./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_0683a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_0683a.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 ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 22:19:22,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 22:19:22,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-23 22:19:22,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 22:19:22,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 22:19:22,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 22:19:22,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 22:19:22,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 22:19:22,417 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 22:19:22,417 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 22:19:22,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 22:19:22,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 22:19:22,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 22:19:22,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 22:19:22,420 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 22:19:22,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 22:19:22,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 22:19:22,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 22:19:22,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 22:19:22,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 22:19:22,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 22:19:22,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 22:19:22,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 22:19:22,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 22:19:22,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 22:19:22,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 22:19:22,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 22:19:22,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 22:19:22,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 22:19:22,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 22:19:22,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 22:19:22,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 22:19:22,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:19:22,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 22:19:22,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 22:19:22,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 22:19:22,432 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 22:19:22,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 22:19:22,433 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 22:19:22,433 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 22:19:22,433 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 22:19:22,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 22:19:22,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2024-10-23 22:19:22,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 22:19:22,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 22:19:22,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 22:19:22,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 22:19:22,747 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 22:19:22,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-23 22:19:24,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 22:19:24,455 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 22:19:24,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-23 22:19:24,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/158b4081b/30af6d34bab6478eb360f0e8d3bb8e17/FLAGddb67edc0 [2024-10-23 22:19:24,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/158b4081b/30af6d34bab6478eb360f0e8d3bb8e17 [2024-10-23 22:19:24,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 22:19:24,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 22:19:24,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 22:19:24,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 22:19:24,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 22:19:24,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:19:24" (1/1) ... [2024-10-23 22:19:24,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42fcf578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:24, skipping insertion in model container [2024-10-23 22:19:24,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:19:24" (1/1) ... [2024-10-23 22:19:24,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 22:19:24,913 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_0683a.c[7147,7160] [2024-10-23 22:19:24,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:19:24,935 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 22:19:25,010 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_0683a.c[7147,7160] [2024-10-23 22:19:25,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:19:25,031 INFO L204 MainTranslator]: Completed translation [2024-10-23 22:19:25,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25 WrapperNode [2024-10-23 22:19:25,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 22:19:25,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 22:19:25,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 22:19:25,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 22:19:25,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,100 INFO L138 Inliner]: procedures = 22, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 413 [2024-10-23 22:19:25,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 22:19:25,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 22:19:25,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 22:19:25,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 22:19:25,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,148 INFO L175 MemorySlicer]: Split 65 memory accesses to 15 slices as follows [2, 3, 7, 3, 2, 7, 22, 2, 3, 2, 2, 3, 2, 3, 2]. 34 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 0, 0, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 2, 0, 2, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-10-23 22:19:25,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 22:19:25,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 22:19:25,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 22:19:25,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 22:19:25,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (1/1) ... [2024-10-23 22:19:25,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:19:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 22:19:25,278 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) [2024-10-23 22:19:25,285 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 [2024-10-23 22:19:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 22:19:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-23 22:19:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-23 22:19:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-23 22:19:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-23 22:19:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-23 22:19:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-23 22:19:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-23 22:19:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-23 22:19:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-23 22:19:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-23 22:19:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-23 22:19:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-23 22:19:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-23 22:19:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-23 22:19:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-23 22:19:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-23 22:19:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-23 22:19:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-23 22:19:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-23 22:19:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-23 22:19:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-23 22:19:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-23 22:19:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-23 22:19:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-23 22:19:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-23 22:19:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-23 22:19:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-23 22:19:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-23 22:19:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-23 22:19:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-23 22:19:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-23 22:19:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-23 22:19:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-23 22:19:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-23 22:19:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-23 22:19:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-23 22:19:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-23 22:19:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-23 