./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_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f89b3bbad42595f1a07c6d5289633d238961847556efb64250e94df2ad8dde4b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:34:22,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:34:22,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:34:22,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:34:22,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:34:22,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:34:22,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:34:22,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:34:22,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:34:22,277 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:34:22,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:34:22,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:34:22,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:34:22,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:34:22,283 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:34:22,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:34:22,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:34:22,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:34:22,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:34:22,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:34:22,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:34:22,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:34:22,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:34:22,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:34:22,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:34:22,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:34:22,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:34:22,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:34:22,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:34:22,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:34:22,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:34:22,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:34:22,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:22,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:34:22,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:34:22,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:34:22,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:34:22,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:34:22,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:34:22,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:34:22,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:34:22,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:34:22,293 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f89b3bbad42595f1a07c6d5289633d238961847556efb64250e94df2ad8dde4b [2024-10-11 00:34:22,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:34:22,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:34:22,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:34:22,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:34:22,541 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:34:22,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2024-10-11 00:34:24,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:34:24,239 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:34:24,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2024-10-11 00:34:24,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/531076e73/a8d57087f3644f18ae2a6f2b2a52e775/FLAGdf1aaab58 [2024-10-11 00:34:24,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/531076e73/a8d57087f3644f18ae2a6f2b2a52e775 [2024-10-11 00:34:24,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:34:24,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:34:24,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:24,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:34:24,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:34:24,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dac530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24, skipping insertion in model container [2024-10-11 00:34:24,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:34:24,818 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_0680b.c[6162,6175] [2024-10-11 00:34:24,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:24,841 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:34:24,874 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_0680b.c[6162,6175] [2024-10-11 00:34:24,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:24,897 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:34:24,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24 WrapperNode [2024-10-11 00:34:24,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:24,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:24,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:34:24,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:34:24,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,957 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 307 [2024-10-11 00:34:24,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:24,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:34:24,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:34:24,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:34:24,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,973 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:25,019 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 2, 2, 3, 3, 3, 7, 2, 7, 22, 3, 2]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 0, 0, 0, 0, 4, 0, 4, 11, 0, 0]. The 10 writes are split as follows [1, 0, 1, 2, 1, 1, 0, 1, 0, 0, 2, 1]. [2024-10-11 00:34:25,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:25,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:25,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:25,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:25,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:25,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:25,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:34:25,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:34:25,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:34:25,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:34:25,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:25,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:25,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:34:25,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:34:25,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:34:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:34:25,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:34:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 00:34:25,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 00:34:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 00:34:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 00:34:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 00:34:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 00:34:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 00:34:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 00:34:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 00:34:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 00:34:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 00:34:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:34:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 00:34:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 00:34:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 00:34:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:34:25,184 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:34:25,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 00:34:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 00:34:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 00:34:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 00:34:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-11 00:34:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-11 00:34:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-11 00:34:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-11 00:34:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-11 00:34:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-11 00:34:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-11 00:34:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-11 00:34:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:34:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:34:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:34:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:34:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 00:34:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 00:34:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 00:34:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 00:34:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 00:34:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 00:34:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 00:34:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 00:34:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 00:34:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 00:34:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 00:34:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 00:34:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-11 00:34:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-11 00:34:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-11 00:34:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-11 00:34:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-11 00:34:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-11 00:34:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-11 00:34:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-11 00:34:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-11 00:34:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-11 