./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_0662a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab31643130fe59fd572e1c725f7ce4686b4f219c563d19cc3c93d88df427f8c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:15:21,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:15:21,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 17:15:21,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:15:21,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:15:21,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:15:21,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:15:21,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:15:21,654 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:15:21,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:15:21,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:15:21,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:15:21,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:15:21,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:15:21,676 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:15:21,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:15:21,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:15:21,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:15:21,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 17:15:21,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:15:21,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:15:21,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:15:21,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:15:21,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:15:21,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:15:21,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:15:21,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:15:21,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:15:21,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:15:21,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:15:21,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:15:21,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:15:21,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:21,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:15:21,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:15:21,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:15:21,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 17:15:21,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 17:15:21,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:15:21,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:15:21,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:15:21,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:15:21,682 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ab31643130fe59fd572e1c725f7ce4686b4f219c563d19cc3c93d88df427f8c [2024-10-12 17:15:21,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:15:21,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:15:21,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:15:21,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:15:21,919 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:15:21,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2024-10-12 17:15:23,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:15:23,375 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:15:23,377 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2024-10-12 17:15:23,387 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0a8c4a5/8a49a2356189400ea3229e01fd860c36/FLAG490a97ad6 [2024-10-12 17:15:23,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0a8c4a5/8a49a2356189400ea3229e01fd860c36 [2024-10-12 17:15:23,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:15:23,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:15:23,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:15:23,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:15:23,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:15:23,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@921b513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23, skipping insertion in model container [2024-10-12 17:15:23,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:15:23,717 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_0662a.c[6225,6238] [2024-10-12 17:15:23,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:15:23,738 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:15:23,786 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_0662a.c[6225,6238] [2024-10-12 17:15:23,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:15:23,812 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:15:23,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23 WrapperNode [2024-10-12 17:15:23,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:15:23,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:15:23,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:15:23,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:15:23,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,858 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 311 [2024-10-12 17:15:23,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:15:23,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:15:23,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:15:23,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:15:23,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,879 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,905 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 2, 7, 7, 22, 2, 3, 3, 2, 2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2]. [2024-10-12 17:15:23,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:15:23,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:15:23,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:15:23,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:15:23,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (1/1) ... [2024-10-12 17:15:23,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:23,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:15:23,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 17:15:23,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 17:15:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:15:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 17:15:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 17:15:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 17:15:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 17:15:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 17:15:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 17:15:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 17:15:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-12 17:15:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-12 17:15:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-12 17:15:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-12 17:15:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-12 17:15:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:15:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-12 17:15:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-12 17:15:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-12 17:15:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-12 17:15:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-12 17:15:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-12 17:15:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-12 17:15:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-12 17:15:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-12 17:15:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-12 17:15:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-12 17:15:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-12 17:15:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 17:15:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 17:15:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 17:15:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 17:15:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 17:15:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 17:15:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 17:15:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-12 17:15:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-12 17:15:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-12 17:15:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-12 17:15:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-12 17:15:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-12 17:15:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-12 17:15:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-12 17:15:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-12 17:15:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-12 17:15:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-12 17:15:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-12 17:15:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-12 17:15:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:15:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:15:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 17:15:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 17:15:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 17:15:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 17:15:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 17:15:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 17:15:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 17:15:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-12 17:15:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-12 17:15:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-12 17:15:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-12 17:15:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-12 17:15:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-12 17:15:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-12 17:15:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-12 17:15:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-12 17:15:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-12 17:15:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-12 17:15:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-12 17:15:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-12 17:15:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-12 17:15:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-12 17:15:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-12 17:15:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-12 17:15:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:15:24,201 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:15:24,204 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:15:24,741 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-10-12 17:15:24,741 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:15:24,775 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:15:24,775 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-12 17:15:24,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:15:24 BoogieIcfgContainer [2024-10-12 17:15:24,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:15:24,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:15:24,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:15:24,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:15:24,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:15:23" (1/3) ... [2024-10-12 17:15:24,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1904f53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:15:24, skipping insertion in model container [2024-10-12 17:15:24,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:23" (2/3) ... [2024-10-12 17:15:24,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1904f53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:15:24, skipping insertion in model container [2024-10-12 17:15:24,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:15:24" (3/3) ... [2024-10-12 17:15:24,784 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2024-10-12 17:15:24,797 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:15:24,797 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:15:24,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:15:24,861 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;@62f1af8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:15:24,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:15:24,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 104 states have (on average 1.7019230769230769) internal successors, (177), 105 states have internal predecessors, (177), 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) [2024-10-12 17:15:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-12 17:15:24,870 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:15:24,870 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:15:24,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:15:24,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:15:24,875 INFO L85 PathProgramCache]: Analyzing trace with hash 681056836, now seen corresponding path program 1 times [2024-10-12 17:15:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:15:24,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997097161] [2024-10-12 17:15:24,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:15:24,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:15:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:15:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:15:25,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:15:25,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997097161] [2024-10-12 17:15:25,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997097161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:15:25,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:15:25,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:15:25,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669633803] [2024-10-12 17:15:25,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:15:25,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:15:25,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:15:25,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:15:25,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:15:25,160 INFO L87 Difference]: Start difference. First operand has 112 states, 104 states have (on average 1.7019230769230769) internal successors, (177), 105 states have internal predecessors, (177), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:15:25,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:15:25,207 INFO L93 Difference]: Finished difference Result 222 states and 371 transitions. [2024-10-12 17:15:25,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:15:25,209 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-12 17:15:25,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:15:25,214 INFO L225 Difference]: With dead ends: 222 [2024-10-12 17:15:25,214 INFO L226 Difference]: Without dead ends: 109 [2024-10-12 17:15:25,217 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 [2024-10-12 17:15:25,222 INFO L432 NwaCegarLoop]: 161 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, 161 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 [2024-10-12 17:15:25,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 17:15:25,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-12 17:15:25,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-10-12 17:15:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 102 states have (on average 1.5294117647058822) internal successors, (156), 102 states have internal predecessors, (156), 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) [2024-10-12 17:15:25,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 164 transitions. [2024-10-12 17:15:25,265 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 164 transitions. Word has length 14 [2024-10-12 17:15:25,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:15:25,266 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 164 transitions. [2024-10-12 17:15:25,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:15:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2024-10-12 17:15:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-12 17:15:25,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:15:25,268 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:15:25,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 17:15:25,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:15:25,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:15:25,270 INFO L85 PathProgramCache]: Analyzing trace with hash -996690387, now seen corresponding path program 1 times [2024-10-12 17:15:25,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:15:25,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425831590] [2024-10-12 17:15:25,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:15:25,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:15:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:15:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:15:25,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:15:25,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425831590] [2024-10-12 17:15:25,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425831590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:15:25,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:15:25,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:15:25,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491639966] [2024-10-12 17:15:25,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:15:25,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 17:15:25,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:15:25,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 17:15:25,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 17:15:25,591 INFO L87 Difference]: Start difference. First operand 109 states and 164 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:15:25,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:15:25,655 INFO L93 Difference]: Finished difference Result 197 states and 299 transitions. [2024-10-12 17:15:25,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 17:15:25,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-12 17:15:25,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:15:25,656 INFO L225 Difference]: With dead ends: 197 [2024-10-12 17:15:25,656 INFO L226 Difference]: Without dead ends: 111 [2024-10-12 17:15:25,657 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 [2024-10-12 17:15:25,658 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 17:15:25,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 455 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 17:15:25,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-12 17:15:25,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-12 17:15:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 104 states have (on average 1.5192307692307692) internal successors, (158), 104 states have internal predecessors, (158), 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) [2024-10-12 17:15:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 166 transitions. [2024-10-12 17:15:25,674 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 166 transitions. Word has length 16 [2024-10-12 17:15:25,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:15:25,674 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 166 transitions. [2024-10-12 17:15:25,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:15:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2024-10-12 17:15:25,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-12 17:15:25,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:15:25,675 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:15:25,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 17:15:25,676 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:15:25,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:15:25,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1905869889, now seen corresponding path program 1 times [2024-10-12 17:15:25,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:15:25,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792062628] [2024-10-12 17:15:25,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:15:25,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:15:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:15:25,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 17:15:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:15:25,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 17:15:25,783 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 17:15:25,784 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 17:15:25,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 17:15:25,788 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-12 17:15:25,812 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:936) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:941) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionForProgramState(CACSL2BoogieBacktranslator.java:930) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:613) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:593) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:236) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:223) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateProgramExecution(BacktranslationService.java:72) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.(UnprovableResult.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportUnproveableResult(CegarLoopResultReporter.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCounterexampleResult(CegarLoopResultReporter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCegarLoopResult(CegarLoopResultReporter.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-12 17:15:25,816 INFO L158 Benchmark]: Toolchain (without parser) took 2411.71ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 70.2MB in the beginning and 104.4MB in the end (delta: -34.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,817 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory was 106.6MB in the beginning and 106.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:15:25,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.53ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 70.0MB in the beginning and 165.0MB in the end (delta: -95.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.61ms. Allocated memory is still 203.4MB. Free memory was 165.0MB in the beginning and 162.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,818 INFO L158 Benchmark]: Boogie Preprocessor took 89.94ms. Allocated memory is still 203.4MB. Free memory was 162.0MB in the beginning and 156.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,820 INFO L158 Benchmark]: RCFGBuilder took 825.68ms. Allocated memory is still 203.4MB. Free memory was 156.9MB in the beginning and 115.9MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,821 INFO L158 Benchmark]: TraceAbstraction took 1037.97ms. Allocated memory is still 203.4MB. Free memory was 115.0MB in the beginning and 104.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-10-12 17:15:25,825 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory was 106.6MB in the beginning and 106.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.53ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 70.0MB in the beginning and 165.0MB in the end (delta: -95.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.61ms. Allocated memory is still 203.4MB. Free memory was 165.0MB in the beginning and 162.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.94ms. Allocated memory is still 203.4MB. Free memory was 162.0MB in the beginning and 156.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 825.68ms. Allocated memory is still 203.4MB. Free memory was 156.9MB in the beginning and 115.9MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1037.97ms. Allocated memory is still 203.4MB. Free memory was 115.0MB in the beginning and 104.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it.: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-12 17:15:25,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab31643130fe59fd572e1c725f7ce4686b4f219c563d19cc3c93d88df427f8c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:15:27,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:15:27,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-12 17:15:27,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:15:27,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:15:27,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:15:27,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:15:27,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:15:27,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:15:27,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:15:27,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:15:27,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:15:27,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:15:27,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:15:27,971 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:15:27,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:15:27,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:15:27,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:15:27,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:15:27,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:15:27,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:15:27,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:15:27,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:15:27,973 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 17:15:27,973 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 17:15:27,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:15:27,973 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 17:15:27,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:15:27,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:15:27,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:15:27,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:15:27,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:15:27,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:15:27,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:15:27,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:27,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:15:27,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:15:27,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:15:27,978 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 17:15:27,978 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 17:15:27,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:15:27,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:15:27,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:15:27,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:15:27,979 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 17:15:27,979 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ab31643130fe59fd572e1c725f7ce4686b4f219c563d19cc3c93d88df427f8c [2024-10-12 17:15:28,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:15:28,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:15:28,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:15:28,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:15:28,247 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:15:28,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2024-10-12 17:15:29,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:15:29,796 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:15:29,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2024-10-12 17:15:29,807 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cccf99c6f/707ec6bc7aea48d491be415d7be60a55/FLAG456799362 [2024-10-12 17:15:30,183 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cccf99c6f/707ec6bc7aea48d491be415d7be60a55 [2024-10-12 17:15:30,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:15:30,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:15:30,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:15:30,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:15:30,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:15:30,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d98f656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30, skipping insertion in model container [2024-10-12 17:15:30,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:15:30,453 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_0662a.c[6225,6238] [2024-10-12 17:15:30,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:15:30,478 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:15:30,533 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_0662a.c[6225,6238] [2024-10-12 17:15:30,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:15:30,569 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:15:30,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30 WrapperNode [2024-10-12 17:15:30,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:15:30,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:15:30,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:15:30,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:15:30,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,619 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 228 [2024-10-12 17:15:30,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:15:30,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:15:30,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:15:30,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:15:30,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,655 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 3, 3, 3, 2, 7, 7, 3, 22, 2, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 0, 0, 4, 4, 0, 11, 0, 0, 0]. The 10 writes are split as follows [0, 1, 2, 1, 1, 0, 0, 2, 0, 1, 1, 1]. [2024-10-12 17:15:30,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:15:30,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:15:30,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:15:30,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:15:30,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (1/1) ... [2024-10-12 17:15:30,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:15:30,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:15:30,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 17:15:30,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 17:15:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:15:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-12 17:15:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-12 17:15:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-12 17:15:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-12 17:15:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-12 17:15:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-12 17:15:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-12 17:15:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-12 17:15:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-12 17:15:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-12 17:15:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-12 17:15:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-12 17:15:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-12 17:15:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-12 17:15:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-12 17:15:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-12 17:15:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 17:15:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-12 17:15:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-12 17:15:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-12 17:15:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-12 17:15:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-12 17:15:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-12 17:15:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-12 17:15:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-12 17:15:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-12 17:15:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-12 17:15:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-12 17:15:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-12 17:15:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-12 17:15:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-12 17:15:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-12 17:15:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-12 17:15:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-12 17:15:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-12 17:15:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-12 17:15:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-12 17:15:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-12 17:15:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-12 17:15:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-12 17:15:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-12 17:15:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:15:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-12 17:15:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:15:30,920 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:15:30,922 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:16:07,199 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-10-12 17:16:07,199 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:16:07,256 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:16:07,257 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-12 17:16:07,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:16:07 BoogieIcfgContainer [2024-10-12 17:16:07,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:16:07,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:16:07,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:16:07,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:16:07,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:15:30" (1/3) ... [2024-10-12 17:16:07,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcd7247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:16:07, skipping insertion in model container [2024-10-12 17:16:07,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:15:30" (2/3) ... [2024-10-12 17:16:07,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcd7247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:16:07, skipping insertion in model container [2024-10-12 17:16:07,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:16:07" (3/3) ... [2024-10-12 17:16:07,267 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2024-10-12 17:16:07,282 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:16:07,283 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:16:07,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:16:07,346 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;@29ae8450, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:16:07,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:16:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 73 states have (on average 1.7397260273972603) internal successors, (127), 74 states have internal predecessors, (127), 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) [2024-10-12 17:16:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-12 17:16:07,355 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:07,356 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:07,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:07,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:07,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1725812973, now seen corresponding path program 1 times [2024-10-12 17:16:07,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:16:07,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177813743] [2024-10-12 17:16:07,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:07,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:16:07,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:16:07,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:16:07,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-12 17:16:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:07,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 17:16:07,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:16:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:16:07,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:16:07,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:16:07,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177813743] [2024-10-12 17:16:07,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177813743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:16:07,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:16:07,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:16:07,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587220087] [2024-10-12 17:16:07,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:16:07,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:16:07,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:16:07,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:16:07,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:16:07,715 INFO L87 Difference]: Start difference. First operand has 81 states, 73 states have (on average 1.7397260273972603) internal successors, (127), 74 states have internal predecessors, (127), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-12 17:16:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:16:08,232 INFO L93 Difference]: Finished difference Result 160 states and 271 transitions. [2024-10-12 17:16:08,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:16:08,234 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-10-12 17:16:08,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:16:08,240 INFO L225 Difference]: With dead ends: 160 [2024-10-12 17:16:08,240 INFO L226 Difference]: Without dead ends: 78 [2024-10-12 17:16:08,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:16:08,245 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-12 17:16:08,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-12 17:16:08,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-12 17:16:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-12 17:16:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 71 states have (on average 1.4929577464788732) internal successors, (106), 71 states have internal predecessors, (106), 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) [2024-10-12 17:16:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 114 transitions. [2024-10-12 17:16:08,273 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 114 transitions. Word has length 10 [2024-10-12 17:16:08,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:16:08,273 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 114 transitions. [2024-10-12 17:16:08,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-12 17:16:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2024-10-12 17:16:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-12 17:16:08,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:08,274 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:08,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-12 17:16:08,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:16:08,480 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:08,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:08,481 INFO L85 PathProgramCache]: Analyzing trace with hash 691136534, now seen corresponding path program 1 times [2024-10-12 17:16:08,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:16:08,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221274296] [2024-10-12 17:16:08,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:08,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:16:08,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:16:08,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:16:08,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-12 17:16:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:08,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-12 17:16:08,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:16:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:16:17,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:16:17,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:16:17,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1221274296] [2024-10-12 17:16:17,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1221274296] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:16:17,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:16:17,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 17:16:17,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717600223] [2024-10-12 17:16:17,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:16:17,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 17:16:17,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:16:17,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 17:16:17,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 17:16:17,680 INFO L87 Difference]: Start difference. First operand 78 states and 114 transitions. Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:16:31,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-12 17:16:41,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-12 17:16:45,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-12 17:16:52,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-12 17:16:56,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:16:56,574 INFO L93 Difference]: Finished difference Result 141 states and 200 transitions. [2024-10-12 17:16:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 17:16:56,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-10-12 17:16:56,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:16:56,577 INFO L225 Difference]: With dead ends: 141 [2024-10-12 17:16:56,577 INFO L226 Difference]: Without dead ends: 74 [2024-10-12 17:16:56,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=41, Invalid=89, Unknown=2, NotChecked=0, Total=132 [2024-10-12 17:16:56,578 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 89 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2024-10-12 17:16:56,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 402 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 3 Unknown, 0 Unchecked, 25.8s Time] [2024-10-12 17:16:56,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-12 17:16:56,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 62. [2024-10-12 17:16:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 56 states have internal predecessors, (74), 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) [2024-10-12 17:16:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2024-10-12 17:16:56,590 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 12 [2024-10-12 17:16:56,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:16:56,590 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2024-10-12 17:16:56,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:16:56,591 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2024-10-12 17:16:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-12 17:16:56,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:16:56,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:16:56,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-12 17:16:56,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:16:56,797 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:16:56,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:16:56,798 INFO L85 PathProgramCache]: Analyzing trace with hash 966810844, now seen corresponding path program 1 times [2024-10-12 17:16:56,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:16:56,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471976090] [2024-10-12 17:16:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:16:56,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:16:56,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:16:56,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:16:56,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-12 17:16:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:16:57,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-12 17:16:57,196 INFO L278 TraceCheckSpWp]: Computing forward predicates...