./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 2ecded21af21e612f7d09e448ffb0a0da08483e60b9a5a0901f8909a8d7c6dd0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:29:08,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:29:08,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:29:08,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:29:08,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:29:08,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:29:08,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:29:08,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:29:08,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:29:08,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:29:08,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:29:08,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:29:08,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:29:08,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:29:08,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:29:08,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:29:08,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:29:08,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:29:08,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:29:08,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:29:08,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:29:08,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:29:08,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:29:08,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:29:08,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:29:08,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:29:08,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:29:08,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:29:08,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:29:08,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:29:08,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:29:08,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:29:08,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:29:08,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:29:08,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:29:08,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:29:08,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:29:08,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:29:08,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:29:08,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:29:08,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:29:08,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:29:08,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:29:08,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:29:08,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:29:08,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:29:08,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:29:08,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:29:08,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:29:08,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:29:08,937 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:29:08,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:29:08,938 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:29:08,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:29:08,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:29:08,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:29:08,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:29:08,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:29:08,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:29:08,939 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:29:08,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:29:08,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:29:08,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:29:08,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:29:08,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:29:08,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:29:08,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:29:08,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:29:08,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:29:08,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:29:08,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:29:08,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:29:08,941 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:29:08,942 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:29:08,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:29:08,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecded21af21e612f7d09e448ffb0a0da08483e60b9a5a0901f8909a8d7c6dd0 [2022-02-20 16:29:09,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:29:09,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:29:09,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:29:09,140 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:29:09,144 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:29:09,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2022-02-20 16:29:09,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/416041f61/e378e8de3a44460b9e0dfb59aded0e3f/FLAG9d2aacfb7 [2022-02-20 16:29:09,529 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:29:09,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2022-02-20 16:29:09,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/416041f61/e378e8de3a44460b9e0dfb59aded0e3f/FLAG9d2aacfb7 [2022-02-20 16:29:09,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/416041f61/e378e8de3a44460b9e0dfb59aded0e3f [2022-02-20 16:29:09,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:29:09,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:29:09,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:29:09,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:29:09,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:29:09,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:29:09" (1/1) ... [2022-02-20 16:29:09,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2fd68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:09, skipping insertion in model container [2022-02-20 16:29:09,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:29:09" (1/1) ... [2022-02-20 16:29:09,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:29:09,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:29:10,214 WARN L230 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_0281.c[6064,6077] [2022-02-20 16:29:10,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:29:10,226 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:29:10,283 WARN L230 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_0281.c[6064,6077] [2022-02-20 16:29:10,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:29:10,300 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:29:10,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10 WrapperNode [2022-02-20 16:29:10,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:29:10,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:29:10,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:29:10,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:29:10,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,384 INFO L137 Inliner]: procedures = 19, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 317 [2022-02-20 16:29:10,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:29:10,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:29:10,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:29:10,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:29:10,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:29:10,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:29:10,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:29:10,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:29:10,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (1/1) ... [2022-02-20 16:29:10,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:29:10,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:29:10,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:29:10,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:29:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:29:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:29:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:29:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-20 16:29:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:29:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-20 16:29:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:29:10,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:29:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:29:10,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:29:10,597 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:29:10,599 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:29:11,328 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:29:11,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:29:11,334 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-02-20 16:29:11,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:29:11 BoogieIcfgContainer [2022-02-20 16:29:11,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:29:11,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:29:11,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:29:11,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:29:11,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:29:09" (1/3) ... [2022-02-20 16:29:11,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac5cacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:29:11, skipping insertion in model container [2022-02-20 16:29:11,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:10" (2/3) ... [2022-02-20 16:29:11,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac5cacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:29:11, skipping insertion in model container [2022-02-20 16:29:11,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:29:11" (3/3) ... [2022-02-20 16:29:11,348 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2022-02-20 16:29:11,355 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:29:11,356 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:29:11,405 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:29:11,413 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:29:11,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:29:11,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 79 states have (on average 1.7088607594936709) internal successors, (135), 80 states have internal predecessors, (135), 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) [2022-02-20 16:29:11,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 16:29:11,433 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:29:11,434 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:29:11,434 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:29:11,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:29:11,438 INFO L85 PathProgramCache]: Analyzing trace with hash 350662698, now seen corresponding path program 1 times [2022-02-20 16:29:11,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:29:11,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801021562] [2022-02-20 16:29:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:29:11,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:29:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:29:11,558 INFO L290 TraceCheckUtils]: 0: Hoare triple {84#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300;~one_asin~0 := 1.0;~huge_asin~0 := 1.0E300;~pio2_hi_asin~0 := 1.5707963267948966;~pio2_lo_asin~0 := 6.123233995736766E-17;~pio4_hi_asin~0 := 0.7853981633974483;~pS0_asin~0 := 0.16666666666666666;~pS1_asin~0 := ~someUnaryDOUBLEoperation(0.3255658186224009);~pS2_asin~0 := 0.20121253213486293;~pS3_asin~0 := ~someUnaryDOUBLEoperation(0.04005553450067941);~pS4_asin~0 := 7.915349942898145E-4;~pS5_asin~0 := 3.479331075960212E-5;~qS1_asin~0 := ~someUnaryDOUBLEoperation(2.403394911734414);~qS2_asin~0 := 2.0209457602335057;~qS3_asin~0 := ~someUnaryDOUBLEoperation(0.6882839716054533);~qS4_asin~0 := 0.07703815055590194; {84#true} is VALID [2022-02-20 16:29:11,559 INFO L290 TraceCheckUtils]: 1: Hoare triple {84#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~ret18#1, main_#t~ret19#1, main_~res~0#1, main_~x~0#1;main_~x~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; {84#true} is VALID [2022-02-20 16:29:11,560 INFO L290 TraceCheckUtils]: 2: Hoare triple {84#true} assume ~someBinaryDOUBLEComparisonOperation(main_~x~0#1, ~someUnaryDOUBLEoperation(1.0)) && ~someBinaryDOUBLEComparisonOperation(main_~x~0#1, 1.0);assume { :begin_inline___ieee754_asin } true;__ieee754_asin_#in~x#1 := main_~x~0#1;havoc __ieee754_asin_#res#1;havoc __ieee754_asin_#t~mem11#1, __ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset, __ieee754_asin_#t~mem13#1, __ieee754_asin_~#gl_u~0#1.base, __ieee754_asin_~#gl_u~0#1.offset, __ieee754_asin_~lx~0#1, __ieee754_asin_#t~ret14#1, __ieee754_asin_#t~ret15#1, __ieee754_asin_#t~mem16#1, __ieee754_asin_~#sl_u~0#1.base, __ieee754_asin_~#sl_u~0#1.offset, __ieee754_asin_~x#1, __ieee754_asin_~t~1#1, __ieee754_asin_~w~0#1, __ieee754_asin_~p~0#1, __ieee754_asin_~q~1#1, __ieee754_asin_~c~0#1, __ieee754_asin_~r~1#1, __ieee754_asin_~s~0#1, __ieee754_asin_~hx~0#1, __ieee754_asin_~ix~0#1, __ieee754_asin_#t~nondet12#1;__ieee754_asin_~x#1 := __ieee754_asin_#in~x#1;havoc __ieee754_asin_~t~1#1;havoc __ieee754_asin_~w~0#1;havoc __ieee754_asin_~p~0#1;havoc __ieee754_asin_~q~1#1;havoc __ieee754_asin_~c~0#1;havoc __ieee754_asin_~r~1#1;havoc __ieee754_asin_~s~0#1;havoc __ieee754_asin_~hx~0#1;havoc __ieee754_asin_~ix~0#1; {84#true} is VALID [2022-02-20 16:29:11,561 INFO L290 TraceCheckUtils]: 3: Hoare triple {84#true} assume !true; {85#false} is VALID [2022-02-20 16:29:11,561 INFO L290 TraceCheckUtils]: 4: Hoare triple {85#false} assume 0 == __ieee754_asin_~hx~0#1;__ieee754_asin_~ix~0#1 := 0; {85#false} is VALID [2022-02-20 16:29:11,561 INFO L290 TraceCheckUtils]: 5: Hoare triple {85#false} assume __ieee754_asin_~ix~0#1 >= 1072693248;havoc __ieee754_asin_~lx~0#1; {85#false} is VALID [2022-02-20 16:29:11,561 INFO L290 TraceCheckUtils]: 6: Hoare triple {85#false} assume !true; {85#false} is VALID [2022-02-20 16:29:11,562 INFO L290 TraceCheckUtils]: 7: Hoare triple {85#false} assume 0 == (if (1 == __ieee754_asin_~ix~0#1 - 1072693248 || 0 == __ieee754_asin_~ix~0#1 - 1072693248) && 0 == __ieee754_asin_~lx~0#1 then __ieee754_asin_~ix~0#1 - 1072693248 else (if 0 == __ieee754_asin_~ix~0#1 - 1072693248 && (1 == __ieee754_asin_~lx~0#1 || 0 == __ieee754_asin_~lx~0#1) then __ieee754_asin_~lx~0#1 else (if (1 == __ieee754_asin_~ix~0#1 - 1072693248 && (1 == __ieee754_asin_~lx~0#1 || 0 == __ieee754_asin_~lx~0#1)) || ((1 == __ieee754_asin_~ix~0#1 - 1072693248 || 0 == __ieee754_asin_~ix~0#1 - 1072693248) && 1 == __ieee754_asin_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_asin_~ix~0#1 - 1072693248, __ieee754_asin_~lx~0#1)))) % 4294967296;__ieee754_asin_#res#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~x#1, ~pio2_hi_asin~0), ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~x#1, ~pio2_lo_asin~0)); {85#false} is VALID [2022-02-20 16:29:11,562 INFO L290 TraceCheckUtils]: 8: Hoare triple {85#false} main_#t~ret18#1 := __ieee754_asin_#res#1;assume { :end_inline___ieee754_asin } true;main_~res~0#1 := main_#t~ret18#1;havoc main_#t~ret18#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x#1, isnan_double_~x#1) then 1 else 0); {85#false} is VALID [2022-02-20 16:29:11,562 INFO L290 TraceCheckUtils]: 9: Hoare triple {85#false} main_#t~ret19#1 := isnan_double_#res#1;assume { :end_inline_isnan_double } true;assume -2147483648 <= main_#t~ret19#1 && main_#t~ret19#1 <= 2147483647; {85#false} is VALID [2022-02-20 16:29:11,562 INFO L290 TraceCheckUtils]: 10: Hoare triple {85#false} assume 0 == main_#t~ret19#1;havoc main_#t~ret19#1; {85#false} is VALID [2022-02-20 16:29:11,562 INFO L290 TraceCheckUtils]: 11: Hoare triple {85#false} assume !false; {85#false} is VALID [2022-02-20 16:29:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:29:11,564 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:29:11,564 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801021562] [2022-02-20 16:29:11,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801021562] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:29:11,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:29:11,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:29:11,568 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199017834] [2022-02-20 16:29:11,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:29:11,573 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 16:29:11,575 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:29:11,577 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:11,592 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:29:11,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:29:11,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:29:11,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:29:11,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:29:11,623 INFO L87 Difference]: Start difference. First operand has 81 states, 79 states have (on average 1.7088607594936709) internal successors, (135), 80 states have internal predecessors, (135), 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:11,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:11,743 INFO L93 Difference]: Finished difference Result 159 states and 266 transitions. [2022-02-20 16:29:11,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:29:11,744 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 16:29:11,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:29:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 266 transitions. [2022-02-20 16:29:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 266 transitions. [2022-02-20 16:29:11,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 266 transitions. [2022-02-20 16:29:11,984 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 266 edges. 266 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:29:12,003 INFO L225 Difference]: With dead ends: 159 [2022-02-20 16:29:12,004 INFO L226 Difference]: Without dead ends: 77 [2022-02-20 16:29:12,006 INFO L932 BasicCegarLoop]: 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 [2022-02-20 16:29:12,008 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:29:12,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:29:12,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-02-20 16:29:12,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-02-20 16:29:12,047 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:29:12,048 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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) [2022-02-20 16:29:12,049 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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) [2022-02-20 16:29:12,051 INFO L87 Difference]: Start difference. First operand 77 states. Second operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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) [2022-02-20 16:29:12,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:12,058 INFO L93 Difference]: Finished difference Result 77 states and 106 transitions. [2022-02-20 16:29:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2022-02-20 16:29:12,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:29:12,059 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:29:12,060 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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) Second operand 77 states. [2022-02-20 16:29:12,060 INFO L87 Difference]: Start difference. First operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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) Second operand 77 states. [2022-02-20 16:29:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:12,067 INFO L93 Difference]: Finished difference Result 77 states and 106 transitions. [2022-02-20 16:29:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2022-02-20 16:29:12,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:29:12,068 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:29:12,069 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:29:12,069 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:29:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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) [2022-02-20 16:29:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2022-02-20 16:29:12,077 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 12 [2022-02-20 16:29:12,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:29:12,077 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2022-02-20 16:29:12,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2022-02-20 16:29:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 16:29:12,079 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:29:12,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:29:12,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:29:12,082 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:29:12,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:29:12,084 INFO L85 PathProgramCache]: Analyzing trace with hash -344550917, now seen corresponding path program 1 times [2022-02-20 16:29:12,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:29:12,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597101094] [2022-02-20 16:29:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:29:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:29:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:29:12,147 INFO L290 TraceCheckUtils]: 0: Hoare triple {522#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300;~one_asin~0 := 1.0;~huge_asin~0 := 1.0E300;~pio2_hi_asin~0 := 1.5707963267948966;~pio2_lo_asin~0 := 6.123233995736766E-17;~pio4_hi_asin~0 := 0.7853981633974483;~pS0_asin~0 := 0.16666666666666666;~pS1_asin~0 := ~someUnaryDOUBLEoperation(0.3255658186224009);~pS2_asin~0 := 0.20121253213486293;~pS3_asin~0 := ~someUnaryDOUBLEoperation(0.04005553450067941);~pS4_asin~0 := 7.915349942898145E-4;~pS5_asin~0 := 3.479331075960212E-5;~qS1_asin~0 := ~someUnaryDOUBLEoperation(2.403394911734414);~qS2_asin~0 := 2.0209457602335057;~qS3_asin~0 := ~someUnaryDOUBLEoperation(0.6882839716054533);~qS4_asin~0 := 0.07703815055590194; {522#true} is VALID [2022-02-20 16:29:12,147 INFO L290 TraceCheckUtils]: 1: Hoare triple {522#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~ret18#1, main_#t~ret19#1, main_~res~0#1, main_~x~0#1;main_~x~0#1 := main_#t~nondet17#1;havoc main_#t~nondet17#1; {522#true} is VALID [2022-02-20 16:29:12,148 INFO L290 TraceCheckUtils]: 2: Hoare triple {522#true} assume ~someBinaryDOUBLEComparisonOperation(main_~x~0#1, ~someUnaryDOUBLEoperation(1.0)) && ~someBinaryDOUBLEComparisonOperation(main_~x~0#1, 1.0);assume { :begin_inline___ieee754_asin } true;__ieee754_asin_#in~x#1 := main_~x~0#1;havoc __ieee754_asin_#res#1;havoc __ieee754_asin_#t~mem11#1, __ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset, __ieee754_asin_#t~mem13#1, __ieee754_asin_~#gl_u~0#1.base, __ieee754_asin_~#gl_u~0#1.offset, __ieee754_asin_~lx~0#1, __ieee754_asin_#t~ret14#1, __ieee754_asin_#t~ret15#1, __ieee754_asin_#t~mem16#1, __ieee754_asin_~#sl_u~0#1.base, __ieee754_asin_~#sl_u~0#1.offset, __ieee754_asin_~x#1, __ieee754_asin_~t~1#1, __ieee754_asin_~w~0#1, __ieee754_asin_~p~0#1, __ieee754_asin_~q~1#1, __ieee754_asin_~c~0#1, __ieee754_asin_~r~1#1, __ieee754_asin_~s~0#1, __ieee754_asin_~hx~0#1, __ieee754_asin_~ix~0#1, __ieee754_asin_#t~nondet12#1;__ieee754_asin_~x#1 := __ieee754_asin_#in~x#1;havoc __ieee754_asin_~t~1#1;havoc __ieee754_asin_~w~0#1;havoc __ieee754_asin_~p~0#1;havoc __ieee754_asin_~q~1#1;havoc __ieee754_asin_~c~0#1;havoc __ieee754_asin_~r~1#1;havoc __ieee754_asin_~s~0#1;havoc __ieee754_asin_~hx~0#1;havoc __ieee754_asin_~ix~0#1; {522#true} is VALID [2022-02-20 16:29:12,148 INFO L290 TraceCheckUtils]: 3: Hoare triple {522#true} call __ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset := #Ultimate.allocOnStack(8);call write~real(__ieee754_asin_~x#1, __ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset, 8);call __ieee754_asin_#t~mem11#1 := read~int(__ieee754_asin_~#gh_u~1#1.base, 4 + __ieee754_asin_~#gh_u~1#1.offset, 4);__ieee754_asin_~hx~0#1 := (if __ieee754_asin_#t~mem11#1 % 4294967296 % 4294967296 <= 2147483647 then __ieee754_asin_#t~mem11#1 % 4294967296 % 4294967296 else __ieee754_asin_#t~mem11#1 % 4294967296 % 4294967296 - 4294967296);havoc __ieee754_asin_#t~mem11#1;call ULTIMATE.dealloc(__ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset);havoc __ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset; {522#true} is VALID [2022-02-20 16:29:12,148 INFO L290 TraceCheckUtils]: 4: Hoare triple {522#true} goto; {522#true} is VALID [2022-02-20 16:29:12,149 INFO L290 TraceCheckUtils]: 5: Hoare triple {522#true} assume 0 == __ieee754_asin_~hx~0#1;__ieee754_asin_~ix~0#1 := 0; {524#(= |ULTIMATE.start___ieee754_asin_~ix~0#1| 0)} is VALID [2022-02-20 16:29:12,149 INFO L290 TraceCheckUtils]: 6: Hoare triple {524#(= |ULTIMATE.start___ieee754_asin_~ix~0#1| 0)} assume !(__ieee754_asin_~ix~0#1 >= 1072693248); {524#(= |ULTIMATE.start___ieee754_asin_~ix~0#1| 0)} is VALID [2022-02-20 16:29:12,149 INFO L290 TraceCheckUtils]: 7: Hoare triple {524#(= |ULTIMATE.start___ieee754_asin_~ix~0#1| 0)} assume __ieee754_asin_~ix~0#1 < 1071644672; {524#(= |ULTIMATE.start___ieee754_asin_~ix~0#1| 0)} is VALID [2022-02-20 16:29:12,150 INFO L290 TraceCheckUtils]: 8: Hoare triple {524#(= |ULTIMATE.start___ieee754_asin_~ix~0#1| 0)} assume !(__ieee754_asin_~ix~0#1 < 1044381696);__ieee754_asin_~t~1#1 := ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~x#1, __ieee754_asin_~x#1);__ieee754_asin_~p~0#1 := ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~someBinaryArithmeticDOUBLEoperation(~pS0_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~someBinaryArithmeticDOUBLEoperation(~pS1_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~someBinaryArithmeticDOUBLEoperation(~pS2_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~someBinaryArithmeticDOUBLEoperation(~pS3_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~someBinaryArithmeticDOUBLEoperation(~pS4_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~pS5_asin~0)))))))))));__ieee754_asin_~q~1#1 := ~someBinaryArithmeticDOUBLEoperation(~one_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~someBinaryArithmeticDOUBLEoperation(~qS1_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~someBinaryArithmeticDOUBLEoperation(~qS2_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~someBinaryArithmeticDOUBLEoperation(~qS3_asin~0, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~t~1#1, ~qS4_asin~0))))))));__ieee754_asin_~w~0#1 := ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~p~0#1, __ieee754_asin_~q~1#1);__ieee754_asin_#res#1 := ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~x#1, ~someBinaryArithmeticDOUBLEoperation(__ieee754_asin_~x#1, __ieee754_asin_~w~0#1)); {523#false} is VALID [2022-02-20 16:29:12,150 INFO L290 TraceCheckUtils]: 9: Hoare triple {523#false} main_#t~ret18#1 := __ieee754_asin_#res#1;assume { :end_inline___ieee754_asin } true;main_~res~0#1 := main_#t~ret18#1;havoc main_#t~ret18#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x#1, isnan_double_~x#1) then 1 else 0); {523#false} is VALID [2022-02-20 16:29:12,150 INFO L290 TraceCheckUtils]: 10: Hoare triple {523#false} main_#t~ret19#1 := isnan_double_#res#1;assume { :end_inline_isnan_double } true;assume -2147483648 <= main_#t~ret19#1 && main_#t~ret19#1 <= 2147483647; {523#false} is VALID [2022-02-20 16:29:12,151 INFO L290 TraceCheckUtils]: 11: Hoare triple {523#false} assume 0 == main_#t~ret19#1;havoc main_#t~ret19#1; {523#false} is VALID [2022-02-20 16:29:12,151 INFO L290 TraceCheckUtils]: 12: Hoare triple {523#false} assume !false; {523#false} is VALID [2022-02-20 16:29:12,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:29:12,151 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:29:12,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597101094] [2022-02-20 16:29:12,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597101094] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:29:12,152 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:29:12,152 