2025-01-09 01:23:04,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:23:04" (1/1) ... [2025-01-09 01:23:04,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 01:23:05,036 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c[4704,4717] [2025-01-09 01:23:05,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:23:05,060 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 01:23:05,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c[4704,4717] [2025-01-09 01:23:05,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 01:23:05,105 INFO L204 MainTranslator]: Completed translation [2025-01-09 01:23:05,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05 WrapperNode [2025-01-09 01:23:05,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 01:23:05,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 01:23:05,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 01:23:05,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 01:23:05,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,145 INFO L138 Inliner]: procedures = 21, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 254 [2025-01-09 01:23:05,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 01:23:05,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 01:23:05,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 01:23:05,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 01:23:05,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,171 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-01-09 01:23:05,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 01:23:05,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 01:23:05,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 01:23:05,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 01:23:05,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (1/1) ... [2025-01-09 01:23:05,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 01:23:05,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 01:23:05,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 01:23:05,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 01:23:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 01:23:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 01:23:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 01:23:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-01-09 01:23:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-01-09 01:23:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-01-09 01:23:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-01-09 01:23:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-01-09 01:23:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-01-09 01:23:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-01-09 01:23:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-01-09 01:23:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-01-09 01:23:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-01-09 01:23:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-01-09 01:23:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-01-09 01:23:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-01-09 01:23:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-01-09 01:23:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2025-01-09 01:23:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 01:23:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-01-09 01:23:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 01:23:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-01-09 01:23:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-01-09 01:23:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 01:23:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2025-01-09 01:23:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2025-01-09 01:23:05,416 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 01:23:05,417 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 01:23:07,648 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2025-01-09 01:23:07,648 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 01:23:07,655 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 01:23:07,655 INFO L312 CfgBuilder]: Removed 16 assume(true) statements. [2025-01-09 01:23:07,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:23:07 BoogieIcfgContainer [2025-01-09 01:23:07,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 01:23:07,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 01:23:07,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 01:23:07,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 01:23:07,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:23:04" (1/3) ... [2025-01-09 01:23:07,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cda993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:23:07, skipping insertion in model container [2025-01-09 01:23:07,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:23:05" (2/3) ... [2025-01-09 01:23:07,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cda993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:23:07, skipping insertion in model container [2025-01-09 01:23:07,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:23:07" (3/3) ... [2025-01-09 01:23:07,662 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d.c [2025-01-09 01:23:07,672 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 01:23:07,673 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1270d.c that has 2 procedures, 87 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2025-01-09 01:23:07,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 01:23:07,719 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;@2bdee15c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 01:23:07,720 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 01:23:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 82 states have (on average 1.6829268292682926) internal successors, (138), 83 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 01:23:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-09 01:23:07,744 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:23:07,748 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:23:07,748 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:23:07,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:23:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash 36951526, now seen corresponding path program 1 times [2025-01-09 01:23:07,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:23:07,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802933679] [2025-01-09 01:23:07,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:23:07,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:07,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:23:07,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:23:07,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 01:23:07,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-09 01:23:07,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-09 01:23:07,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:07,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:23:07,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 01:23:07,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:23:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:23:07,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:23:07,920 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:23:07,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802933679] [2025-01-09 01:23:07,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802933679] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:23:07,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:23:07,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 01:23:07,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436122362] [2025-01-09 01:23:07,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:23:07,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 01:23:07,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:23:07,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 01:23:07,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:23:07,936 INFO L87 Difference]: Start difference. First operand has 87 states, 82 states have (on average 1.6829268292682926) internal successors, (138), 83 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:23:07,951 INFO L93 Difference]: Finished difference Result 172 states and 284 transitions. [2025-01-09 01:23:07,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 01:23:07,952 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-01-09 01:23:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:23:07,955 INFO L225 Difference]: With dead ends: 172 [2025-01-09 01:23:07,956 INFO L226 Difference]: Without dead ends: 84 [2025-01-09 01:23:07,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 01:23:07,959 INFO L435 NwaCegarLoop]: 109 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, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 01:23:07,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 01:23:07,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-01-09 01:23:07,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2025-01-09 01:23:07,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 80 states have (on average 1.275) internal successors, (102), 80 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 01:23:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2025-01-09 01:23:07,980 