22:19:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-23 22:19:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-23 22:19:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-23 22:19:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-23 22:19:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-23 22:19:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-23 22:19:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-23 22:19:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 22:19:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-23 22:19:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-23 22:19:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-10-23 22:19:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-23 22:19:25,562 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 22:19:25,563 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 22:19:26,246 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-10-23 22:19:26,247 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 22:19:26,282 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 22:19:26,283 INFO L314 CfgBuilder]: Removed 22 assume(true) statements. [2024-10-23 22:19:26,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:19:26 BoogieIcfgContainer [2024-10-23 22:19:26,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 22:19:26,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 22:19:26,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 22:19:26,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 22:19:26,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:19:24" (1/3) ... [2024-10-23 22:19:26,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6459bc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:19:26, skipping insertion in model container [2024-10-23 22:19:26,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:25" (2/3) ... [2024-10-23 22:19:26,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6459bc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:19:26, skipping insertion in model container [2024-10-23 22:19:26,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:19:26" (3/3) ... [2024-10-23 22:19:26,293 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2024-10-23 22:19:26,312 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 22:19:26,313 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 22:19:26,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 22:19:26,407 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;@600b8d20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 22:19:26,407 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 22:19:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 127 states have internal predecessors, (213), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:19:26,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-23 22:19:26,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:19:26,425 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:19:26,425 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:19:26,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:19:26,432 INFO L85 PathProgramCache]: Analyzing trace with hash 511119900, now seen corresponding path program 1 times [2024-10-23 22:19:26,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:19:26,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362016485] [2024-10-23 22:19:26,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:19:26,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:19:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:19:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:19:26,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 22:19:26,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362016485] [2024-10-23 22:19:26,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362016485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:19:26,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:19:26,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 22:19:26,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338286154] [2024-10-23 22:19:26,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:19:26,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 22:19:26,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 22:19:26,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 22:19:26,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:19:26,740 INFO L87 Difference]: Start difference. First operand has 134 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 127 states have internal predecessors, (213), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:19:26,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:19:26,814 INFO L93 Difference]: Finished difference Result 267 states and 445 transitions. [2024-10-23 22:19:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 22:19:26,818 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-10-23 22:19:26,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:19:26,828 INFO L225 Difference]: With dead ends: 267 [2024-10-23 22:19:26,828 INFO L226 Difference]: Without dead ends: 131 [2024-10-23 22:19:26,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:19:26,838 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 22:19:26,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 22:19:26,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-23 22:19:26,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-23 22:19:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 124 states have (on average 1.5) internal successors, (186), 124 states have internal predecessors, (186), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:19:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 194 transitions. [2024-10-23 22:19:26,896 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 194 transitions. Word has length 23 [2024-10-23 22:19:26,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:19:26,897 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 194 transitions. [2024-10-23 22:19:26,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:19:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 194 transitions. [2024-10-23 22:19:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-23 22:19:26,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:19:26,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:19:26,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-23 22:19:26,901 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:19:26,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:19:26,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1148574469, now seen corresponding path program 1 times [2024-10-23 22:19:26,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:19:26,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303717678] [2024-10-23 22:19:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:19:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:19:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:19:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:19:27,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 22:19:27,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303717678] [2024-10-23 22:19:27,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303717678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:19:27,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:19:27,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 22:19:27,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126852825] [2024-10-23 22:19:27,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:19:27,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 22:19:27,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 22:19:27,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 22:19:27,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 22:19:27,201 INFO L87 Difference]: Start difference. First operand 131 states and 194 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:19:27,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:19:27,252 INFO L93 Difference]: Finished difference Result 243 states and 362 transitions. [2024-10-23 22:19:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 22:19:27,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-10-23 22:19:27,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:19:27,255 INFO L225 Difference]: With dead ends: 243 [2024-10-23 22:19:27,255 INFO L226 Difference]: Without dead ends: 131 [2024-10-23 22:19:27,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 22:19:27,257 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 22:19:27,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 22:19:27,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-23 22:19:27,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-23 22:19:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 124 states have (on average 1.4919354838709677) internal successors, (185), 124 states have internal predecessors, (185), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:19:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 193 transitions. [2024-10-23 22:19:27,274 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 193 transitions. Word has length 26 [2024-10-23 22:19:27,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:19:27,277 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 193 transitions. [2024-10-23 22:19:27,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:19:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2024-10-23 22:19:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-23 22:19:27,279 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:19:27,279 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:19:27,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-23 22:19:27,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:19:27,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:19:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1191493231, now seen corresponding path program 1 times [2024-10-23 22:19:27,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:19:27,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701844705] [2024-10-23 22:19:27,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:19:27,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:19:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:19:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:19:27,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 22:19:27,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701844705] [2024-10-23 22:19:27,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701844705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:19:27,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:19:27,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 22:19:27,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284686152] [2024-10-23 22:19:27,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:19:27,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 22:19:27,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 22:19:27,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 22:19:27,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:19:27,795 INFO L87 Difference]: Start difference. First operand 131 states and 193 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:19:27,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:19:27,881 INFO L93 Difference]: Finished difference Result 252 states and 372 transitions. [2024-10-23 22:19:27,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 22:19:27,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-10-23 22:19:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:19:27,883 INFO L225 Difference]: With dead ends: 252 [2024-10-23 22:19:27,883 INFO L226 Difference]: Without dead ends: 135 [2024-10-23 22:19:27,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:19:27,887 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 2 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-23 22:19:27,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 529 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-23 22:19:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-23 22:19:27,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2024-10-23 22:19:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 127 states have (on average 1.4803149606299213) internal successors, (188), 127 states have internal predecessors, (188), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:19:27,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 196 transitions. [2024-10-23 22:19:27,919 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 196 transitions. Word has length 29 [2024-10-23 22:19:27,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:19:27,919 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 196 transitions. [2024-10-23 22:19:27,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:19:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 196 transitions. [2024-10-23 22:19:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-23 22:19:27,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:19:27,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:19:27,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-23 22:19:27,922 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:19:27,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:19:27,923 INFO L85 PathProgramCache]: Analyzing trace with hash 71967867, now seen corresponding path program 1 times [2024-10-23 22:19:27,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:19:27,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132634151] [2024-10-23 22:19:27,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:19:27,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:19:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:19:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:19:28,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 22:19:28,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132634151] [2024-10-23 22:19:28,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132634151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:19:28,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:19:28,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 22:19:28,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137799145] [2024-10-23 22:19:28,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:19:28,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 22:19:28,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 22:19:28,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 22:19:28,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:19:28,228 INFO L87 Difference]: Start difference. First operand 134 states and 196 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:19:28,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:19:28,300 INFO L93 Difference]: Finished difference Result 226 states and 336 transitions. [2024-10-23 22:19:28,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 22:19:28,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-10-23 22:19:28,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:19:28,302 INFO L225 Difference]: With dead ends: 226 [2024-10-23 22:19:28,303 INFO L226 Difference]: Without dead ends: 136 [2024-10-23 22:19:28,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 22:19:28,307 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-23 22:19:28,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 533 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-23 22:19:28,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-23 22:19:28,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-10-23 22:19:28,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 129 states have (on average 1.4728682170542635) internal successors, (190), 129 states have internal predecessors, (190), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:19:28,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 198 transitions. [2024-10-23 22:19:28,328 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 198 transitions. Word has length 30 [2024-10-23 22:19:28,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:19:28,329 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 198 transitions. [2024-10-23 22:19:28,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:19:28,329 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2024-10-23 22:19:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-23 22:19:28,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:19:28,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:19:28,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-23 22:19:28,332 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:19:28,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:19:28,333 INFO L85 PathProgramCache]: Analyzing trace with hash -975155041, now seen corresponding path program 1 times [2024-10-23 22:19:28,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 22:19:28,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324893138] [2024-10-23 22:19:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:19:28,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 22:19:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 22:19:28,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-23 22:19:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-23 22:19:28,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-23 22:19:28,603 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-23 22:19:28,604 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-23 22:19:28,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-23 22:19:28,609 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-23 22:19:28,672 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-23 22:19:28,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:19:28 BoogieIcfgContainer [2024-10-23 22:19:28,679 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-23 22:19:28,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-23 22:19:28,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-23 22:19:28,680 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-23 22:19:28,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:19:26" (3/4) ... [2024-10-23 22:19:28,682 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-23 22:19:28,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-23 22:19:28,685 INFO L158 Benchmark]: Toolchain (without parser) took 4197.10ms. Allocated memory was 180.4MB in the beginning and 278.9MB in the end (delta: 98.6MB). Free memory was 109.4MB in the beginning and 136.8MB in the end (delta: -27.4MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-10-23 22:19:28,685 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:19:28,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.53ms. Allocated memory is still 180.4MB. Free memory was 109.2MB in the beginning and 141.7MB in the end (delta: -32.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-23 22:19:28,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.88ms. Allocated memory is still 180.4MB. Free memory was 141.7MB in the beginning and 138.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-23 22:19:28,686 INFO L158 Benchmark]: Boogie Preprocessor took 133.67ms. Allocated memory is still 180.4MB. Free memory was 138.3MB in the beginning and 132.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-23 22:19:28,686 INFO L158 Benchmark]: RCFGBuilder took 1047.72ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 81.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-10-23 22:19:28,687 INFO L158 Benchmark]: TraceAbstraction took 2393.10ms. Allocated memory was 180.4MB in the beginning and 278.9MB in the end (delta: 98.6MB). Free memory was 80.9MB in the beginning and 136.8MB in the end (delta: -55.9MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-10-23 22:19:28,687 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 278.9MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 22:19:28,689 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.53ms. Allocated memory is still 180.4MB. Free memory was 109.2MB in the beginning and 141.7MB in the end (delta: -32.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.88ms. Allocated memory is still 180.4MB. Free memory was 141.7MB in the beginning and 138.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.67ms. Allocated memory is still 180.4MB. Free memory was 138.3MB in the beginning and 132.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1047.72ms. Allocated memory is still 180.4MB. Free memory was 132.0MB in the beginning and 81.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2393.10ms. Allocated memory was 180.4MB in the beginning and 278.9MB in the end (delta: 98.6MB). Free memory was 80.9MB in the beginning and 136.8MB in the end (delta: -55.9MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 278.9MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 300]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 258, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L294] CALL, EXPR isinf_double(x) [L248] __int32_t hx, lx; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L256] EXPR lx | (-lx) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L258] EXPR hx | (-hx) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L294] RET, EXPR isinf_double(x) [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, zero_atan2=0] [L294] EXPR isinf_double(x) && isfinite_double(y) [L294] CALL, EXPR isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L294] RET, EXPR isfinite_double(y) [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L296] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, ix=2147483647, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=-2147483648, ix=2147483647, iy=0, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L163] EXPR lx | -lx VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=-2147483648, ix=2147483647, iy=0, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L163] EXPR ix | ((lx | -lx) >> 31) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=-2147483648, ix=2147483647, iy=0, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=-2147483648, ix=2147483647, iy=0, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=-2147483648, ix=2147483647, iy=0, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L296] RET, EXPR __ieee754_atan2(y, x) [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L299] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L299] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L300] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 1617 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 882 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 735 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-23 22:19:28,728 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_0683a.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 ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 22:19:31,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 22:19:31,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-23 22:19:31,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 22:19:31,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 22:19:31,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 22:19:31,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 22:19:31,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 22:19:31,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 22:19:31,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 22:19:31,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 22:19:31,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 22:19:31,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 22:19:31,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 22:19:31,169 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 22:19:31,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 22:19:31,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 22:19:31,170 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 22:19:31,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 22:19:31,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 22:19:31,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 22:19:31,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 22:19:31,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 22:19:31,175 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-23 22:19:31,176 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-23 22:19:31,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 22:19:31,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-23 22:19:31,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 22:19:31,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 22:19:31,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 22:19:31,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 22:19:31,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 22:19:31,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 22:19:31,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 22:19:31,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:19:31,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 22:19:31,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 22:19:31,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 22:19:31,185 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-23 22:19:31,185 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-23 22:19:31,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 22:19:31,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 22:19:31,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 22:19:31,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 22:19:31,187 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-23 22:19:31,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2024-10-23 22:19:31,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 22:19:31,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 22:19:31,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 22:19:31,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 22:19:31,551 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 22:19:31,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-23 22:19:33,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 22:19:33,298 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 22:19:33,299 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-23 22:19:33,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2b2f361/2f299120d1bb4fd9a1df5045f393bf15/FLAG6ccc58a70 [2024-10-23 22:19:33,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2b2f361/2f299120d1bb4fd9a1df5045f393bf15 [2024-10-23 22:19:33,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 22:19:33,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 22:19:33,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 22:19:33,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 22:19:33,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 22:19:33,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:33,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348cc28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33, skipping insertion in model container [2024-10-23 22:19:33,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:33,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 22:19:33,696 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_0683a.c[7147,7160] [2024-10-23 22:19:33,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:19:33,723 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 22:19:33,804 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_0683a.c[7147,7160] [2024-10-23 22:19:33,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 22:19:33,841 INFO L204 MainTranslator]: Completed translation [2024-10-23 22:19:33,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33 WrapperNode [2024-10-23 22:19:33,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 22:19:33,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 22:19:33,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 22:19:33,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 22:19:33,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:33,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:33,920 INFO L138 Inliner]: procedures = 25, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 302 [2024-10-23 22:19:33,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 22:19:33,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 22:19:33,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 22:19:33,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 22:19:33,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:33,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:33,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:33,998 INFO L175 MemorySlicer]: Split 65 memory accesses to 15 slices as follows [2, 7, 3, 2, 7, 22, 2, 3, 3, 2, 2, 3, 2, 2, 3]. 34 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 4, 0, 0, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 0, 2, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2]. [2024-10-23 22:19:34,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:34,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:34,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:34,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:34,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:34,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:34,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 22:19:34,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 22:19:34,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 22:19:34,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 22:19:34,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (1/1) ... [2024-10-23 22:19:34,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 22:19:34,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 22:19:34,124 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) [2024-10-23 22:19:34,129 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 [2024-10-23 22:19:34,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 22:19:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-23 22:19:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-23 22:19:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-23 22:19:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-23 22:19:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-23 22:19:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-23 22:19:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-23 22:19:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-23 22:19:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-23 22:19:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-23 22:19:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-23 22:19:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-10-23 22:19:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-10-23 22:19:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-23 22:19:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-23 22:19:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-23 22:19:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-23 22:19:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-23 22:19:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-23 22:19:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-23 22:19:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-23 22:19:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-23 22:19:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-10-23 22:19:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-10-23 22:19:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-23 22:19:34,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-23 22:19:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-23 22:19:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-23 22:19:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-23 22:19:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-23 22:19:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-23 22:19:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-23 22:19:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-23 22:19:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-23 22:19:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-23 22:19:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-23 22:19:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-23 22:19:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-23 22:19:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-23 22:19:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-10-23 22:19:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-10-23 22:19:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 22:19:34,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 22:19:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-23 22:19:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-23 22:19:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-23 22:19:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-23 22:19:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-23 22:19:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-23 22:19:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-23 22:19:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-23 22:19:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-23 22:19:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-23 22:19:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-23 22:19:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-23 22:19:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-23 22:19:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-10-23 22:19:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-10-23 22:19:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-23 22:19:34,416 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 22:19:34,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 22:20:17,895 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-10-23 22:20:17,895 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 22:20:17,948 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 22:20:17,949 INFO L314 CfgBuilder]: Removed 22 assume(true) statements. [2024-10-23 22:20:17,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:20:17 BoogieIcfgContainer [2024-10-23 22:20:17,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 22:20:17,952 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 22:20:17,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 22:20:17,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 22:20:17,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:19:33" (1/3) ... [2024-10-23 22:20:17,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4977f782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:20:17, skipping insertion in model container [2024-10-23 22:20:17,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:19:33" (2/3) ... [2024-10-23 22:20:17,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4977f782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:20:17, skipping insertion in model container [2024-10-23 22:20:17,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:20:17" (3/3) ... [2024-10-23 22:20:17,959 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2024-10-23 22:20:17,974 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 22:20:17,974 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 22:20:18,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 22:20:18,042 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;@9a8f2ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 22:20:18,043 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 22:20:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.7380952380952381) internal successors, (146), 85 states have internal predecessors, (146), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:20:18,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-23 22:20:18,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:20:18,054 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:20:18,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:20:18,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:20:18,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1326973982, now seen corresponding path program 1 times [2024-10-23 22:20:18,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:20:18,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709066649] [2024-10-23 22:20:18,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:20:18,080 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 [2024-10-23 22:20:18,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:20:18,084 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) [2024-10-23 22:20:18,099 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 [2024-10-23 22:20:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:20:18,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-23 22:20:18,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:20:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:20:18,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:20:18,492 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:20:18,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709066649] [2024-10-23 22:20:18,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709066649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:20:18,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:20:18,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 22:20:18,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772667369] [2024-10-23 22:20:18,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:20:18,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 22:20:18,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:20:18,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 22:20:18,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:20:18,521 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.7380952380952381) internal successors, (146), 85 states have internal predecessors, (146), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:20:19,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:20:19,170 INFO L93 Difference]: Finished difference Result 183 states and 311 transitions. [2024-10-23 22:20:19,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 22:20:19,173 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-23 22:20:19,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:20:19,179 INFO L225 Difference]: With dead ends: 183 [2024-10-23 22:20:19,179 INFO L226 Difference]: Without dead ends: 89 [2024-10-23 22:20:19,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 22:20:19,186 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-23 22:20:19,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-23 22:20:19,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-23 22:20:19,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-23 22:20:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.451219512195122) internal successors, (119), 82 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:20:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-10-23 22:20:19,230 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 14 [2024-10-23 22:20:19,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:20:19,230 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-10-23 22:20:19,230 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:20:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-10-23 22:20:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-23 22:20:19,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:20:19,232 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:20:19,245 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 [2024-10-23 22:20:19,432 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 [2024-10-23 22:20:19,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:20:19,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:20:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash -724135017, now seen corresponding path program 1 times [2024-10-23 22:20:19,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:20:19,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929464298] [2024-10-23 22:20:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:20:19,435 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 [2024-10-23 22:20:19,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:20:19,436 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) [2024-10-23 22:20:19,438 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 [2024-10-23 22:20:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:20:19,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-23 22:20:19,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:20:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:20:20,154 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:20:20,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:20:20,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929464298] [2024-10-23 22:20:20,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929464298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:20:20,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:20:20,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 22:20:20,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925385788] [2024-10-23 22:20:20,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:20:20,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 22:20:20,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:20:20,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 22:20:20,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 22:20:20,158 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:20:21,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 22:20:21,896 INFO L93 Difference]: Finished difference Result 170 states and 245 transitions. [2024-10-23 22:20:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 22:20:21,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-23 22:20:21,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 22:20:21,899 INFO L225 Difference]: With dead ends: 170 [2024-10-23 22:20:21,899 INFO L226 Difference]: Without dead ends: 89 [2024-10-23 22:20:21,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 22:20:21,900 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-23 22:20:21,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-23 22:20:21,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-23 22:20:21,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-23 22:20:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 82 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-23 22:20:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2024-10-23 22:20:21,909 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 17 [2024-10-23 22:20:21,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 22:20:21,909 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-10-23 22:20:21,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-23 22:20:21,910 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-10-23 22:20:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-23 22:20:21,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 22:20:21,911 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 22:20:21,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-23 22:20:22,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-23 22:20:22,112 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 22:20:22,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 22:20:22,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1256442938, now seen corresponding path program 1 times [2024-10-23 22:20:22,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 22:20:22,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225828481] [2024-10-23 22:20:22,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 22:20:22,114 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 [2024-10-23 22:20:22,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 22:20:22,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-23 22:20:22,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-23 22:20:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 22:20:22,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-23 22:20:22,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 22:20:42,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 22:20:42,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 22:20:42,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 22:20:42,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225828481] [2024-10-23 22:20:42,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225828481] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 22:20:42,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 22:20:42,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-23 22:20:42,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357746158] [2024-10-23 22:20:42,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 22:20:42,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-23 22:20:42,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 22:20:42,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-23 22:20:42,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-23 22:20:42,919 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)