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:29:12,152 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774558965] [2022-02-20 16:29:12,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:29:12,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 [2022-02-20 16:29:12,154 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:29:12,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-02-20 16:29:12,164 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:29:12,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:29:12,165 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:29:12,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:29:12,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:29:12,166 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-02-20 16:29:12,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:12,376 INFO L93 Difference]: Finished difference Result 206 states and 284 transitions. [2022-02-20 16:29:12,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:29:12,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 [2022-02-20 16:29:12,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:29:12,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-02-20 16:29:12,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2022-02-20 16:29:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-02-20 16:29:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2022-02-20 16:29:12,382 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 284 transitions. [2022-02-20 16:29:12,597 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 284 edges. 284 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:29:12,601 INFO L225 Difference]: With dead ends: 206 [2022-02-20 16:29:12,601 INFO L226 Difference]: Without dead ends: 142 [2022-02-20 16:29:12,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:29:12,602 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 85 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:29:12,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 196 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:29:12,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-02-20 16:29:12,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 133. [2022-02-20 16:29:12,610 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:29:12,610 INFO L82 GeneralOperation]: Start isEquivalent. First operand 142 states. Second operand has 133 states, 132 states have (on average 1.393939393939394) internal successors, (184), 132 states have internal predecessors, (184), 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) [2022-02-20 16:29:12,610 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand has 133 states, 132 states have (on average 1.393939393939394) internal successors, (184), 132 states have internal predecessors, (184), 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) [2022-02-20 16:29:12,611 INFO L87 Difference]: Start difference. First operand 142 states. Second operand has 133 states, 132 states have (on average 1.393939393939394) internal successors, (184), 132 states have internal predecessors, (184), 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) [2022-02-20 16:29:12,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:12,614 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2022-02-20 16:29:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 193 transitions. [2022-02-20 16:29:12,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:29:12,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:29:12,615 INFO L74 IsIncluded]: Start isIncluded. First operand has 133 states, 132 states have (on average 1.393939393939394) internal successors, (184), 132 states have internal predecessors, (184), 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) Second operand 142 states. [2022-02-20 16:29:12,616 INFO L87 Difference]: Start difference. First operand has 133 states, 132 states have (on average 1.393939393939394) internal successors, (184), 132 states have internal predecessors, (184), 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) Second operand 142 states. [2022-02-20 16:29:12,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:12,619 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2022-02-20 16:29:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 193 transitions. [2022-02-20 16:29:12,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:29:12,620 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:29:12,620 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:29:12,620 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:29:12,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.393939393939394) internal successors, (184), 132 states have internal predecessors, (184), 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) [2022-02-20 16:29:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 184 transitions. [2022-02-20 16:29:12,623 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 184 transitions. Word has length 13 [2022-02-20 16:29:12,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:29:12,623 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 184 transitions. [2022-02-20 16:29:12,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-02-20 16:29:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 184 transitions. [2022-02-20 16:29:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 16:29:12,624 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:29:12,624 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:29:12,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:29:12,625 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:29:12,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:29:12,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1760471223, now seen corresponding path program 1 times [2022-02-20 16:29:12,625 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:29:12,625 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946105221] [2022-02-20 16:29:12,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:29:12,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:29:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:29:12,651 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:29:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:29:12,680 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:29:12,681 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:29:12,681 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:29:12,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 16:29:12,685 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-20 16:29:12,687 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:29:12,706 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L168-2 has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L168-2 has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L244-2 has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2022-02-20 16:29:12,707 WARN L170 areAnnotationChecker]: L168-3 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L168-3 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L255 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L173-7 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L173-7 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L173-1 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L173-1 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L176-2 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L176-2 has no Hoare annotation [2022-02-20 16:29:12,708 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L173-3 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L173-3 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L176-3 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L176-3 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2022-02-20 16:29:12,709 WARN L170 areAnnotationChecker]: L185-1 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L173-5 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L173-5 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2022-02-20 16:29:12,710 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L250 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L250 has no Hoare annotation [2022-02-20 16:29:12,711 WARN L170 areAnnotationChecker]: L146 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-02-20 16:29:12,712 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L211-2 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L211-2 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L216-2 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L216-2 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2022-02-20 16:29:12,713 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L216-1 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L216-1 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L216-3 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L49-2 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2022-02-20 16:29:12,714 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L55-3 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L62-8 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L62-8 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L62-2 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L62-2 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L63-1 has no Hoare annotation [2022-02-20 16:29:12,715 WARN L170 areAnnotationChecker]: L62-4 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L62-4 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L62-6 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L62-6 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L74-3 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 16:29:12,716 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2022-02-20 16:29:12,717 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L92-2 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2022-02-20 16:29:12,718 WARN L170 areAnnotationChecker]: L122-2 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L125-2 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L125-2 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L95-2 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L113-2 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L125-1 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L125-1 has no Hoare annotation [2022-02-20 16:29:12,719 WARN L170 areAnnotationChecker]: L125-3 has no Hoare annotation [2022-02-20 16:29:12,720 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:29:12,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:29:12 BoogieIcfgContainer [2022-02-20 16:29:12,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:29:12,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:29:12,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:29:12,721 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:29:12,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:29:11" (3/4) ... [2022-02-20 16:29:12,723 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-20 16:29:12,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:29:12,725 INFO L158 Benchmark]: Toolchain (without parser) took 2776.60ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 118.6MB in the beginning and 96.9MB in the end (delta: 21.7MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2022-02-20 16:29:12,725 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:29:12,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.38ms. Allocated memory is still 148.9MB. Free memory was 118.3MB in the beginning and 117.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:29:12,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.01ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 109.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:29:12,726 INFO L158 Benchmark]: Boogie Preprocessor took 65.79ms. Allocated memory is still 148.9MB. Free memory was 109.6MB in the beginning and 105.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 16:29:12,726 INFO L158 Benchmark]: RCFGBuilder took 883.69ms. Allocated memory is still 148.9MB. Free memory was 105.4MB in the beginning and 106.6MB in the end (delta: -1.2MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-02-20 16:29:12,726 INFO L158 Benchmark]: TraceAbstraction took 1384.12ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 105.9MB in the beginning and 98.0MB in the end (delta: 7.9MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-02-20 16:29:12,727 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 203.4MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:29:12,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.38ms. Allocated memory is still 148.9MB. Free memory was 118.3MB in the beginning and 117.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.01ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 109.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.79ms. Allocated memory is still 148.9MB. Free memory was 109.6MB in the beginning and 105.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 883.69ms. Allocated memory is still 148.9MB. Free memory was 105.4MB in the beginning and 106.6MB in the end (delta: -1.2MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1384.12ms. Allocated memory was 148.9MB in the beginning and 203.4MB in the end (delta: 54.5MB). Free memory was 105.9MB in the beginning and 98.0MB in the end (delta: 7.9MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 203.4MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 250]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 20, overapproximation of someUnaryDOUBLEoperation at line 155. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L149-L163] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] double x = __VERIFIER_nondet_double(); [L244] COND TRUE x < -1.0 && x > 1.0 [L246] CALL, EXPR __ieee754_asin(x) [L166] double t, w, p, q, c, r, s; [L167] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L169] ieee_double_shape_type gh_u; [L170] gh_u.value = (x) [L171] EXPR gh_u.parts.msw [L171] (hx) = gh_u.parts.msw [L173] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L174] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L185] COND TRUE ix < 0x3fe00000 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L186] COND TRUE ix < 0x3e400000 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L187] COND TRUE huge_asin + x > one_asin [L188] return x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \result=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L246] RET, EXPR __ieee754_asin(x) [L246] double res = __ieee754_asin(x); [L249] CALL, EXPR isnan_double(res) [L20] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \result=0, huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L249] RET, EXPR isnan_double(res) [L249] COND TRUE !isnan_double(res) [L250] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 215 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-20 16:29:12,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 2ecded21af21e612f7d09e448ffb0a0da08483e60b9a5a0901f8909a8d7c6dd0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:29:14,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:29:14,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:29:14,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:29:14,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:29:14,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:29:14,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:29:14,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:29:14,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:29:14,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:29:14,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:29:14,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:29:14,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:29:14,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:29:14,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:29:14,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:29:14,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:29:14,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:29:14,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:29:14,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:29:14,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:29:14,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:29:14,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:29:14,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:29:14,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:29:14,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:29:14,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:29:14,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:29:14,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:29:14,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:29:14,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:29:14,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:29:14,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:29:14,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:29:14,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:29:14,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:29:14,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:29:14,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:29:14,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:29:14,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:29:14,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:29:14,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:29:14,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:29:14,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:29:14,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:29:14,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:29:14,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:29:14,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:29:14,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:29:14,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:29:14,590 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:29:14,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:29:14,591 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:29:14,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:29:14,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:29:14,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:29:14,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:29:14,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:29:14,592 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:29:14,592 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:29:14,592 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:29:14,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:29:14,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:29:14,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:29:14,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:29:14,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:29:14,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:29:14,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:29:14,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:29:14,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:29:14,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:29:14,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:29:14,594 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:29:14,594 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:29:14,595 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:29:14,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:29:14,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:29:14,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:29:14,595 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecded21af21e612f7d09e448ffb0a0da08483e60b9a5a0901f8909a8d7c6dd0 [2022-02-20 16:29:14,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:29:14,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:29:14,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:29:14,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:29:14,895 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:29:14,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2022-02-20 16:29:14,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffeeff739/9fda929cdde540f8a59265789d2f1688/FLAGcd5fe8035 [2022-02-20 16:29:15,325 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:29:15,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2022-02-20 16:29:15,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffeeff739/9fda929cdde540f8a59265789d2f1688/FLAGcd5fe8035 [2022-02-20 16:29:15,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffeeff739/9fda929cdde540f8a59265789d2f1688 [2022-02-20 16:29:15,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:29:15,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:29:15,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:29:15,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:29:15,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:29:15,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264f1953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15, skipping insertion in model container [2022-02-20 16:29:15,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:29:15,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:29:15,603 WARN L230 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_0281.c[6064,6077] [2022-02-20 16:29:15,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:29:15,619 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:29:15,681 WARN L230 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_0281.c[6064,6077] [2022-02-20 16:29:15,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:29:15,698 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:29:15,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15 WrapperNode [2022-02-20 16:29:15,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:29:15,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:29:15,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:29:15,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:29:15,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,770 INFO L137 Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 293 [2022-02-20 16:29:15,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:29:15,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:29:15,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:29:15,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:29:15,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:29:15,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:29:15,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:29:15,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:29:15,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (1/1) ... [2022-02-20 16:29:15,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:29:15,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:29:15,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:29:15,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:29:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:29:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-02-20 16:29:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-02-20 16:29:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:29:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:29:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:29:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:29:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:29:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:29:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:29:16,001 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:29:16,002 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:29:36,206 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:29:36,212 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:29:36,212 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-02-20 16:29:36,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:29:36 BoogieIcfgContainer [2022-02-20 16:29:36,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:29:36,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:29:36,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:29:36,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:29:36,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:29:15" (1/3) ... [2022-02-20 16:29:36,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db48bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:29:36, skipping insertion in model container [2022-02-20 16:29:36,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:29:15" (2/3) ... [2022-02-20 16:29:36,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db48bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:29:36, skipping insertion in model container [2022-02-20 16:29:36,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:29:36" (3/3) ... [2022-02-20 16:29:36,230 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2022-02-20 16:29:36,237 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:29:36,237 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:29:36,303 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:29:36,309 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:29:36,309 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:29:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 73 states have internal predecessors, (120), 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) [2022-02-20 16:29:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 16:29:36,335 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:29:36,335 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:29:36,336 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:29:36,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:29:36,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2022-02-20 16:29:36,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:29:36,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429601766] [2022-02-20 16:29:36,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:29:36,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:29:36,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:29:36,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:29:36,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:29:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:29:36,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:29:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:29:36,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:29:37,178 INFO L290 TraceCheckUtils]: 0: Hoare triple {77#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(21bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~one_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~tiny_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E-300);~one_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~huge_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E300);~pio2_hi_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966);~pio2_lo_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 6.123233995736766E-17);~pio4_hi_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.7853981633974483);~pS0_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.16666666666666666);~pS1_asin~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.3255658186224009));~pS2_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.20121253213486293);~pS3_asin~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.04005553450067941));~pS4_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 7.915349942898145E-4);~pS5_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.479331075960212E-5);~qS1_asin~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.403394911734414));~qS2_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 2.0209457602335057);~qS3_asin~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.6882839716054533));~qS4_asin~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.07703815055590194); {77#true} is VALID [2022-02-20 16:29:37,178 INFO L290 TraceCheckUtils]: 1: Hoare triple {77#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~ret16#1, main_#t~ret17#1, main_~res~0#1, main_~x~0#1;main_~x~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; {77#true} is VALID [2022-02-20 16:29:37,179 INFO L290 TraceCheckUtils]: 2: Hoare triple {77#true} assume ~fp.lt~DOUBLE(main_~x~0#1, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.0))) && ~fp.gt~DOUBLE(main_~x~0#1, ~to_fp~DOUBLE(currentRoundingMode, 1.0));assume { :begin_inline___ieee754_asin } true;__ieee754_asin_#in~x#1 := main_~x~0#1;havoc __ieee754_asin_#res#1;havoc __ieee754_asin_#t~mem10#1, __ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset, __ieee754_asin_#t~mem11#1, __ieee754_asin_~#gl_u~0#1.base, __ieee754_asin_~#gl_u~0#1.offset, __ieee754_asin_~lx~0#1, __ieee754_asin_#t~ret12#1, __ieee754_asin_#t~ret13#1, __ieee754_asin_#t~mem14#1, __ieee754_asin_~#sl_u~0#1.base, __ieee754_asin_~#sl_u~0#1.offset, __ieee754_asin_~x#1, __ieee754_asin_~t~1#1, __ieee754_asin_~w~0#1, __ieee754_asin_~p~0#1, __ieee754_asin_~q~1#1, __ieee754_asin_~c~0#1, __ieee754_asin_~r~1#1, __ieee754_asin_~s~0#1, __ieee754_asin_~hx~0#1, __ieee754_asin_~ix~0#1;__ieee754_asin_~x#1 := __ieee754_asin_#in~x#1;havoc __ieee754_asin_~t~1#1;havoc __ieee754_asin_~w~0#1;havoc __ieee754_asin_~p~0#1;havoc __ieee754_asin_~q~1#1;havoc __ieee754_asin_~c~0#1;havoc __ieee754_asin_~r~1#1;havoc __ieee754_asin_~s~0#1;havoc __ieee754_asin_~hx~0#1;havoc __ieee754_asin_~ix~0#1; {78#false} is VALID [2022-02-20 16:29:37,179 INFO L290 TraceCheckUtils]: 3: Hoare triple {78#false} assume !true; {78#false} is VALID [2022-02-20 16:29:37,180 INFO L290 TraceCheckUtils]: 4: Hoare triple {78#false} __ieee754_asin_~ix~0#1 := ~bvand32(2147483647bv32, __ieee754_asin_~hx~0#1); {78#false} is VALID [2022-02-20 16:29:37,180 INFO L290 TraceCheckUtils]: 5: Hoare triple {78#false} assume ~bvsge32(__ieee754_asin_~ix~0#1, 1072693248bv32);havoc __ieee754_asin_~lx~0#1; {78#false} is VALID [2022-02-20 16:29:37,180 INFO L290 TraceCheckUtils]: 6: Hoare triple {78#false} assume !true; {78#false} is VALID [2022-02-20 16:29:37,180 INFO L290 TraceCheckUtils]: 7: Hoare triple {78#false} assume 0bv32 == ~bvor32(~bvsub32(__ieee754_asin_~ix~0#1, 1072693248bv32), __ieee754_asin_~lx~0#1);__ieee754_asin_#res#1 := ~fp.add~DOUBLE(currentRoundingMode, ~fp.mul~DOUBLE(currentRoundingMode, __ieee754_asin_~x#1, ~pio2_hi_asin~0), ~fp.mul~DOUBLE(currentRoundingMode, __ieee754_asin_~x#1, ~pio2_lo_asin~0)); {78#false} is VALID [2022-02-20 16:29:37,180 INFO L290 TraceCheckUtils]: 8: Hoare triple {78#false} main_#t~ret16#1 := __ieee754_asin_#res#1;assume { :end_inline___ieee754_asin } true;main_~res~0#1 := main_#t~ret16#1;havoc main_#t~ret16#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if !~fp.eq~DOUBLE(isnan_double_~x#1, isnan_double_~x#1) then 1bv32 else 0bv32); {78#false} is VALID [2022-02-20 16:29:37,181 INFO L290 TraceCheckUtils]: 9: Hoare triple {78#false} main_#t~ret17#1 := isnan_double_#res#1;assume { :end_inline_isnan_double } true; {78#false} is VALID [2022-02-20 16:29:37,181 INFO L290 TraceCheckUtils]: 10: Hoare triple {78#false} assume 0bv32 == main_#t~ret17#1;havoc main_#t~ret17#1; {78#false} is VALID [2022-02-20 16:29:37,181 INFO L290 TraceCheckUtils]: 11: Hoare triple {78#false} assume !false; {78#false} is VALID [2022-02-20 16:29:37,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:29:37,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:29:37,182 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:29:37,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429601766] [2022-02-20 16:29:37,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429601766] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:29:37,183 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:29:37,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:29:37,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061763781] [2022-02-20 16:29:37,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:29:37,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 16:29:37,191 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:29:37,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:37,484 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:29:37,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:29:37,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:29:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:29:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:29:37,521 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 73 states have internal predecessors, (120), 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:37,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:37,745 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2022-02-20 16:29:37,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:29:37,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 16:29:37,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:29:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 123 transitions. [2022-02-20 16:29:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:37,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 123 transitions. [2022-02-20 16:29:37,754 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 123 transitions. [2022-02-20 16:29:47,721 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:29:47,724 INFO L225 Difference]: With dead ends: 78 [2022-02-20 16:29:47,725 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 16:29:47,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:29:47,731 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:29:47,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:29:47,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 16:29:47,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 16:29:47,764 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:29:47,764 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-20 16:29:47,765 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-20 16:29:47,765 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-20 16:29:47,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:47,766 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 16:29:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 16:29:47,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:29:47,767 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:29:47,767 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) Second operand 0 states. [2022-02-20 16:29:47,767 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) Second operand 0 states. [2022-02-20 16:29:47,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:29:47,767 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 16:29:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 16:29:47,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:29:47,773 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:29:47,774 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:29:47,775 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:29:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-20 16:29:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 16:29:47,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-02-20 16:29:47,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:29:47,777 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 16:29:47,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:29:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 16:29:47,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:29:47,784 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:29:47,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-02-20 16:29:48,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:29:48,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 16:29:48,494 INFO L858 garLoopResultBuilder]: For program point L250(line 250) no Hoare annotation was computed. [2022-02-20 16:29:48,495 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2022-02-20 16:29:48,495 INFO L854 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2022-02-20 16:29:48,495 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2022-02-20 16:29:48,495 INFO L858 garLoopResultBuilder]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2022-02-20 16:29:48,495 INFO L854 garLoopResultBuilder]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2022-02-20 16:29:48,495 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 16:29:48,495 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 200) no Hoare annotation was computed. [2022-02-20 16:29:48,495 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 185 200) no Hoare annotation was computed. [2022-02-20 16:29:48,495 INFO L854 garLoopResultBuilder]: At program point L20(line 20) the Hoare annotation is: false [2022-02-20 16:29:48,495 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 199) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 188) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L854 garLoopResultBuilder]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 119) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L861 garLoopResultBuilder]: At program point L255(lines 234 256) the Hoare annotation is: true [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 99) no Hoare annotation was computed. [2022-02-20 16:29:48,496 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 145) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L140-1(lines 133 147) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 118) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 145) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 46) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L854 garLoopResultBuilder]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 200) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L42(lines 42 45) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L854 