./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_0685a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 b4c4b31312aaf2dab8a1f8e232bdad89f6cd3959f42d2f0aaf79327a3fd01ffb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:35:40,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:35:40,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:35:40,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:35:40,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:35:40,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:35:40,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:35:40,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:35:40,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:35:40,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:35:40,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:35:40,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:35:40,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:35:40,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:35:40,896 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:35:40,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:35:40,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:35:40,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:35:40,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:35:40,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:35:40,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:35:40,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:35:40,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:35:40,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:35:40,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:35:40,900 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:35:40,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:35:40,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:35:40,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:35:40,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:35:40,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:35:40,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:35:40,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:40,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:35:40,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:35:40,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:35:40,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:35:40,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:35:40,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:35:40,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:35:40,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:35:40,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:35:40,906 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4c4b31312aaf2dab8a1f8e232bdad89f6cd3959f42d2f0aaf79327a3fd01ffb [2024-10-11 00:35:41,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:35:41,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:35:41,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:35:41,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:35:41,211 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:35:41,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2024-10-11 00:35:42,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:35:43,071 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:35:43,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2024-10-11 00:35:43,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e35e56c74/9ccfc6d64661402b8b15748dc40c5cfa/FLAGa782cd143 [2024-10-11 00:35:43,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e35e56c74/9ccfc6d64661402b8b15748dc40c5cfa [2024-10-11 00:35:43,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:35:43,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:35:43,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:43,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:35:43,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:35:43,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e063a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43, skipping insertion in model container [2024-10-11 00:35:43,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:35:43,409 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_0685a.c[6215,6228] [2024-10-11 00:35:43,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:43,426 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:35:43,486 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_0685a.c[6215,6228] [2024-10-11 00:35:43,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:43,509 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:35:43,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43 WrapperNode [2024-10-11 00:35:43,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:43,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:43,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:35:43,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:35:43,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,587 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 307 [2024-10-11 00:35:43,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:43,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:35:43,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:35:43,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:35:43,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,636 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 7, 3, 2, 7, 22, 3, 3, 3, 2, 2, 2]. 38 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]. The 10 writes are split as follows [0, 0, 2, 1, 0, 0, 2, 1, 1, 1, 1, 1]. [2024-10-11 00:35:43,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:35:43,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:35:43,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:35:43,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:35:43,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (1/1) ... [2024-10-11 00:35:43,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:35:43,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:35:43,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:35:43,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:35:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:35:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 00:35:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 00:35:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 00:35:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 00:35:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 00:35:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 00:35:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 00:35:43,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 00:35:43,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 00:35:43,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 00:35:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 00:35:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:35:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 00:35:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 00:35:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 00:35:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 00:35:43,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 00:35:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:35:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 00:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 00:35:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 00:35:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 00:35:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-11 00:35:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-11 00:35:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-11 00:35:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-11 00:35:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-11 00:35:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-11 00:35:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-11 00:35:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-11 00:35:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:35:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:35:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 00:35:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-11 00:35:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-11 00:35:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-11 00:35:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:35:44,101 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:35:44,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:35:44,673 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-10-11 00:35:44,673 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:35:44,709 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:35:44,710 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-11 00:35:44,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:44 BoogieIcfgContainer [2024-10-11 00:35:44,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:35:44,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:35:44,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:35:44,718 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:35:44,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:35:43" (1/3) ... [2024-10-11 00:35:44,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c04f454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:44, skipping insertion in model container [2024-10-11 00:35:44,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:43" (2/3) ... [2024-10-11 00:35:44,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c04f454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:44, skipping insertion in model container [2024-10-11 00:35:44,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:44" (3/3) ... [2024-10-11 00:35:44,723 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2024-10-11 00:35:44,743 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:35:44,743 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:35:44,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:35:44,816 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;@42cfa7cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:35:44,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:35:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 102 states have (on average 1.7058823529411764) internal successors, (174), 103 states have internal predecessors, (174), 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) [2024-10-11 00:35:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 