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 16 [2025-01-09 01:23:07,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:23:07,980 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2025-01-09 01:23:07,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2025-01-09 01:23:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-09 01:23:07,981 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:23:07,981 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:23:07,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-01-09 01:23:08,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:08,182 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:23:08,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:23:08,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1540368234, now seen corresponding path program 1 times [2025-01-09 01:23:08,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:23:08,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010473748] [2025-01-09 01:23:08,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:23:08,184 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:08,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:23:08,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:23:08,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 01:23:08,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-09 01:23:08,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-09 01:23:08,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:08,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:23:08,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-09 01:23:08,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:23:08,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 01:23:08,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2025-01-09 01:23:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:23:08,793 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:23:08,793 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:23:08,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010473748] [2025-01-09 01:23:08,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1010473748] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:23:08,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:23:08,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 01:23:08,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005285068] [2025-01-09 01:23:08,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:23:08,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 01:23:08,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:23:08,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 01:23:08,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:23:08,795 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:09,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:23:09,924 INFO L93 Difference]: Finished difference Result 157 states and 199 transitions. [2025-01-09 01:23:09,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 01:23:09,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-01-09 01:23:09,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:23:09,926 INFO L225 Difference]: With dead ends: 157 [2025-01-09 01:23:09,926 INFO L226 Difference]: Without dead ends: 92 [2025-01-09 01:23:09,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-09 01:23:09,927 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 6 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 01:23:09,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 484 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 01:23:09,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-01-09 01:23:09,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2025-01-09 01:23:09,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 87 states have (on average 1.2528735632183907) internal successors, (109), 87 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 01:23:09,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 113 transitions. [2025-01-09 01:23:09,933 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 113 transitions. Word has length 21 [2025-01-09 01:23:09,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:23:09,933 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 113 transitions. [2025-01-09 01:23:09,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2025-01-09 01:23:09,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-09 01:23:09,934 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:23:09,934 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:23:09,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-01-09 01:23:10,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:10,134 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:23:10,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:23:10,135 INFO L85 PathProgramCache]: Analyzing trace with hash -953562220, now seen corresponding path program 1 times [2025-01-09 01:23:10,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:23:10,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488131841] [2025-01-09 01:23:10,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:23:10,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:10,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:23:10,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:23:10,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-01-09 01:23:10,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-09 01:23:10,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-09 01:23:10,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:10,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:23:10,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-01-09 01:23:10,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:23:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:23:13,339 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:23:13,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:23:13,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488131841] [2025-01-09 01:23:13,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488131841] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:23:13,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:23:13,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-01-09 01:23:13,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742198524] [2025-01-09 01:23:13,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:23:13,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-09 01:23:13,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:23:13,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-09 01:23:13,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2025-01-09 01:23:13,341 INFO L87 Difference]: Start difference. First operand 91 states and 113 transitions. Second operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:18,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:23:18,275 INFO L93 Difference]: Finished difference Result 108 states and 131 transitions. [2025-01-09 01:23:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-09 01:23:18,276 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-01-09 01:23:18,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:23:18,278 INFO L225 Difference]: With dead ends: 108 [2025-01-09 01:23:18,278 INFO L226 Difference]: Without dead ends: 35 [2025-01-09 01:23:18,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2025-01-09 01:23:18,282 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 50 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-01-09 01:23:18,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 134 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-01-09 01:23:18,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-01-09 01:23:18,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-01-09 01:23:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2025-01-09 01:23:18,291 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 21 [2025-01-09 01:23:18,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:23:18,291 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2025-01-09 01:23:18,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2025-01-09 01:23:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-09 01:23:18,292 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:23:18,292 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:23:18,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-01-09 01:23:18,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:18,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:23:18,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:23:18,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1204795479, now seen corresponding path program 1 times [2025-01-09 01:23:18,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:23:18,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868012051] [2025-01-09 01:23:18,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:23:18,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:18,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:23:18,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:23:18,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-01-09 01:23:18,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 01:23:18,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 01:23:18,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:18,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:23:18,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-09 