00:34:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-11 00:34:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-11 00:34:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:34:25,371 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:34:25,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:34:25,800 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-10-11 00:34:25,800 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:34:25,834 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:34:25,834 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-11 00:34:25,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:25 BoogieIcfgContainer [2024-10-11 00:34:25,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:34:25,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:34:25,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:34:25,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:34:25,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:24" (1/3) ... [2024-10-11 00:34:25,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d993dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:25, skipping insertion in model container [2024-10-11 00:34:25,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (2/3) ... [2024-10-11 00:34:25,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d993dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:25, skipping insertion in model container [2024-10-11 00:34:25,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:25" (3/3) ... [2024-10-11 00:34:25,854 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2024-10-11 00:34:25,870 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:34:25,871 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:34:25,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:34:25,945 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;@5fdf6459, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:34:25,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:34:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 102 states have (on average 1.7058823529411764) internal successors, (174), 103 states have internal predecessors, (174), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:34:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 00:34:25,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:25,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:25,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:25,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:25,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1217731211, now seen corresponding path program 1 times [2024-10-11 00:34:25,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:25,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192004351] [2024-10-11 00:34:25,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:25,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:34:26,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:26,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192004351] [2024-10-11 00:34:26,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192004351] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:26,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:26,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:34:26,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839096488] [2024-10-11 00:34:26,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:26,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:34:26,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:26,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:34:26,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:34:26,168 INFO L87 Difference]: Start difference. First operand has 110 states, 102 states have (on average 1.7058823529411764) internal successors, (174), 103 states have internal predecessors, (174), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:26,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:26,226 INFO L93 Difference]: Finished difference Result 219 states and 367 transitions. [2024-10-11 00:34:26,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:34:26,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-11 00:34:26,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:26,237 INFO L225 Difference]: With dead ends: 219 [2024-10-11 00:34:26,238 INFO L226 Difference]: Without dead ends: 108 [2024-10-11 00:34:26,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:34:26,250 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:26,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:26,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-11 00:34:26,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-10-11 00:34:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 101 states have internal predecessors, (155), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:34:26,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 163 transitions. [2024-10-11 00:34:26,349 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 163 transitions. Word has length 13 [2024-10-11 00:34:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:26,351 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 163 transitions. [2024-10-11 00:34:26,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2024-10-11 00:34:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 00:34:26,352 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:26,354 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:26,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:34:26,355 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:26,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:26,356 INFO L85 PathProgramCache]: Analyzing trace with hash -370902850, now seen corresponding path program 1 times [2024-10-11 00:34:26,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:26,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999628530] [2024-10-11 00:34:26,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:26,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:34:26,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:26,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999628530] [2024-10-11 00:34:26,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999628530] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:26,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:26,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:34:26,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712896804] [2024-10-11 00:34:26,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:26,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:34:26,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:26,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:34:26,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:34:26,688 INFO L87 Difference]: Start difference. First operand 108 states and 163 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:26,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:26,728 INFO L93 Difference]: Finished difference Result 196 states and 298 transitions. [2024-10-11 00:34:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:34:26,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-11 00:34:26,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:26,730 INFO L225 Difference]: With dead ends: 196 [2024-10-11 00:34:26,730 INFO L226 Difference]: Without dead ends: 110 [2024-10-11 00:34:26,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:34:26,732 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:26,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:26,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-11 00:34:26,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-10-11 00:34:26,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 103 states have (on average 1.5242718446601942) internal successors, (157), 103 states have internal predecessors, (157), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:34:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 165 transitions. [2024-10-11 00:34:26,740 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 165 transitions. Word has length 15 [2024-10-11 00:34:26,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:26,741 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 165 transitions. [2024-10-11 00:34:26,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2024-10-11 00:34:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:34:26,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:26,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:26,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 00:34:26,742 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:26,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:26,742 INFO L85 PathProgramCache]: Analyzing trace with hash 313674571, now seen corresponding path program 1 times [2024-10-11 00:34:26,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:26,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455214495] [2024-10-11 00:34:26,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:26,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:34:26,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:34:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:34:26,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:34:26,846 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:34:26,848 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:34:26,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 00:34:26,852 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 00:34:26,881 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:936) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:941) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionForProgramState(CACSL2BoogieBacktranslator.java:930) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:613) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:593) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:236) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:223) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateProgramExecution(BacktranslationService.java:72) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.(UnprovableResult.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportUnproveableResult(CegarLoopResultReporter.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCounterexampleResult(CegarLoopResultReporter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCegarLoopResult(CegarLoopResultReporter.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-11 00:34:26,887 INFO L158 Benchmark]: Toolchain (without parser) took 2289.58ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 81.5MB in the beginning and 140.3MB in the end (delta: -58.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,888 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory was 87.5MB in the beginning and 87.3MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:34:26,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.57ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 81.3MB in the beginning and 195.2MB in the end (delta: -113.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.68ms. Allocated memory is still 230.7MB. Free memory was 195.2MB in the beginning and 198.1MB in the end (delta: -3.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,890 INFO L158 Benchmark]: Boogie Preprocessor took 133.93ms. Allocated memory is still 230.7MB. Free memory was 198.1MB in the beginning and 192.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,890 INFO L158 Benchmark]: RCFGBuilder took 735.30ms. Allocated memory is still 230.7MB. Free memory was 192.9MB in the beginning and 151.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,890 INFO L158 Benchmark]: TraceAbstraction took 1043.45ms. Allocated memory is still 230.7MB. Free memory was 149.9MB in the beginning and 140.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory was 87.5MB in the beginning and 87.3MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.57ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 81.3MB in the beginning and 195.2MB in the end (delta: -113.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.68ms. Allocated memory is still 230.7MB. Free memory was 195.2MB in the beginning and 198.1MB in the end (delta: -3.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.93ms. Allocated memory is still 230.7MB. Free memory was 198.1MB in the beginning and 192.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 735.30ms. Allocated memory is still 230.7MB. Free memory was 192.9MB in the beginning and 151.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1043.45ms. Allocated memory is still 230.7MB. Free memory was 149.9MB in the beginning and 140.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it.: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-11 00:34:26,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f89b3bbad42595f1a07c6d5289633d238961847556efb64250e94df2ad8dde4b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:34:28,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:34:28,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:34:28,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:34:28,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:34:28,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:34:28,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:34:28,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:34:28,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:34:28,933 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:34:28,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:34:28,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:34:28,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:34:28,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:34:28,935 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:34:28,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:34:28,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:34:28,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:34:28,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:34:28,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:34:28,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:34:28,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:34:28,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:34:28,938 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:34:28,939 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:34:28,939 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:34:28,939 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:34:28,939 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:34:28,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:34:28,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:34:28,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:34:28,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:34:28,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:34:28,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:34:28,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:28,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:34:28,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:34:28,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:34:28,952 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:34:28,952 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:34:28,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:34:28,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:34:28,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:34:28,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:34:28,955 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:34:28,955 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f89b3bbad42595f1a07c6d5289633d238961847556efb64250e94df2ad8dde4b [2024-10-11 00:34:29,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:34:29,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:34:29,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:34:29,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:34:29,262 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:34:29,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2024-10-11 00:34:30,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:34:30,961 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:34:30,964 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2024-10-11 00:34:30,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b53181829/63a7339a787945b28f50c900f6f8c6c3/FLAG088fbe9d1 [2024-10-11 00:34:30,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b53181829/63a7339a787945b28f50c900f6f8c6c3 [2024-10-11 00:34:30,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:34:31,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:34:31,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:31,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:34:31,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:34:31,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:30" (1/1) ... [2024-10-11 00:34:31,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795bd47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31, skipping insertion in model container [2024-10-11 00:34:31,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:30" (1/1) ... [2024-10-11 00:34:31,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:34:31,241 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_0680b.c[6162,6175] [2024-10-11 00:34:31,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:31,260 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:34:31,318 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_0680b.c[6162,6175] [2024-10-11 00:34:31,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:31,343 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:34:31,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31 WrapperNode [2024-10-11 00:34:31,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:31,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:31,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:34:31,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:34:31,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,387 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 224 [2024-10-11 00:34:31,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:31,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:34:31,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:34:31,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:34:31,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,419 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 3, 7, 7, 22, 2, 3, 2, 2, 3, 3, 2]. 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, 2, 0, 0, 0, 1, 2, 1, 1, 1, 1, 1]. [2024-10-11 00:34:31,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:34:31,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:34:31,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:34:31,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:34:31,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:31,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:34:31,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:34:31,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:34:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:34:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-11 00:34:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-11 00:34:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-11 00:34:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-11 00:34:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-11 00:34:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-11 00:34:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-11 00:34:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-11 00:34:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-11 00:34:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-11 00:34:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-11 00:34:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-11 00:34:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-11 00:34:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-11 00:34:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-11 00:34:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-11 00:34:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-11 00:34:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-11 00:34:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-11 00:34:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-11 00:34:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-11 00:34:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-11 00:34:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-11 00:34:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-11 00:34:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:34:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 00:34:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 00:34:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 00:34:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-11 00:34:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-11 00:34:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-11 00:34:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-11 00:34:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-11 00:34:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-11 00:34:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-11 00:34:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-11 00:34:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:34:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:34:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:34:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-11 00:34:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-11 00:34:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:34:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-11 00:34:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-11 00:34:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-11 00:34:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-11 00:34:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-11 00:34:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:34:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:34:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 00:34:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 00:34:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-11 00:34:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:34:31,658 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:34:31,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:35:14,386 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-10-11 00:35:14,386 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:35:14,479 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:35:14,480 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-11 00:35:14,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:14 BoogieIcfgContainer [2024-10-11 00:35:14,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:35:14,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:35:14,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:35:14,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:35:14,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:30" (1/3) ... [2024-10-11 00:35:14,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f43561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:14, skipping insertion in model container [2024-10-11 00:35:14,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (2/3) ... [2024-10-11 00:35:14,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f43561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:14, skipping insertion in model container [2024-10-11 00:35:14,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:14" (3/3) ... [2024-10-11 00:35:14,493 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2024-10-11 00:35:14,510 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:35:14,511 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:35:14,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:35:14,570 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;@2744dfcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:35:14,571 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:35:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 72 states have internal predecessors, (124), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:14,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 00:35:14,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:14,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:14,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:14,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:14,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2134008556, now seen corresponding path program 1 times [2024-10-11 00:35:14,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:14,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148284642] [2024-10-11 00:35:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:14,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:14,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:14,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:14,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 00:35:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:15,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 00:35:15,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:15,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:15,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:15,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148284642] [2024-10-11 00:35:15,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148284642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:15,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:15,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:35:15,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269805802] [2024-10-11 00:35:15,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:15,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:35:15,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:15,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:35:15,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:15,063 INFO L87 Difference]: Start difference. First operand has 79 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 72 states have internal predecessors, (124), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:15,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:15,722 INFO L93 Difference]: Finished difference Result 157 states and 267 transitions. [2024-10-11 00:35:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:35:15,726 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-11 00:35:15,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:15,733 INFO L225 Difference]: With dead ends: 157 [2024-10-11 00:35:15,733 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 00:35:15,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:15,741 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:15,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 00:35:15,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 00:35:15,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-11 00:35:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-11 00:35:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2024-10-11 00:35:15,783 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 9 [2024-10-11 00:35:15,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:15,784 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2024-10-11 00:35:15,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2024-10-11 00:35:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 00:35:15,785 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:15,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:15,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 00:35:15,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:15,986 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:15,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:15,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2040576483, now seen corresponding path program 1 times [2024-10-11 00:35:15,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:15,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230742790] [2024-10-11 00:35:15,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:15,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:15,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:15,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:15,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 00:35:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:16,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 00:35:16,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:23,597 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:23,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:23,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230742790] [2024-10-11 00:35:23,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1230742790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:23,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:23,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 00:35:23,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805335867] [2024-10-11 00:35:23,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:23,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 00:35:23,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:23,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 00:35:23,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 00:35:23,603 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:39,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 00:35:39,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:39,730 INFO L93 Difference]: Finished difference Result 139 states and 196 transitions. [2024-10-11 00:35:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 00:35:39,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-11 00:35:39,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:39,733 INFO L225 Difference]: With dead ends: 139 [2024-10-11 00:35:39,733 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 00:35:39,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-11 00:35:39,735 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 139 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:39,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 346 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2024-10-11 00:35:39,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 00:35:39,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2024-10-11 00:35:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 00:35:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions. [2024-10-11 00:35:39,742 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 11 [2024-10-11 00:35:39,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:39,742 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions. [2024-10-11 00:35:39,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2024-10-11 00:35:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 00:35:39,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:39,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:39,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 00:35:39,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:39,948 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:39,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:39,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1544643026, now seen corresponding path program 1 times [2024-10-11 00:35:39,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:39,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496066255] [2024-10-11 00:35:39,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:39,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:39,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:39,952 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:39,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 00:35:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:40,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 00:35:40,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:44,505 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:44,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:44,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496066255] [2024-10-11 00:35:44,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [496066255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:44,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:44,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:35:44,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158846663] [2024-10-11 00:35:44,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:44,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 00:35:44,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:44,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 00:35:44,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 00:35:44,511 INFO L87 Difference]: Start difference. First operand 66 states and 88 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 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) [2024-10-11 00:35:48,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 00:35:49,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:49,512 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2024-10-11 00:35:49,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 00:35:49,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 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 [2024-10-11 00:35:49,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:49,513 INFO L225 Difference]: With dead ends: 118 [2024-10-11 00:35:49,513 INFO L226 Difference]: Without dead ends: 67 [2024-10-11 00:35:49,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 00:35:49,515 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 40 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:49,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 268 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-11 00:35:49,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-11 00:35:49,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2024-10-11 00:35:49,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 00:35:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions. [2024-10-11 00:35:49,521 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 14 [2024-10-11 00:35:49,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:49,521 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions. [2024-10-11 00:35:49,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 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) [2024-10-11 00:35:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2024-10-11 00:35:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:35:49,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:49,522 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:49,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-11 00:35:49,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:49,728 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:49,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:49,728 INFO L85 PathProgramCache]: Analyzing trace with hash 122947056, now seen corresponding path program 1 times [2024-10-11 00:35:49,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:49,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089932280] [2024-10-11 00:35:49,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:49,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:35:49,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:49,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:35:49,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-11 00:35:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:50,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 00:35:50,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:54,495 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:54,495 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:54,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089932280] [2024-10-11 00:35:54,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089932280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:54,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:54,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 00:35:54,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906552564] [2024-10-11 00:35:54,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:54,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 00:35:54,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:54,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 00:35:54,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 00:35:54,504 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 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) [2024-10-11 00:36:01,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:36:01,927 INFO L93 Difference]: Finished difference Result 134 states and 179 transitions. [2024-10-11 00:36:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 00:36:01,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 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 [2024-10-11 00:36:01,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:36:01,931 INFO L225 Difference]: With dead ends: 134 [2024-10-11 00:36:01,931 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 00:36:01,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-11 00:36:01,932 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 118 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 00:36:01,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 277 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 00:36:01,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 00:36:01,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2024-10-11 00:36:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 60 states have internal predecessors, (79), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 00:36:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-10-11 00:36:01,939 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 16 [2024-10-11 00:36:01,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:36:01,939 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-10-11 00:36:01,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 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) [2024-10-11 00:36:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-10-11 00:36:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 00:36:01,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:36:01,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:36:01,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-11 00:36:02,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:36:02,141 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:36:02,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:36:02,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1289042707, now seen corresponding path program 1 times [2024-10-11 00:36:02,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:36:02,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797564844] [2024-10-11 00:36:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:36:02,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 00:36:02,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:36:02,149 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 00:36:02,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-11 00:36:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:36:02,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 00:36:02,476 INFO L278 TraceCheckSpWp]: Computing forward predicates...