00:35:44,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:44,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:44,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:44,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1217731211, now seen corresponding path program 1 times [2024-10-11 00:35:44,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:44,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096502309] [2024-10-11 00:35:44,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:44,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:45,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:45,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096502309] [2024-10-11 00:35:45,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096502309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:45,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:45,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:35:45,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792790841] [2024-10-11 00:35:45,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:45,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:35:45,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:45,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:35:45,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:45,105 INFO L87 Difference]: Start difference. First operand has 110 states, 102 states have (on average 1.7058823529411764) internal successors, (174), 103 states have internal predecessors, (174), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-10-11 00:35:45,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:45,173 INFO L93 Difference]: Finished difference Result 219 states and 367 transitions. [2024-10-11 00:35:45,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:35:45,176 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2024-10-11 00:35:45,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:45,183 INFO L225 Difference]: With dead ends: 219 [2024-10-11 00:35:45,184 INFO L226 Difference]: Without dead ends: 108 [2024-10-11 00:35:45,190 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 [2024-10-11 00:35:45,196 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:45,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:35:45,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-11 00:35:45,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-10-11 00:35:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 101 states have internal predecessors, (155), 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) [2024-10-11 00:35:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 163 transitions. [2024-10-11 00:35:45,246 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 163 transitions. Word has length 13 [2024-10-11 00:35:45,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:45,247 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 163 transitions. [2024-10-11 00:35:45,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-10-11 00:35:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2024-10-11 00:35:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 00:35:45,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:45,248 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:45,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:35:45,248 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:45,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:45,249 INFO L85 PathProgramCache]: Analyzing trace with hash -370902850, now seen corresponding path program 1 times [2024-10-11 00:35:45,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:45,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561012801] [2024-10-11 00:35:45,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:45,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:45,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:35:45,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561012801] [2024-10-11 00:35:45,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561012801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:45,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:45,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:35:45,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413150102] [2024-10-11 00:35:45,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:45,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:35:45,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:35:45,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:35:45,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:35:45,700 INFO L87 Difference]: Start difference. First operand 108 states and 163 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-10-11 00:35:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:45,828 INFO L93 Difference]: Finished difference Result 196 states and 298 transitions. [2024-10-11 00:35:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:35:45,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-10-11 00:35:45,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:45,834 INFO L225 Difference]: With dead ends: 196 [2024-10-11 00:35:45,835 INFO L226 Difference]: Without dead ends: 110 [2024-10-11 00:35:45,835 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 [2024-10-11 00:35:45,840 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:45,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 00:35:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-11 00:35:45,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-10-11 00:35:45,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 103 states have (on average 1.5242718446601942) internal successors, (157), 103 states have internal predecessors, (157), 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) [2024-10-11 00:35:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 165 transitions. [2024-10-11 00:35:45,864 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 165 transitions. Word has length 15 [2024-10-11 00:35:45,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:45,864 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 165 transitions. [2024-10-11 00:35:45,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-10-11 00:35:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2024-10-11 00:35:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:35:45,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:45,866 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:45,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 00:35:45,866 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:45,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:45,867 INFO L85 PathProgramCache]: Analyzing trace with hash 313674571, now seen corresponding path program 1 times [2024-10-11 00:35:45,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:35:45,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645045523] [2024-10-11 00:35:45,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:45,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:35:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:35:45,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:35:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:35:46,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:35:46,019 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:35:46,022 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:35:46,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 00:35:46,029 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 00:35:46,065 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:936) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:941) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionForProgramState(CACSL2BoogieBacktranslator.java:930) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:613) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:593) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:236) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:223) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateProgramExecution(BacktranslationService.java:72) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.(UnprovableResult.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportUnproveableResult(CegarLoopResultReporter.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCounterexampleResult(CegarLoopResultReporter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCegarLoopResult(CegarLoopResultReporter.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-11 00:35:46,071 INFO L158 Benchmark]: Toolchain (without parser) took 2965.88ms. Allocated memory was 174.1MB in the beginning and 257.9MB in the end (delta: 83.9MB). Free memory was 117.5MB in the beginning and 204.4MB in the end (delta: -86.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:35:46,071 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:35:46,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.68ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 100.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 00:35:46,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.73ms. Allocated memory is still 174.1MB. Free memory was 100.4MB in the beginning and 97.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 00:35:46,073 INFO L158 Benchmark]: Boogie Preprocessor took 85.45ms. Allocated memory is still 174.1MB. Free memory was 97.2MB in the beginning and 92.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 00:35:46,073 INFO L158 Benchmark]: RCFGBuilder took 1034.66ms. Allocated memory is still 174.1MB. Free memory was 92.0MB in the beginning and 106.7MB in the end (delta: -14.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-10-11 00:35:46,074 INFO L158 Benchmark]: TraceAbstraction took 1356.50ms. Allocated memory was 174.1MB in the beginning and 257.9MB in the end (delta: 83.9MB). Free memory was 105.8MB in the beginning and 204.4MB in the end (delta: -98.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:35:46,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.68ms. Allocated memory is still 174.1MB. Free memory was 117.1MB in the beginning and 100.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.73ms. Allocated memory is still 174.1MB. Free memory was 100.4MB in the beginning and 97.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.45ms. Allocated memory is still 174.1MB. Free memory was 97.2MB in the beginning and 92.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1034.66ms. Allocated memory is still 174.1MB. Free memory was 92.0MB in the beginning and 106.7MB in the end (delta: -14.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1356.50ms. Allocated memory was 174.1MB in the beginning and 257.9MB in the end (delta: 83.9MB). Free memory was 105.8MB in the beginning and 204.4MB in the end (delta: -98.