01:23:18,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:23:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:23:18,823 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:23:18,823 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:23:18,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868012051] [2025-01-09 01:23:18,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868012051] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:23:18,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:23:18,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 01:23:18,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532998071] [2025-01-09 01:23:18,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:23:18,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 01:23:18,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:23:18,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 01:23:18,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 01:23:18,824 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:18,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:23:18,991 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2025-01-09 01:23:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 01:23:18,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-01-09 01:23:18,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:23:18,992 INFO L225 Difference]: With dead ends: 45 [2025-01-09 01:23:18,992 INFO L226 Difference]: Without dead ends: 36 [2025-01-09 01:23:18,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:23:18,993 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 01:23:18,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 74 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 01:23:18,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-01-09 01:23:18,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-01-09 01:23:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2025-01-09 01:23:18,996 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 26 [2025-01-09 01:23:18,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:23:18,997 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2025-01-09 01:23:18,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2025-01-09 01:23:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-09 01:23:18,997 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:23:18,997 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:23:19,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2025-01-09 01:23:19,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:19,198 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:23:19,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:23:19,198 INFO L85 PathProgramCache]: Analyzing trace with hash 524737109, now seen corresponding path program 1 times [2025-01-09 01:23:19,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:23:19,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784186755] [2025-01-09 01:23:19,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:23:19,199 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:19,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:23:19,201 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:23:19,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2025-01-09 01:23:19,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 01:23:19,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 01:23:19,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:19,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:23:19,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-09 01:23:19,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:23:19,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 01:23:19,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2025-01-09 01:23:19,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 01:23:19,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2025-01-09 01:23:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:23:20,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:23:20,022 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:23:20,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784186755] [2025-01-09 01:23:20,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784186755] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:23:20,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:23:20,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-01-09 01:23:20,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565097209] [2025-01-09 01:23:20,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:23:20,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-09 01:23:20,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:23:20,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-09 01:23:20,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2025-01-09 01:23:20,024 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:23:20,925 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2025-01-09 01:23:20,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-09 01:23:20,925 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-01-09 01:23:20,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:23:20,926 INFO L225 Difference]: With dead ends: 45 [2025-01-09 01:23:20,926 INFO L226 Difference]: Without dead ends: 27 [2025-01-09 01:23:20,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2025-01-09 01:23:20,927 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-09 01:23:20,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 162 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-09 01:23:20,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-01-09 01:23:20,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-01-09 01:23:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:20,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2025-01-09 01:23:20,929 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 26 [2025-01-09 01:23:20,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:23:20,930 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2025-01-09 01:23:20,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:20,930 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2025-01-09 01:23:20,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-09 01:23:20,930 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:23:20,930 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:23:20,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2025-01-09 01:23:21,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:21,131 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:23:21,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:23:21,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1096027111, now seen corresponding path program 1 times [2025-01-09 01:23:21,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:23:21,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314019955] [2025-01-09 01:23:21,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:23:21,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:21,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:23:21,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:23:21,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2025-01-09 01:23:21,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 01:23:21,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 01:23:21,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:21,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:23:21,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-09 01:23:21,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:23:21,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 01:23:21,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2025-01-09 01:23:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:23:22,195 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:23:22,195 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:23:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314019955] [2025-01-09 01:23:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314019955] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:23:22,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:23:22,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-01-09 01:23:22,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239905156] [2025-01-09 01:23:22,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:23:22,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-09 01:23:22,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:23:22,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-09 01:23:22,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-01-09 01:23:22,197 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:23:23,261 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2025-01-09 01:23:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-09 01:23:23,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-01-09 01:23:23,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:23:23,262 INFO L225 Difference]: With dead ends: 36 [2025-01-09 01:23:23,262 INFO L226 Difference]: Without dead ends: 27 [2025-01-09 01:23:23,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-01-09 01:23:23,264 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-09 01:23:23,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 140 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-09 01:23:23,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-01-09 01:23:23,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-01-09 01:23:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2025-01-09 01:23:23,267 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 26 [2025-01-09 01:23:23,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:23:23,267 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2025-01-09 01:23:23,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2025-01-09 01:23:23,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-09 01:23:23,268 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 01:23:23,268 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:23:23,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2025-01-09 01:23:23,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:23,468 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 01:23:23,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 01:23:23,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1776085481, now seen corresponding path program 1 times [2025-01-09 01:23:23,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 01:23:23,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257072025] [2025-01-09 01:23:23,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 01:23:23,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:23,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 01:23:23,471 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 01:23:23,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2025-01-09 01:23:23,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 01:23:23,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 01:23:23,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 01:23:23,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 01:23:23,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-09 01:23:23,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 01:23:23,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 01:23:23,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2025-01-09 01:23:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 01:23:23,974 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 01:23:23,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 01:23:23,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257072025] [2025-01-09 01:23:23,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257072025] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 01:23:23,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 01:23:23,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 01:23:23,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172478202] [2025-01-09 01:23:23,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 01:23:23,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 01:23:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 01:23:23,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 01:23:23,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-09 01:23:23,975 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:24,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 01:23:24,420 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2025-01-09 01:23:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 01:23:24,420 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-01-09 01:23:24,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 01:23:24,421 INFO L225 Difference]: With dead ends: 27 [2025-01-09 01:23:24,421 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 01:23:24,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-09 01:23:24,421 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 01:23:24,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 37 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 01:23:24,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 01:23:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 01:23:24,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 01:23:24,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2025-01-09 01:23:24,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 01:23:24,422 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 01:23:24,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 01:23:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 01:23:24,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 01:23:24,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 01:23:24,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2025-01-09 01:23:24,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 01:23:24,628 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-01-09 01:23:24,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 01:23:25,900 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 01:23:25,918 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:23:25,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:23:25,920 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,920 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,920 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:23:25,921 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,921 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,921 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-01-09 01:23:25,926 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-01-09 01:23:25,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:23:25 BoogieIcfgContainer [2025-01-09 01:23:25,927 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 01:23:25,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 01:23:25,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 01:23:25,927 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 01:23:25,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:23:07" (3/4) ... [2025-01-09 01:23:25,933 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 01:23:25,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2025-01-09 01:23:25,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2025-01-09 01:23:25,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-01-09 01:23:25,949 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 01:23:25,949 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 01:23:26,025 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 01:23:26,025 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 01:23:26,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 01:23:26,025 INFO L158 Benchmark]: Toolchain (without parser) took 21149.05ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 62.7MB in the end (delta: 30.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2025-01-09 01:23:26,026 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 63.3MB in the beginning and 63.3MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:23:26,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.58ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 01:23:26,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.58ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:23:26,027 INFO L158 Benchmark]: Boogie Preprocessor took 49.68ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 71.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 01:23:26,027 INFO L158 Benchmark]: RCFGBuilder took 2459.08ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 43.7MB in the end (delta: 27.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 01:23:26,028 INFO L158 Benchmark]: TraceAbstraction took 18269.00ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 71.1MB in the end (delta: -27.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2025-01-09 01:23:26,028 INFO L158 Benchmark]: Witness Printer took 97.99ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 62.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 01:23:26,029 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 63.3MB in the beginning and 63.3MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.58ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.58ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.68ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 71.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2459.08ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 43.7MB in the end (delta: 27.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 18269.00ms. Allocated memory is still 117.4MB. Free memory was 43.3MB in the beginning and 71.1MB in the end (delta: -27.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 97.99ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 62.7MB in the end (delta: 8.4MB). 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: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - 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: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 236]: 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 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 1140 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 857 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 764 IncrementalHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 283 mSDtfsCounter, 764 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=2, InterpolantAutomatonStates: 64, 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, 7 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 155 ConstructedInterpolants, 99 QuantifiedInterpolants, 2706 SizeOfPredicates, 30 NumberOfNonLiveVariables, 681 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-01-09 01:23:26,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE