./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:15:58,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:15:58,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 17:15:58,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:15:58,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:15:58,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:15:58,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:15:58,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:15:58,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:15:58,451 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:15:58,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:15:58,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:15:58,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:15:58,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:15:58,452 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:15:58,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:15:58,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:15:58,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:15:58,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 17:15:58,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:15:58,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:15:58,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:15:58,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:15:58,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:15:58,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:15:58,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:15:58,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:15:58,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:15:58,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:15:58,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:15:58,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:15:58,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:15:58,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:58,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:15:58,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:15:58,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:15:58,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 17:15:58,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 17:15:58,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:15:58,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:15:58,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:15:58,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:15:58,469 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 [2024-10-12 17:15:58,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:15:58,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:15:58,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:15:58,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:15:58,756 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:15:58,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2024-10-12 17:16:00,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:16:00,531 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:16:00,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2024-10-12 17:16:00,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a5e5b2a/c738b95192534d729087526f192719cf/FLAGa0d66e8ee [2024-10-12 17:16:00,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a5e5b2a/c738b95192534d729087526f192719cf [2024-10-12 17:16:00,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:16:00,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:16:00,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:16:00,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:16:00,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:16:00,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:16:00" (1/1) ... [2024-10-12 17:16:00,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a29336c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:00, skipping insertion in model container [2024-10-12 17:16:00,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:16:00" (1/1) ... [2024-10-12 17:16:00,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:16:00,914 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c[6324,6337] [2024-10-12 17:16:00,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:16:00,938 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:16:00,998 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c[6324,6337] [2024-10-12 17:16:01,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:16:01,026 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:16:01,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01 WrapperNode [2024-10-12 17:16:01,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:16:01,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:16:01,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:16:01,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:16:01,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,090 INFO L138 Inliner]: procedures = 20, calls = 90, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 330 [2024-10-12 17:16:01,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:16:01,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:16:01,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:16:01,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:16:01,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,165 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 7, 7, 2, 22, 3, 3, 3, 2, 2, 2, 3]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 4, 4, 0, 11, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 0, 0, 1, 0, 1, 1, 2, 1, 1, 1, 2]. [2024-10-12 17:16:01,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:16:01,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:16:01,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:16:01,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:16:01,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (1/1) ... [2024-10-12 17:16:01,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:16:01,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:16:01,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 17:16:01,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 17:16:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-10-12 17:16:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-10-12 17:16:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:16:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 17:16:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 17:16:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 17:16:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 17:16:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 17:16:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 17:16:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 17:16:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-12 17:16:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-12 17:16:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-12 17:16:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-12 17:16:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-12 17:16:01,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-12 17:16:01,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-12 17:16:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-12 17:16:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-12 17:16:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-12 17:16:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-12 17:16:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-12 17:16:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-12 17:16:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-12 17:16:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-12 17:16:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-12 17:16:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-12 17:16:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-12 17:16:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-12 17:16:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-12 17:16:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-12 17:16:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-12 17:16:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-12 17:16:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-12 17:16:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-12 17:16:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:16:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:16:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 17:16:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 17:16:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 17:16:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 17:16:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 17:16:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-12 17:16:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-12 17:16:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-12 17:16:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:16:01,592 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:16:01,594 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:16:02,152 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-10-12 17:16:02,153 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:16:02,186 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:16:02,186 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-12 17:16:02,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:16:02 BoogieIcfgContainer [2024-10-12 17:16:02,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:16:02,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:16:02,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:16:02,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:16:02,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:16:00" (1/3) ... [2024-10-12 17:16:02,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db013b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:16:02, skipping insertion in model container [2024-10-12 17:16:02,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:01" (2/3) ... [2024-10-12 17:16:02,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db013b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:16:02, skipping insertion in model container [2024-10-12 17:16:02,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:16:02" (3/3) ... [2024-10-12 17:16:02,196 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2024-10-12 17:16:02,212 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:16:02,213 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:16:02,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:16:02,285 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;@785cd0fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:16:02,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:16:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 109 states have (on average 1.6788990825688073) internal successors, (183), 110 states have internal predecessors, (183), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-12 17:16:02,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-12 17:16:02,301 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:02,302 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:02,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:02,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:02,308 INFO L85 PathProgramCache]: Analyzing trace with hash -551601804, now seen corresponding path program 1 times [2024-10-12 17:16:02,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:16:02,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358220618] [2024-10-12 17:16:02,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:02,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:16:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:02,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 17:16:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:02,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-12 17:16:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 17:16:02,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:16:02,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358220618] [2024-10-12 17:16:02,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358220618] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:16:02,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:16:02,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:16:02,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603474099] [2024-10-12 17:16:02,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:16:02,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:16:02,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:16:02,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:16:02,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:16:02,659 INFO L87 Difference]: Start difference. First operand has 121 states, 109 states have (on average 1.6788990825688073) internal successors, (183), 110 states have internal predecessors, (183), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2024-10-12 17:16:02,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:16:02,726 INFO L93 Difference]: Finished difference Result 235 states and 387 transitions. [2024-10-12 17:16:02,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:16:02,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) Word has length 23 [2024-10-12 17:16:02,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:16:02,741 INFO L225 Difference]: With dead ends: 235 [2024-10-12 17:16:02,741 INFO L226 Difference]: Without dead ends: 118 [2024-10-12 17:16:02,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:16:02,753 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 17:16:02,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 17:16:02,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-12 17:16:02,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-10-12 17:16:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 107 states have (on average 1.514018691588785) internal successors, (162), 107 states have internal predecessors, (162), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-12 17:16:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 176 transitions. [2024-10-12 17:16:02,816 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 176 transitions. Word has length 23 [2024-10-12 17:16:02,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:16:02,818 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 176 transitions. [2024-10-12 17:16:02,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2024-10-12 17:16:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2024-10-12 17:16:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-12 17:16:02,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:02,821 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:02,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 17:16:02,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:02,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:02,823 INFO L85 PathProgramCache]: Analyzing trace with hash 812971037, now seen corresponding path program 1 times [2024-10-12 17:16:02,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:16:02,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686048825] [2024-10-12 17:16:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:16:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:03,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 17:16:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-12 17:16:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-12 17:16:03,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:16:03,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686048825] [2024-10-12 17:16:03,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686048825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:16:03,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:16:03,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:16:03,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851976423] [2024-10-12 17:16:03,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:16:03,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 17:16:03,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:16:03,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 17:16:03,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 17:16:03,312 INFO L87 Difference]: Start difference. First operand 118 states and 176 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-12 17:16:03,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:16:03,406 INFO L93 Difference]: Finished difference Result 210 states and 315 transitions. [2024-10-12 17:16:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 17:16:03,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) Word has length 25 [2024-10-12 17:16:03,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:16:03,410 INFO L225 Difference]: With dead ends: 210 [2024-10-12 17:16:03,410 INFO L226 Difference]: Without dead ends: 120 [2024-10-12 17:16:03,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 17:16:03,412 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 17:16:03,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 488 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 17:16:03,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-12 17:16:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-10-12 17:16:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 109 states have (on average 1.5045871559633028) internal successors, (164), 109 states have internal predecessors, (164), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-12 17:16:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 178 transitions. [2024-10-12 17:16:03,425 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 178 transitions. Word has length 25 [2024-10-12 17:16:03,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:16:03,426 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 178 transitions. [2024-10-12 17:16:03,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-12 17:16:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 178 transitions. [2024-10-12 17:16:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-12 17:16:03,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:03,427 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:03,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 17:16:03,431 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:03,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:03,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1148720137, now seen corresponding path program 1 times [2024-10-12 17:16:03,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:16:03,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033346356] [2024-10-12 17:16:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:03,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:16:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:16:03,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 17:16:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:16:03,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 17:16:03,600 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 17:16:03,601 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 17:16:03,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 17:16:03,607 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-12 17:16:03,648 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:936) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:941) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionForProgramState(CACSL2BoogieBacktranslator.java:930) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:613) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:593) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:236) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:223) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateProgramExecution(BacktranslationService.java:72) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.(UnprovableResult.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportUnproveableResult(CegarLoopResultReporter.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCounterexampleResult(CegarLoopResultReporter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCegarLoopResult(CegarLoopResultReporter.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-12 17:16:03,656 INFO L158 Benchmark]: Toolchain (without parser) took 3090.84ms. Allocated memory is still 165.7MB. Free memory was 95.5MB in the beginning and 88.3MB in the end (delta: 7.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-10-12 17:16:03,657 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:16:03,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.46ms. Allocated memory is still 165.7MB. Free memory was 95.2MB in the beginning and 78.9MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-12 17:16:03,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.30ms. Allocated memory is still 165.7MB. Free memory was 78.7MB in the beginning and 75.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:16:03,657 INFO L158 Benchmark]: Boogie Preprocessor took 122.53ms. Allocated memory is still 165.7MB. Free memory was 75.8MB in the beginning and 70.6MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:16:03,658 INFO L158 Benchmark]: RCFGBuilder took 972.32ms. Allocated memory is still 165.7MB. Free memory was 70.6MB in the beginning and 100.1MB in the end (delta: -29.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-12 17:16:03,659 INFO L158 Benchmark]: TraceAbstraction took 1465.76ms. Allocated memory is still 165.7MB. Free memory was 99.3MB in the beginning and 88.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-10-12 17:16:03,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.46ms. Allocated memory is still 165.7MB. Free memory was 95.2MB in the beginning and 78.9MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.30ms. Allocated memory is still 165.7MB. Free memory was 78.7MB in the beginning and 75.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.53ms. Allocated memory is still 165.7MB. Free memory was 75.8MB in the beginning and 70.6MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 972.32ms. Allocated memory is still 165.7MB. Free memory was 70.6MB in the beginning and 100.1MB in the end (delta: -29.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1465.76ms. Allocated memory is still 165.7MB. Free memory was 99.3MB in the beginning and 88.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.5MB. 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 - ExceptionOrErrorResult: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it.: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-12 17:16:03,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:16:06,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:16:06,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-12 17:16:06,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:16:06,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:16:06,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:16:06,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:16:06,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:16:06,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:16:06,203 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:16:06,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:16:06,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:16:06,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:16:06,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:16:06,206 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:16:06,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:16:06,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:16:06,207 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:16:06,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:16:06,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:16:06,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:16:06,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:16:06,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:16:06,212 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 17:16:06,213 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 17:16:06,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:16:06,213 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 17:16:06,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:16:06,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:16:06,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:16:06,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:16:06,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:16:06,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:16:06,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:16:06,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:16:06,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:16:06,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:16:06,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:16:06,225 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 17:16:06,226 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 17:16:06,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:16:06,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:16:06,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:16:06,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:16:06,228 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 17:16:06,228 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 [2024-10-12 17:16:06,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:16:06,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:16:06,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:16:06,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:16:06,605 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:16:06,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2024-10-12 17:16:08,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:16:08,494 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:16:08,498 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2024-10-12 17:16:08,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f29c09b4/f4dec4727cff476a8a519e2c0d63b5cd/FLAG95fe52dd3 [2024-10-12 17:16:08,522 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f29c09b4/f4dec4727cff476a8a519e2c0d63b5cd [2024-10-12 17:16:08,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:16:08,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:16:08,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:16:08,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:16:08,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:16:08,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:16:08" (1/1) ... [2024-10-12 17:16:08,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e534494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:08, skipping insertion in model container [2024-10-12 17:16:08,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:16:08" (1/1) ... [2024-10-12 17:16:08,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:16:08,860 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c[6324,6337] [2024-10-12 17:16:08,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:16:08,921 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:16:08,999 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c[6324,6337] [2024-10-12 17:16:09,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:16:09,033 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:16:09,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09 WrapperNode [2024-10-12 17:16:09,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:16:09,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:16:09,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:16:09,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:16:09,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,106 INFO L138 Inliner]: procedures = 23, calls = 90, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 244 [2024-10-12 17:16:09,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:16:09,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:16:09,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:16:09,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:16:09,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,173 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 2, 7, 7, 22, 2, 3, 3, 2, 2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2]. [2024-10-12 17:16:09,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:16:09,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:16:09,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:16:09,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:16:09,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (1/1) ... [2024-10-12 17:16:09,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:16:09,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:16:09,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 17:16:09,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 17:16:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-10-12 17:16:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-10-12 17:16:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:16:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-12 17:16:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-12 17:16:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-12 17:16:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-12 17:16:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-12 17:16:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-12 17:16:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-12 17:16:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-12 17:16:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-12 17:16:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-12 17:16:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-12 17:16:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-12 17:16:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-12 17:16:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-12 17:16:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-12 17:16:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-12 17:16:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-12 17:16:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-12 17:16:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-12 17:16:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-12 17:16:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-12 17:16:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-12 17:16:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-12 17:16:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-12 17:16:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 17:16:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-12 17:16:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-12 17:16:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-12 17:16:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-12 17:16:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-12 17:16:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-12 17:16:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-12 17:16:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-12 17:16:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-12 17:16:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-12 17:16:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-12 17:16:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-12 17:16:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-12 17:16:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-12 17:16:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-12 17:16:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-12 17:16:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-12 17:16:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-12 17:16:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-12 17:16:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-12 17:16:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-12 17:16:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-12 17:16:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:16:09,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:16:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-12 17:16:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-12 17:16:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-12 17:16:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-12 17:16:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-12 17:16:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-12 17:16:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-12 17:16:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-12 17:16:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-12 17:16:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-12 17:16:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-12 17:16:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-12 17:16:09,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:16:09,537 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:16:09,540 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:16:51,593 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2024-10-12 17:16:51,594 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:16:51,640 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:16:51,640 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-12 17:16:51,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:16:51 BoogieIcfgContainer [2024-10-12 17:16:51,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:16:51,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:16:51,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:16:51,649 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:16:51,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:16:08" (1/3) ... [2024-10-12 17:16:51,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7356f8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:16:51, skipping insertion in model container [2024-10-12 17:16:51,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:16:09" (2/3) ... [2024-10-12 17:16:51,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7356f8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:16:51, skipping insertion in model container [2024-10-12 17:16:51,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:16:51" (3/3) ... [2024-10-12 17:16:51,653 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2024-10-12 17:16:51,671 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:16:51,672 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:16:51,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:16:51,755 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;@58bec5d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:16:51,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:16:51,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 77 states have (on average 1.7142857142857142) internal successors, (132), 78 states have internal predecessors, (132), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-12 17:16:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-12 17:16:51,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:51,769 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:51,770 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:51,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:51,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1618619782, now seen corresponding path program 1 times [2024-10-12 17:16:51,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:16:51,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930877799] [2024-10-12 17:16:51,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:51,796 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 [2024-10-12 17:16:51,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:16:51,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:16:51,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-12 17:16:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:52,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 17:16:52,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:16:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:16:52,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:16:52,249 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:16:52,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930877799] [2024-10-12 17:16:52,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930877799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:16:52,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:16:52,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:16:52,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687762319] [2024-10-12 17:16:52,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:16:52,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:16:52,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:16:52,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:16:52,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:16:52,283 INFO L87 Difference]: Start difference. First operand has 89 states, 77 states have (on average 1.7142857142857142) internal successors, (132), 78 states have internal predecessors, (132), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 17:16:52,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:16:52,941 INFO L93 Difference]: Finished difference Result 171 states and 285 transitions. [2024-10-12 17:16:52,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:16:52,944 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2024-10-12 17:16:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:16:52,961 INFO L225 Difference]: With dead ends: 171 [2024-10-12 17:16:52,963 INFO L226 Difference]: Without dead ends: 86 [2024-10-12 17:16:52,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:16:52,973 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-12 17:16:52,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-12 17:16:52,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-12 17:16:53,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-10-12 17:16:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 75 states have (on average 1.48) internal successors, (111), 75 states have internal predecessors, (111), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-12 17:16:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 125 transitions. [2024-10-12 17:16:53,013 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 125 transitions. Word has length 18 [2024-10-12 17:16:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:16:53,014 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 125 transitions. [2024-10-12 17:16:53,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-12 17:16:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2024-10-12 17:16:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-12 17:16:53,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:53,016 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:53,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-12 17:16:53,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:16:53,217 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:53,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:53,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1915466289, now seen corresponding path program 1 times [2024-10-12 17:16:53,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:16:53,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901534695] [2024-10-12 17:16:53,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:53,219 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 [2024-10-12 17:16:53,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:16:53,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:16:53,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-12 17:16:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:53,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-12 17:16:53,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:17:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:17:09,355 INFO L311 TraceCheckSpWp]: Computing backward predicates...