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it.: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-11 00:35:46,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 b4c4b31312aaf2dab8a1f8e232bdad89f6cd3959f42d2f0aaf79327a3fd01ffb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:35:48,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:35:48,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:35:48,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:35:48,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:35:48,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:35:48,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:35:48,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:35:48,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:35:48,658 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:35:48,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:35:48,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:35:48,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:35:48,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:35:48,661 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:35:48,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:35:48,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:35:48,662 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:35:48,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:35:48,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:35:48,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:35:48,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:35:48,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:35:48,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:35:48,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:35:48,669 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:35:48,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:35:48,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:35:48,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:35:48,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:35:48,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:35:48,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:35:48,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:35:48,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:35:48,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:48,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:35:48,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:35:48,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:35:48,673 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:35:48,674 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:35:48,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:35:48,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:35:48,675 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:35:48,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:35:48,675 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:35:48,675 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4c4b31312aaf2dab8a1f8e232bdad89f6cd3959f42d2f0aaf79327a3fd01ffb [2024-10-11 00:35:49,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:35:49,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:35:49,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:35:49,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:35:49,079 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:35:49,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2024-10-11 00:35:50,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:35:50,903 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:35:50,904 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2024-10-11 00:35:50,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1dbb8d5aa/1cb49cd8ab6446e0a71bb82a957928f7/FLAG5406fb144 [2024-10-11 00:35:50,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1dbb8d5aa/1cb49cd8ab6446e0a71bb82a957928f7 [2024-10-11 00:35:50,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:35:50,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:35:50,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:50,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:35:50,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:35:50,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:50" (1/1) ... [2024-10-11 00:35:50,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b14619b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:50, skipping insertion in model container [2024-10-11 00:35:50,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:50" (1/1) ... [2024-10-11 00:35:50,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:35:51,260 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_0685a.c[6215,6228] [2024-10-11 00:35:51,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:51,301 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:35:51,367 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_0685a.c[6215,6228] [2024-10-11 00:35:51,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:35:51,396 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:35:51,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51 WrapperNode [2024-10-11 00:35:51,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:35:51,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:51,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:35:51,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:35:51,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,468 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 224 [2024-10-11 00:35:51,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:35:51,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:35:51,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:35:51,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:35:51,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,534 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 7, 7, 2, 22, 3, 3, 3, 2, 2, 2, 3]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 4, 4, 0, 11, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 0, 0, 1, 0, 1, 1, 2, 1, 1, 1, 2]. [2024-10-11 00:35:51,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:35:51,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:35:51,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:35:51,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:35:51,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (1/1) ... [2024-10-11 00:35:51,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:35:51,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:35:51,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:35:51,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:35:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:35:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-11 00:35:51,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-11 00:35:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-11 00:35:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-11 00:35:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-11 00:35:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-11 00:35:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-11 00:35:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-11 00:35:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-11 00:35:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-11 00:35:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-11 00:35:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-11 00:35:51,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-11 00:35:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-11 00:35:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-11 00:35:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-11 00:35:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:35:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 00:35:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 00:35:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 00:35:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-11 00:35:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-11 00:35:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-11 00:35:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-11 00:35:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-11 00:35:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-11 00:35:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-11 00:35:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-11 00:35:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:35:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:35:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:35:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-11 00:35:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-11 00:35:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-11 00:35:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-11 00:35:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:35:51,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:35:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 00:35:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 00:35:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 00:35:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 00:35:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-11 00:35:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-11 00:35:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-11 00:35:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-11 00:35:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-11 00:35:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-11 00:35:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-11 00:35:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-11 00:35:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:35:51,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:35:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 00:35:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 00:35:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 00:35:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 00:35:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-11 00:35:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-11 00:35:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-11 00:35:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-11 00:35:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-11 00:35:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-11 00:35:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-11 00:35:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-11 00:35:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:35:51,895 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:35:51,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:36:36,321 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-10-11 00:36:36,321 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:36:36,400 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:36:36,400 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-11 00:36:36,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:36:36 BoogieIcfgContainer [2024-10-11 00:36:36,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:36:36,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:36:36,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:36:36,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:36:36,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:35:50" (1/3) ... [2024-10-11 00:36:36,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d50965c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:36:36, skipping insertion in model container [2024-10-11 00:36:36,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:51" (2/3) ... [2024-10-11 00:36:36,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d50965c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:36:36, skipping insertion in model container [2024-10-11 00:36:36,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:36:36" (3/3) ... [2024-10-11 00:36:36,422 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2024-10-11 00:36:36,443 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:36:36,444 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:36:36,520 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:36:36,530 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;@492bc241, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:36:36,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:36:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 72 states have internal predecessors, (124), 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) [2024-10-11 00:36:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 00:36:36,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:36:36,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:36:36,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:36:36,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:36:36,557 INFO L85 PathProgramCache]: Analyzing trace with hash -2134008556, now seen corresponding path program 1 times [2024-10-11 00:36:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:36:36,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659234872] [2024-10-11 00:36:36,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:36:36,578 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 [2024-10-11 00:36:36,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:36:36,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 00:36:36,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:36:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:36:37,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 00:36:37,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:36:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:36:37,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:36:37,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:36:37,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659234872] [2024-10-11 00:36:37,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659234872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:36:37,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:36:37,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:36:37,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030269383] [2024-10-11 00:36:37,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:36:37,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:36:37,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:36:37,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:36:37,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:36:37,229 INFO L87 Difference]: Start difference. First operand has 79 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 72 states have internal predecessors, (124), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-10-11 00:36:37,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:36:37,871 INFO L93 Difference]: Finished difference Result 157 states and 267 transitions. [2024-10-11 00:36:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:36:37,883 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2024-10-11 00:36:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:36:37,890 INFO L225 Difference]: With dead ends: 157 [2024-10-11 00:36:37,891 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 00:36:37,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:36:37,900 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 00:36:37,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 00:36:37,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 00:36:37,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-11 00:36:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 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) [2024-10-11 00:36:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2024-10-11 00:36:37,959 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 9 [2024-10-11 00:36:37,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:36:37,961 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2024-10-11 00:36:37,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-10-11 00:36:37,962 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2024-10-11 00:36:37,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 00:36:37,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:36:37,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:36:37,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:36:38,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 00:36:38,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:36:38,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:36:38,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2040576483, now seen corresponding path program 1 times [2024-10-11 00:36:38,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:36:38,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092827763] [2024-10-11 00:36:38,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:36:38,167 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 [2024-10-11 00:36:38,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:36:38,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 00:36:38,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:36:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:36:38,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 00:36:38,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:36:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:36:49,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:36:49,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:36:49,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092827763] [2024-10-11 00:36:49,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092827763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:36:49,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:36:49,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 00:36:49,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410016119] [2024-10-11 00:36:49,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:36:49,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 00:36:49,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:36:49,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 00:36:49,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 00:36:49,475 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:37:04,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 00:37:06,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 00:37:11,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:37:11,645 INFO L93 Difference]: Finished difference Result 137 states and 201 transitions. [2024-10-11 00:37:11,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 00:37:11,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-11 00:37:11,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:37:11,653 INFO L225 Difference]: With dead ends: 137 [2024-10-11 00:37:11,653 INFO L226 Difference]: Without dead ends: 70 [2024-10-11 00:37:11,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-10-11 00:37:11,655 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 69 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-10-11 00:37:11,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 434 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2024-10-11 00:37:11,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-11 00:37:11,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-11 00:37:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 64 states have (on average 1.421875) internal successors, (91), 64 states have internal predecessors, (91), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 00:37:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2024-10-11 00:37:11,665 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2024-10-11 00:37:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:37:11,666 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2024-10-11 00:37:11,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:37:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-10-11 00:37:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:37:11,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:37:11,667 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:37:11,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:37:11,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-11 00:37:11,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:37:11,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:37:11,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1665220884, now seen corresponding path program 1 times [2024-10-11 00:37:11,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:37:11,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437821074] [2024-10-11 00:37:11,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:37:11,874 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 [2024-10-11 00:37:11,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:37:11,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/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) [2024-10-11 00:37:11,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:37:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:37:12,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 00:37:12,501 INFO L278 TraceCheckSpWp]: Computing forward predicates...