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2022-02-20 16:29:48,497 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L854 garLoopResultBuilder]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point L176-3(lines 174 185) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 96) no Hoare annotation was computed. [2022-02-20 16:29:48,498 INFO L858 garLoopResultBuilder]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 253) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 227) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L858 garLoopResultBuilder]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 165 232) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 117) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 66) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L858 garLoopResultBuilder]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L858 garLoopResultBuilder]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2022-02-20 16:29:48,499 INFO L854 garLoopResultBuilder]: At program point L30-2(lines 30 35) the Hoare annotation is: false [2022-02-20 16:29:48,500 INFO L858 garLoopResultBuilder]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2022-02-20 16:29:48,500 INFO L854 garLoopResultBuilder]: At program point L146(lines 133 147) the Hoare annotation is: false [2022-02-20 16:29:48,501 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2022-02-20 16:29:48,501 INFO L858 garLoopResultBuilder]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2022-02-20 16:29:48,501 INFO L854 garLoopResultBuilder]: At program point L131(lines 24 132) the Hoare annotation is: false [2022-02-20 16:29:48,501 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 16:29:48,501 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 250) no Hoare annotation was computed. [2022-02-20 16:29:48,502 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2022-02-20 16:29:48,502 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2022-02-20 16:29:48,502 INFO L854 garLoopResultBuilder]: At program point L231(lines 165 232) the Hoare annotation is: false [2022-02-20 16:29:48,502 INFO L854 garLoopResultBuilder]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2022-02-20 16:29:48,502 INFO L858 garLoopResultBuilder]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2022-02-20 16:29:48,503 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 252) no Hoare annotation was computed. [2022-02-20 16:29:48,503 INFO L858 garLoopResultBuilder]: For program point L216-1(lines 216 221) no Hoare annotation was computed. [2022-02-20 16:29:48,503 INFO L854 garLoopResultBuilder]: At program point L216-2(lines 216 221) the Hoare annotation is: false [2022-02-20 16:29:48,503 INFO L858 garLoopResultBuilder]: For program point L216-3(lines 216 221) no Hoare annotation was computed. [2022-02-20 16:29:48,507 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 16:29:48,508 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:29:48,511 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:29:48,512 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:29:48,512 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2022-02-20 16:29:48,512 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2022-02-20 16:29:48,512 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2022-02-20 16:29:48,512 WARN L170 areAnnotationChecker]: L168-3 has no Hoare annotation [2022-02-20 16:29:48,512 WARN L170 areAnnotationChecker]: L244-2 has no Hoare annotation [2022-02-20 16:29:48,512 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: L168-3 has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: L176-3 has no Hoare annotation [2022-02-20 16:29:48,513 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L176-3 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L176-3 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L185-1 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2022-02-20 16:29:48,514 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2022-02-20 16:29:48,515 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 16:29:48,516 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L250 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L250 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2022-02-20 16:29:48,519 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2022-02-20 16:29:48,520 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L211-2 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L211-2 has no Hoare annotation [2022-02-20 16:29:48,521 WARN L170 areAnnotationChecker]: L216-1 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L216-3 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L216-1 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L216-1 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L216-3 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L49-2 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2022-02-20 16:29:48,522 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L74-3 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L74-3 has no Hoare annotation [2022-02-20 16:29:48,523 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L74-3 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2022-02-20 16:29:48,531 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2022-02-20 16:29:48,532 WARN L170 areAnnotationChecker]: L92-2 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L122-2 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L125-1 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L125-3 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L95-2 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L113-2 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L125-1 has no Hoare annotation [2022-02-20 16:29:48,533 WARN L170 areAnnotationChecker]: L125-1 has no Hoare annotation [2022-02-20 16:29:48,534 WARN L170 areAnnotationChecker]: L125-3 has no Hoare annotation [2022-02-20 16:29:48,534 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:29:48,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:29:48 BoogieIcfgContainer [2022-02-20 16:29:48,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:29:48,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:29:48,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:29:48,541 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:29:48,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:29:36" (3/4) ... [2022-02-20 16:29:48,543 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 16:29:48,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-02-20 16:29:48,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-02-20 16:29:48,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 16:29:48,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 16:29:48,597 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 16:29:48,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:29:48,598 INFO L158 Benchmark]: Toolchain (without parser) took 33249.53ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.9MB in the beginning and 46.7MB in the end (delta: -9.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-02-20 16:29:48,598 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:29:48,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.34ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 34.3MB in the end (delta: 2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 16:29:48,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.04ms. Allocated memory is still 58.7MB. Free memory was 34.3MB in the beginning and 30.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 16:29:48,599 INFO L158 Benchmark]: Boogie Preprocessor took 43.58ms. Allocated memory is still 58.7MB. Free memory was 30.6MB in the beginning and 27.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:29:48,599 INFO L158 Benchmark]: RCFGBuilder took 20395.92ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 48.4MB in the end (delta: -20.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-02-20 16:29:48,600 INFO L158 Benchmark]: TraceAbstraction took 12323.97ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 50.4MB in the end (delta: -2.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-02-20 16:29:48,600 INFO L158 Benchmark]: Witness Printer took 56.74ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 46.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 16:29:48,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.34ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 34.3MB in the end (delta: 2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.04ms. Allocated memory is still 58.7MB. Free memory was 34.3MB in the beginning and 30.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.58ms. Allocated memory is still 58.7MB. Free memory was 30.6MB in the beginning and 27.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 20395.92ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 48.4MB in the end (delta: -20.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 12323.97ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 50.4MB in the end (delta: -2.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 56.74ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 46.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 250]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-02-20 16:29:48,831 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-02-20 16:29:48,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE