./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0670.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_0670.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 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:31:37,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:31:37,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:31:37,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:31:37,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:31:37,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:31:37,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:31:37,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:31:37,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:31:37,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:31:37,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:31:37,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:31:37,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:31:37,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:31:37,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:31:37,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:31:37,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:31:37,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:31:37,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:31:37,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:31:37,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:31:37,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:31:37,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:31:37,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:31:37,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:31:37,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:31:37,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:31:37,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:31:37,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:31:37,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:31:37,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:31:37,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:31:37,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:31:37,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:31:37,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:31:37,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:31:37,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:31:37,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:31:37,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:31:37,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:31:37,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:31:37,624 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:31:37,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:31:37,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:31:37,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:31:37,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:31:37,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:31:37,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:31:37,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:31:37,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:31:37,649 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:31:37,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:31:37,649 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:31:37,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:31:37,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:31:37,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:31:37,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:31:37,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:31:37,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:31:37,650 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:31:37,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:31:37,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:31:37,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:31:37,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:31:37,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:31:37,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:31:37,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:31:37,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:31:37,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:31:37,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:31:37,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:31:37,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:31:37,653 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:31:37,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:31:37,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:31:37,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 [2022-02-20 16:31:37,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:31:37,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:31:37,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:31:37,875 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:31:37,877 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:31:37,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2022-02-20 16:31:37,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4bbd285/01b1296973774246b276c61a2a999914/FLAG3dc65c470 [2022-02-20 16:31:38,290 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:31:38,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2022-02-20 16:31:38,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4bbd285/01b1296973774246b276c61a2a999914/FLAG3dc65c470 [2022-02-20 16:31:38,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4bbd285/01b1296973774246b276c61a2a999914 [2022-02-20 16:31:38,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:31:38,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:31:38,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:31:38,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:31:38,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:31:38,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa0d60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38, skipping insertion in model container [2022-02-20 16:31:38,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:31:38,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:31:38,575 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_0670.c[6324,6337] [2022-02-20 16:31:38,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:31:38,591 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:31:38,662 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_0670.c[6324,6337] [2022-02-20 16:31:38,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:31:38,680 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:31:38,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38 WrapperNode [2022-02-20 16:31:38,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:31:38,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:31:38,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:31:38,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:31:38,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,753 INFO L137 Inliner]: procedures = 20, calls = 90, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 281 [2022-02-20 16:31:38,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:31:38,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:31:38,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:31:38,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:31:38,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:31:38,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:31:38,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:31:38,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:31:38,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (1/1) ... [2022-02-20 16:31:38,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:31:38,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:31:38,855 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 16:31:38,888 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 16:31:38,914 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-02-20 16:31:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-02-20 16:31:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:31:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:31:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:31:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-20 16:31:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:31:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-20 16:31:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-20 16:31:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-20 16:31:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-02-20 16:31:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-02-20 16:31:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:31:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:31:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:31:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-20 16:31:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:31:39,033 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:31:39,035 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:31:39,740 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:31:39,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:31:39,747 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-02-20 16:31:39,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:31:39 BoogieIcfgContainer [2022-02-20 16:31:39,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:31:39,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:31:39,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:31:39,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:31:39,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:31:38" (1/3) ... [2022-02-20 16:31:39,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5cd931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:31:39, skipping insertion in model container [2022-02-20 16:31:39,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:38" (2/3) ... [2022-02-20 16:31:39,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5cd931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:31:39, skipping insertion in model container [2022-02-20 16:31:39,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:31:39" (3/3) ... [2022-02-20 16:31:39,755 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2022-02-20 16:31:39,758 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:31:39,758 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:31:39,795 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:31:39,799 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 16:31:39,799 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:31:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 105 states have (on average 1.7047619047619047) internal successors, (179), 106 states have internal predecessors, (179), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:31:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 16:31:39,819 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:31:39,819 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:31:39,819 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:31:39,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:31:39,823 INFO L85 PathProgramCache]: Analyzing trace with hash 681876421, now seen corresponding path program 1 times [2022-02-20 16:31:39,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:31:39,830 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335182434] [2022-02-20 16:31:39,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:31:39,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:31:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:31:40,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 16:31:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:31:40,057 INFO L290 TraceCheckUtils]: 0: Hoare triple {120#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {120#true} is VALID [2022-02-20 16:31:40,058 INFO L290 TraceCheckUtils]: 1: Hoare triple {120#true} assume true; {120#true} is VALID [2022-02-20 16:31:40,058 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {120#true} {120#true} #440#return; {120#true} is VALID [2022-02-20 16:31:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 16:31:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:31:40,073 INFO L290 TraceCheckUtils]: 0: Hoare triple {120#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {120#true} is VALID [2022-02-20 16:31:40,074 INFO L290 TraceCheckUtils]: 1: Hoare triple {120#true} assume true; {120#true} is VALID [2022-02-20 16:31:40,074 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {120#true} {121#false} #450#return; {121#false} is VALID [2022-02-20 16:31:40,076 INFO L290 TraceCheckUtils]: 0: Hoare triple {120#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);~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := 4, 0;call #Ultimate.allocInit(32, 4);call write~init~real(0.4636476090008061, ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 8);call write~init~real(0.7853981633974483, ~#atanhi_atan~0.base, 8 + ~#atanhi_atan~0.offset, 8);call write~init~real(0.982793723247329, ~#atanhi_atan~0.base, 16 + ~#atanhi_atan~0.offset, 8);call write~init~real(1.5707963267948966, ~#atanhi_atan~0.base, 24 + ~#atanhi_atan~0.offset, 8);~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := 5, 0;call #Ultimate.allocInit(32, 5);call write~init~real(2.2698777452961687E-17, ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 8);call write~init~real(3.061616997868383E-17, ~#atanlo_atan~0.base, 8 + ~#atanlo_atan~0.offset, 8);call write~init~real(1.3903311031230998E-17, ~#atanlo_atan~0.base, 16 + ~#atanlo_atan~0.offset, 8);call write~init~real(6.123233995736766E-17, ~#atanlo_atan~0.base, 24 + ~#atanlo_atan~0.offset, 8);~#aT_atan~0.base, ~#aT_atan~0.offset := 6, 0;call #Ultimate.allocInit(88, 6);call write~init~real(0.3333333333333293, ~#aT_atan~0.base, ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.19999999999876483), ~#aT_atan~0.base, 8 + ~#aT_atan~0.offset, 8);call write~init~real(0.14285714272503466, ~#aT_atan~0.base, 16 + ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.11111110405462356), ~#aT_atan~0.base, 24 + ~#aT_atan~0.offset, 8);call write~init~real(0.09090887133436507, ~#aT_atan~0.base, 32 + ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.0769187620504483), ~#aT_atan~0.base, 40 + ~#aT_atan~0.offset, 8);call write~init~real(0.06661073137387531, ~#aT_atan~0.base, 48 + ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.058335701337905735), ~#aT_atan~0.base, 56 + ~#aT_atan~0.offset, 8);call write~init~real(0.049768779946159324, ~#aT_atan~0.base, 64 + ~#aT_atan~0.offset, 8);call write~init~real(~someUnaryDOUBLEoperation(0.036531572744216916), ~#aT_atan~0.base, 72 + ~#aT_atan~0.offset, 8);call write~init~real(0.016285820115365782, ~#aT_atan~0.base, 80 + ~#aT_atan~0.offset, 8);~one_atan~0 := 1.0;~pi_o_4~0 := 0.7853981633974483;~pi_o_2~0 := 1.5707963267948966;~pi~0 := 3.141592653589793;~huge_atan~0 := 1.0E300;~tiny_atan2~0 := 1.0E-300;~zero_atan2~0 := 0.0;~pi_lo_atan2~0 := 1.2246467991473532E-16; {120#true} is VALID [2022-02-20 16:31:40,076 INFO L290 TraceCheckUtils]: 1: Hoare triple {120#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~short50#1, main_#t~ret51#1, main_#t~ret52#1, main_~res~0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~y~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1; {120#true} is VALID [2022-02-20 16:31:40,077 INFO L272 TraceCheckUtils]: 2: Hoare triple {120#true} call main_#t~ret48#1 := isnan_double(main_~x~0#1); {120#true} is VALID [2022-02-20 16:31:40,077 INFO L290 TraceCheckUtils]: 3: Hoare triple {120#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {120#true} is VALID [2022-02-20 16:31:40,077 INFO L290 TraceCheckUtils]: 4: Hoare triple {120#true} assume true; {120#true} is VALID [2022-02-20 16:31:40,078 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {120#true} {120#true} #440#return; {120#true} is VALID [2022-02-20 16:31:40,078 INFO L290 TraceCheckUtils]: 6: Hoare triple {120#true} assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_#t~short50#1 := 0 != main_#t~ret48#1; {120#true} is VALID [2022-02-20 16:31:40,078 INFO L290 TraceCheckUtils]: 7: Hoare triple {120#true} assume main_#t~short50#1; {120#true} is VALID [2022-02-20 16:31:40,078 INFO L290 TraceCheckUtils]: 8: Hoare triple {120#true} assume main_#t~short50#1;havoc main_#t~ret48#1;havoc main_#t~ret49#1;havoc main_#t~short50#1;assume { :begin_inline___ieee754_atan2 } true;__ieee754_atan2_#in~y#1, __ieee754_atan2_#in~x#1 := main_~y~0#1, main_~x~0#1;havoc __ieee754_atan2_#res#1;havoc __ieee754_atan2_#t~mem28#1, __ieee754_atan2_#t~mem29#1, __ieee754_atan2_~#ew_u~0#1.base, __ieee754_atan2_~#ew_u~0#1.offset, __ieee754_atan2_#t~mem31#1, __ieee754_atan2_#t~mem32#1, __ieee754_atan2_~#ew_u~1#1.base, __ieee754_atan2_~#ew_u~1#1.offset, __ieee754_atan2_#t~ret34#1, __ieee754_atan2_#t~switch36#1, __ieee754_atan2_#t~ite37#1, __ieee754_atan2_#t~switch38#1, __ieee754_atan2_#t~switch39#1, __ieee754_atan2_#t~ite40#1, __ieee754_atan2_#t~ret41#1, __ieee754_atan2_#t~ret42#1, __ieee754_atan2_#t~switch43#1, __ieee754_atan2_#t~mem44#1, __ieee754_atan2_~#gh_u~2#1.base, __ieee754_atan2_~#gh_u~2#1.offset, __ieee754_atan2_#t~mem45#1, __ieee754_atan2_~#sh_u~1#1.base, __ieee754_atan2_~#sh_u~1#1.offset, __ieee754_atan2_~zh~0#1, __ieee754_atan2_~y#1, __ieee754_atan2_~x#1, __ieee754_atan2_~z~1#1, __ieee754_atan2_~k~0#1, __ieee754_atan2_~m~0#1, __ieee754_atan2_~hx~1#1, __ieee754_atan2_~hy~0#1, __ieee754_atan2_~ix~1#1, __ieee754_atan2_~iy~0#1, __ieee754_atan2_~lx~0#1, __ieee754_atan2_~ly~0#1, __ieee754_atan2_#t~nondet30#1, __ieee754_atan2_#t~nondet33#1, __ieee754_atan2_#t~nondet35#1;__ieee754_atan2_~y#1 := __ieee754_atan2_#in~y#1;__ieee754_atan2_~x#1 := __ieee754_atan2_#in~x#1;havoc __ieee754_atan2_~z~1#1;havoc __ieee754_atan2_~k~0#1;havoc __ieee754_atan2_~m~0#1;havoc __ieee754_atan2_~hx~1#1;havoc __ieee754_atan2_~hy~0#1;havoc __ieee754_atan2_~ix~1#1;havoc __ieee754_atan2_~iy~0#1;havoc __ieee754_atan2_~lx~0#1;havoc __ieee754_atan2_~ly~0#1; {120#true} is VALID [2022-02-20 16:31:40,079 INFO L290 TraceCheckUtils]: 9: Hoare triple {120#true} assume !true; {121#false} is VALID [2022-02-20 16:31:40,079 INFO L290 TraceCheckUtils]: 10: Hoare triple {121#false} assume 0 == __ieee754_atan2_~hx~1#1;__ieee754_atan2_~ix~1#1 := 0; {121#false} is VALID [2022-02-20 16:31:40,079 INFO L290 TraceCheckUtils]: 11: Hoare triple {121#false} assume !true; {121#false} is VALID [2022-02-20 16:31:40,080 INFO L290 TraceCheckUtils]: 12: Hoare triple {121#false} assume 0 == __ieee754_atan2_~hy~0#1;__ieee754_atan2_~iy~0#1 := 0; {121#false} is VALID [2022-02-20 16:31:40,084 INFO L290 TraceCheckUtils]: 13: Hoare triple {121#false} assume (if (1 == __ieee754_atan2_~ix~1#1 || 0 == __ieee754_atan2_~ix~1#1) && 0 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1) then __ieee754_atan2_~ix~1#1 else (if 0 == __ieee754_atan2_~ix~1#1 && (1 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1) || 0 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1)) then (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1) else (if (1 == __ieee754_atan2_~ix~1#1 && (1 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1) || 0 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1))) || ((1 == __ieee754_atan2_~ix~1#1 || 0 == __ieee754_atan2_~ix~1#1) && 1 == (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1)) then 1 else ~bitwiseOr(__ieee754_atan2_~ix~1#1, (if (if (1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 0 == -__ieee754_atan2_~lx~0#1 then __ieee754_atan2_~lx~0#1 else (if 0 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1) then -__ieee754_atan2_~lx~0#1 else (if (1 == __ieee754_atan2_~lx~0#1 && (1 == -__ieee754_atan2_~lx~0#1 || 0 == -__ieee754_atan2_~lx~0#1)) || ((1 == __ieee754_atan2_~lx~0#1 || 0 == __ieee754_atan2_~lx~0#1) && 1 == -__ieee754_atan2_~lx~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~lx~0#1, -__ieee754_atan2_~lx~0#1)))) >= 0 then 0 else 1))))) % 4294967296 > 2146435072 || (if (1 == __ieee754_atan2_~iy~0#1 || 0 == __ieee754_atan2_~iy~0#1) && 0 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1) then __ieee754_atan2_~iy~0#1 else (if 0 == __ieee754_atan2_~iy~0#1 && (1 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1) || 0 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1)) then (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1) else (if (1 == __ieee754_atan2_~iy~0#1 && (1 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1) || 0 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1))) || ((1 == __ieee754_atan2_~iy~0#1 || 0 == __ieee754_atan2_~iy~0#1) && 1 == (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1)) then 1 else ~bitwiseOr(__ieee754_atan2_~iy~0#1, (if (if (1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 0 == -__ieee754_atan2_~ly~0#1 then __ieee754_atan2_~ly~0#1 else (if 0 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1) then -__ieee754_atan2_~ly~0#1 else (if (1 == __ieee754_atan2_~ly~0#1 && (1 == -__ieee754_atan2_~ly~0#1 || 0 == -__ieee754_atan2_~ly~0#1)) || ((1 == __ieee754_atan2_~ly~0#1 || 0 == __ieee754_atan2_~ly~0#1) && 1 == -__ieee754_atan2_~ly~0#1) then 1 else ~bitwiseOr(__ieee754_atan2_~ly~0#1, -__ieee754_atan2_~ly~0#1)))) >= 0 then 0 else 1))))) % 4294967296 > 2146435072;__ieee754_atan2_#res#1 := ~someBinaryArithmeticDOUBLEoperation(__ieee754_atan2_~x#1, __ieee754_atan2_~y#1); {121#false} is VALID [2022-02-20 16:31:40,087 INFO L290 TraceCheckUtils]: 14: Hoare triple {121#false} main_#t~ret51#1 := __ieee754_atan2_#res#1;assume { :end_inline___ieee754_atan2 } true;main_~res~0#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {121#false} is VALID [2022-02-20 16:31:40,087 INFO L272 TraceCheckUtils]: 15: Hoare triple {121#false} call main_#t~ret52#1 := isnan_double(main_~res~0#1); {120#true} is VALID [2022-02-20 16:31:40,087 INFO L290 TraceCheckUtils]: 16: Hoare triple {120#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {120#true} is VALID [2022-02-20 16:31:40,087 INFO L290 TraceCheckUtils]: 17: Hoare triple {120#true} assume true; {120#true} is VALID [2022-02-20 16:31:40,088 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {120#true} {121#false} #450#return; {121#false} is VALID [2022-02-20 16:31:40,089 INFO L290 TraceCheckUtils]: 19: Hoare triple {121#false} assume -2147483648 <= main_#t~ret52#1 && main_#t~ret52#1 <= 2147483647; {121#false} is VALID [2022-02-20 16:31:40,089 INFO L290 TraceCheckUtils]: 20: Hoare triple {121#false} assume 0 == main_#t~ret52#1;havoc main_#t~ret52#1; {121#false} is VALID [2022-02-20 16:31:40,089 INFO L290 TraceCheckUtils]: 21: Hoare triple {121#false} assume !false; {121#false} is VALID [2022-02-20 16:31:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:31:40,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:31:40,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335182434] [2022-02-20 16:31:40,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335182434] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:31:40,091 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:31:40,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:31:40,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990012870] [2022-02-20 16:31:40,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:31:40,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-02-20 16:31:40,100 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:31:40,102 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:31:40,126 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:31:40,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:31:40,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:31:40,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:31:40,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:31:40,155 INFO L87 Difference]: Start difference. First operand has 117 states, 105 states have (on average 1.7047619047619047) internal successors, (179), 106 states have internal predecessors, (179), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:31:40,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:31:40,300 INFO L93 Difference]: Finished difference Result 226 states and 378 transitions. [2022-02-20 16:31:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:31:40,301 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-02-20 16:31:40,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:31:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:31:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 378 transitions. [2022-02-20 16:31:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:31:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 378 transitions. [2022-02-20 16:31:40,330 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 378 transitions. [2022-02-20 16:31:40,640 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 378 edges. 378 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:31:40,656 INFO L225 Difference]: With dead ends: 226 [2022-02-20 16:31:40,657 INFO L226 Difference]: Without dead ends: 113 [2022-02-20 16:31:40,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 16:31:40,663 INFO L933 BasicCegarLoop]: 170 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, 170 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 16:31:40,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:31:40,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-02-20 16:31:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-02-20 16:31:40,697 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:31:40,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand has 113 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 102 states have internal predecessors, (151), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:31:40,699 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand has 113 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 102 states have internal predecessors, (151), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:31:40,702 INFO L87 Difference]: Start difference. First operand 113 states. Second operand has 113 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 102 states have internal predecessors, (151), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:31:40,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:31:40,711 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2022-02-20 16:31:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2022-02-20 16:31:40,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:31:40,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:31:40,714 INFO L74 IsIncluded]: Start isIncluded. First operand has 113 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 102 states have internal predecessors, (151), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 113 states. [2022-02-20 16:31:40,714 INFO L87 Difference]: Start difference. First operand has 113 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 102 states have internal predecessors, (151), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 113 states. [2022-02-20 16:31:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:31:40,724 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2022-02-20 16:31:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2022-02-20 16:31:40,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:31:40,726 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:31:40,726 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:31:40,727 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:31:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 102 states have internal predecessors, (151), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:31:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2022-02-20 16:31:40,733 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 22 [2022-02-20 16:31:40,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:31:40,734 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2022-02-20 16:31:40,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:31:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2022-02-20 16:31:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 16:31:40,737 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:31:40,737 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:31:40,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:31:40,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:31:40,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:31:40,739 INFO L85 PathProgramCache]: Analyzing trace with hash 115983725, now seen corresponding path program 1 times [2022-02-20 16:31:40,739 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:31:40,739 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157914894] [2022-02-20 16:31:40,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:31:40,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:31:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:31:40,939 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:31:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:31:41,095 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:31:41,095 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:31:41,097 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:31:41,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:31:41,100 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-20 16:31:41,103 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:31:41,129 FATAL L489 DefaultTranslator]: Callstack has procedure call flag but succeeding procedure is empty at [CALL] call #t~ret48 := isnan_double(~x~0); [2022-02-20 16:31:41,129 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: callstack broken after backtranslation by InlinerBacktranslator at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:607) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-20 16:31:41,132 INFO L158 Benchmark]: Toolchain (without parser) took 2806.62ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 90.1MB in the beginning and 116.9MB in the end (delta: -26.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-02-20 16:31:41,132 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:31:41,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.15ms. Allocated memory is still 130.0MB. Free memory was 89.9MB in the beginning and 96.9MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 16:31:41,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.53ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 91.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 16:31:41,133 INFO L158 Benchmark]: Boogie Preprocessor took 72.22ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 87.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 16:31:41,133 INFO L158 Benchmark]: RCFGBuilder took 921.45ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 87.5MB in the beginning and 132.2MB in the end (delta: -44.7MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-02-20 16:31:41,134 INFO L158 Benchmark]: TraceAbstraction took 1381.49ms. Allocated memory is still 172.0MB. Free memory was 131.2MB in the beginning and 116.9MB in the end (delta: 14.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-02-20 16:31:41,135 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 0.16ms. Allocated memory is still 130.0MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.15ms. Allocated memory is still 130.0MB. Free memory was 89.9MB in the beginning and 96.9MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.53ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 91.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.22ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 87.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 921.45ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 87.5MB in the beginning and 132.2MB in the end (delta: -44.7MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1381.49ms. Allocated memory is still 172.0MB. Free memory was 131.2MB in the beginning and 116.9MB in the end (delta: 14.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: AssertionError: callstack broken after backtranslation by InlinerBacktranslator de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: callstack broken after backtranslation by InlinerBacktranslator: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 16:31:41,169 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_0670.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 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:31:42,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:31:42,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:31:42,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:31:42,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:31:42,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:31:42,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:31:42,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:31:42,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:31:42,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:31:42,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:31:42,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:31:42,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:31:42,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:31:42,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:31:42,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:31:42,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:31:42,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:31:42,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:31:42,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:31:42,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:31:42,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:31:42,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:31:42,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:31:42,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:31:42,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:31:42,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:31:42,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:31:42,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:31:42,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:31:42,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:31:42,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:31:42,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:31:42,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:31:42,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:31:42,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:31:42,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:31:42,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:31:42,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:31:42,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:31:42,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:31:42,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:31:42,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:31:42,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:31:42,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:31:42,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:31:42,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:31:42,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:31:42,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:31:42,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:31:42,960 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:31:42,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:31:42,960 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:31:42,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:31:42,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:31:42,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:31:42,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:31:42,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:31:42,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:31:42,961 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:31:42,961 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:31:42,962 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:31:42,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:31:42,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:31:42,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:31:42,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:31:42,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:31:42,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:31:42,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:31:42,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:31:42,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:31:42,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:31:42,963 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:31:42,963 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:31:42,964 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:31:42,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:31:42,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:31:42,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:31:42,964 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30960d2adb6c9c20f9f63c6610ee2d41326fba20611a72d2653a7fc816ed7fd3 [2022-02-20 16:31:43,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:31:43,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:31:43,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:31:43,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:31:43,178 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:31:43,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2022-02-20 16:31:43,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4363db33/9ab7ebe0704e4319856b918c9bd489e2/FLAG864c90dae [2022-02-20 16:31:43,597 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:31:43,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0670.c [2022-02-20 16:31:43,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4363db33/9ab7ebe0704e4319856b918c9bd489e2/FLAG864c90dae [2022-02-20 16:31:43,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4363db33/9ab7ebe0704e4319856b918c9bd489e2 [2022-02-20 16:31:43,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:31:43,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:31:43,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:31:43,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:31:43,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:31:43,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb26d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43, skipping insertion in model container [2022-02-20 16:31:43,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:31:43,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:31:43,844 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_0670.c[6324,6337] [2022-02-20 16:31:43,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:31:43,861 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:31:43,901 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_0670.c[6324,6337] [2022-02-20 16:31:43,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:31:43,918 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:31:43,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43 WrapperNode [2022-02-20 16:31:43,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:31:43,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:31:43,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:31:43,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:31:43,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,964 INFO L137 Inliner]: procedures = 23, calls = 90, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 243 [2022-02-20 16:31:43,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:31:43,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:31:43,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:31:43,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:31:43,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:43,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:44,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:44,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:31:44,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:31:44,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:31:44,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:31:44,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (1/1) ... [2022-02-20 16:31:44,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:31:44,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:31:44,073 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 16:31:44,087 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 16:31:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-02-20 16:31:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-02-20 16:31:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:31:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-02-20 16:31:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-02-20 16:31:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:31:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:31:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-20 16:31:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-20 16:31:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-02-20 16:31:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-02-20 16:31:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-02-20 16:31:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:31:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:31:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:31:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:31:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:31:44,196 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:31:44,198 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:32:07,784 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:32:07,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:32:07,797 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-02-20 16:32:07,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:32:07 BoogieIcfgContainer [2022-02-20 16:32:07,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:32:07,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:32:07,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:32:07,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:32:07,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:31:43" (1/3) ... [2022-02-20 16:32:07,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672229e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:32:07, skipping insertion in model container [2022-02-20 16:32:07,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:31:43" (2/3) ... [2022-02-20 16:32:07,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672229e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:32:07, skipping insertion in model container [2022-02-20 16:32:07,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:32:07" (3/3) ... [2022-02-20 16:32:07,806 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2022-02-20 16:32:07,810 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:32:07,811 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:32:07,846 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:32:07,851 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 16:32:07,852 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:32:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 91 states have (on average 1.6373626373626373) internal successors, (149), 92 states have internal predecessors, (149), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:32:07,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 16:32:07,875 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:32:07,875 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:32:07,876 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:32:07,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:32:07,880 INFO L85 PathProgramCache]: Analyzing trace with hash 428190998, now seen corresponding path program 1 times [2022-02-20 16:32:07,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:32:07,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002422548] [2022-02-20 16:32:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:32:07,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:32:07,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:32:07,904 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 16:32:07,907 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 16:32:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:32:08,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:32:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:32:08,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:32:08,614 INFO L290 TraceCheckUtils]: 0: Hoare triple {106#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);~#atanhi_atan~0.base, ~#atanhi_atan~0.offset := 4bv32, 0bv32;call #Ultimate.allocInit(32bv32, 4bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.4636476090008061), ~#atanhi_atan~0.base, ~#atanhi_atan~0.offset, 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.7853981633974483), ~#atanhi_atan~0.base, ~bvadd32(8bv32, ~#atanhi_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.982793723247329), ~#atanhi_atan~0.base, ~bvadd32(16bv32, ~#atanhi_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966), ~#atanhi_atan~0.base, ~bvadd32(24bv32, ~#atanhi_atan~0.offset), 8bv32);~#atanlo_atan~0.base, ~#atanlo_atan~0.offset := 5bv32, 0bv32;call #Ultimate.allocInit(32bv32, 5bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 2.2698777452961687E-17), ~#atanlo_atan~0.base, ~#atanlo_atan~0.offset, 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 3.061616997868383E-17), ~#atanlo_atan~0.base, ~bvadd32(8bv32, ~#atanlo_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 1.3903311031230998E-17), ~#atanlo_atan~0.base, ~bvadd32(16bv32, ~#atanlo_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 6.123233995736766E-17), ~#atanlo_atan~0.base, ~bvadd32(24bv32, ~#atanlo_atan~0.offset), 8bv32);~#aT_atan~0.base, ~#aT_atan~0.offset := 6bv32, 0bv32;call #Ultimate.allocInit(88bv32, 6bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.3333333333333293), ~#aT_atan~0.base, ~#aT_atan~0.offset, 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.19999999999876483)), ~#aT_atan~0.base, ~bvadd32(8bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.14285714272503466), ~#aT_atan~0.base, ~bvadd32(16bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.11111110405462356)), ~#aT_atan~0.base, ~bvadd32(24bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.09090887133436507), ~#aT_atan~0.base, ~bvadd32(32bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.0769187620504483)), ~#aT_atan~0.base, ~bvadd32(40bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.06661073137387531), ~#aT_atan~0.base, ~bvadd32(48bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.058335701337905735)), ~#aT_atan~0.base, ~bvadd32(56bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.049768779946159324), ~#aT_atan~0.base, ~bvadd32(64bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.036531572744216916)), ~#aT_atan~0.base, ~bvadd32(72bv32, ~#aT_atan~0.offset), 8bv32);call write~init~intFLOATTYPE8(~to_fp~DOUBLE(currentRoundingMode, 0.016285820115365782), ~#aT_atan~0.base, ~bvadd32(80bv32, ~#aT_atan~0.offset), 8bv32);~one_atan~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~pi_o_4~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.7853981633974483);~pi_o_2~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966);~pi~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.141592653589793);~huge_atan~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E300);~tiny_atan2~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E-300);~zero_atan2~0 := ~Pluszero~DOUBLE();~pi_lo_atan2~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.2246467991473532E-16); {106#true} is VALID [2022-02-20 16:32:08,617 INFO L290 TraceCheckUtils]: 1: Hoare triple {106#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~short46#1, main_#t~ret47#1, main_#t~ret48#1, main_~res~0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet42#1;havoc main_#t~nondet42#1;main_~y~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1; {106#true} is VALID [2022-02-20 16:32:08,617 INFO L272 TraceCheckUtils]: 2: Hoare triple {106#true} call main_#t~ret44#1 := isnan_double(main_~x~0#1); {106#true} is VALID [2022-02-20 16:32:08,618 INFO L290 TraceCheckUtils]: 3: Hoare triple {106#true} ~x := #in~x;#res := (if !~fp.eq~DOUBLE(~x, ~x) then 1bv32 else 0bv32); {106#true} is VALID [2022-02-20 16:32:08,618 INFO L290 TraceCheckUtils]: 4: Hoare triple {106#true} assume true; {106#true} is VALID [2022-02-20 16:32:08,618 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {106#true} {106#true} #359#return; {106#true} is VALID [2022-02-20 16:32:08,619 INFO L290 TraceCheckUtils]: 6: Hoare triple {106#true} main_#t~short46#1 := 0bv32 != main_#t~ret44#1; {106#true} is VALID [2022-02-20 16:32:08,621 INFO L290 TraceCheckUtils]: 7: Hoare triple {106#true} assume main_#t~short46#1; {106#true} is VALID [2022-02-20 16:32:08,621 INFO L290 TraceCheckUtils]: 8: Hoare triple {106#true} assume main_#t~short46#1;havoc main_#t~ret44#1;havoc main_#t~ret45#1;havoc main_#t~short46#1;assume { :begin_inline___ieee754_atan2 } true;__ieee754_atan2_#in~y#1, __ieee754_atan2_#in~x#1 := main_~y~0#1, main_~x~0#1;havoc __ieee754_atan2_#res#1;havoc __ieee754_atan2_#t~mem27#1, __ieee754_atan2_#t~mem28#1, __ieee754_atan2_~#ew_u~0#1.base, __ieee754_atan2_~#ew_u~0#1.offset, __ieee754_atan2_#t~mem29#1, __ieee754_atan2_#t~mem30#1, __ieee754_atan2_~#ew_u~1#1.base, __ieee754_atan2_~#ew_u~1#1.offset, __ieee754_atan2_#t~ret31#1, __ieee754_atan2_#t~switch32#1, __ieee754_atan2_#t~ite33#1, __ieee754_atan2_#t~switch34#1, __ieee754_atan2_#t~switch35#1, __ieee754_atan2_#t~ite36#1, __ieee754_atan2_#t~ret37#1, __ieee754_atan2_#t~ret38#1, __ieee754_atan2_#t~switch39#1, __ieee754_atan2_#t~mem40#1, __ieee754_atan2_~#gh_u~2#1.base, __ieee754_atan2_~#gh_u~2#1.offset, __ieee754_atan2_#t~mem41#1, __ieee754_atan2_~#sh_u~1#1.base, __ieee754_atan2_~#sh_u~1#1.offset, __ieee754_atan2_~zh~0#1, __ieee754_atan2_~y#1, __ieee754_atan2_~x#1, __ieee754_atan2_~z~1#1, __ieee754_atan2_~k~0#1, __ieee754_atan2_~m~0#1, __ieee754_atan2_~hx~1#1, __ieee754_atan2_~hy~0#1, __ieee754_atan2_~ix~1#1, __ieee754_atan2_~iy~0#1, __ieee754_atan2_~lx~0#1, __ieee754_atan2_~ly~0#1;__ieee754_atan2_~y#1 := __ieee754_atan2_#in~y#1;__ieee754_atan2_~x#1 := __ieee754_atan2_#in~x#1;havoc __ieee754_atan2_~z~1#1;havoc __ieee754_atan2_~k~0#1;havoc __ieee754_atan2_~m~0#1;havoc __ieee754_atan2_~hx~1#1;havoc __ieee754_atan2_~hy~0#1;havoc __ieee754_atan2_~ix~1#1;havoc __ieee754_atan2_~iy~0#1;havoc __ieee754_atan2_~lx~0#1;havoc __ieee754_atan2_~ly~0#1; {106#true} is VALID [2022-02-20 16:32:08,622 INFO L290 TraceCheckUtils]: 9: Hoare triple {106#true} assume !true; {106#true} is VALID [2022-02-20 16:32:08,622 INFO L290 TraceCheckUtils]: 10: Hoare triple {106#true} __ieee754_atan2_~ix~1#1 := ~bvand32(2147483647bv32, __ieee754_atan2_~hx~1#1); {106#true} is VALID [2022-02-20 16:32:08,623 INFO L290 TraceCheckUtils]: 11: Hoare triple {106#true} assume !true; {107#false} is VALID [2022-02-20 16:32:08,623 INFO L290 TraceCheckUtils]: 12: Hoare triple {107#false} __ieee754_atan2_~iy~0#1 := ~bvand32(2147483647bv32, __ieee754_atan2_~hy~0#1); {107#false} is VALID [2022-02-20 16:32:08,623 INFO L290 TraceCheckUtils]: 13: Hoare triple {107#false} assume ~bvugt32(~bvor32(__ieee754_atan2_~ix~1#1, ~bvlshr32(~bvor32(__ieee754_atan2_~lx~0#1, ~bvneg32(__ieee754_atan2_~lx~0#1)), 31bv32)), 2146435072bv32) || ~bvugt32(~bvor32(__ieee754_atan2_~iy~0#1, ~bvlshr32(~bvor32(__ieee754_atan2_~ly~0#1, ~bvneg32(__ieee754_atan2_~ly~0#1)), 31bv32)), 2146435072bv32);__ieee754_atan2_#res#1 := ~fp.add~DOUBLE(currentRoundingMode, __ieee754_atan2_~x#1, __ieee754_atan2_~y#1); {107#false} is VALID [2022-02-20 16:32:08,628 INFO L290 TraceCheckUtils]: 14: Hoare triple {107#false} main_#t~ret47#1 := __ieee754_atan2_#res#1;assume { :end_inline___ieee754_atan2 } true;main_~res~0#1 := main_#t~ret47#1;havoc main_#t~ret47#1; {107#false} is VALID [2022-02-20 16:32:08,628 INFO L272 TraceCheckUtils]: 15: Hoare triple {107#false} call main_#t~ret48#1 := isnan_double(main_~res~0#1); {107#false} is VALID [2022-02-20 16:32:08,628 INFO L290 TraceCheckUtils]: 16: Hoare triple {107#false} ~x := #in~x;#res := (if !~fp.eq~DOUBLE(~x, ~x) then 1bv32 else 0bv32); {107#false} is VALID [2022-02-20 16:32:08,629 INFO L290 TraceCheckUtils]: 17: Hoare triple {107#false} assume true; {107#false} is VALID [2022-02-20 16:32:08,629 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {107#false} {107#false} #369#return; {107#false} is VALID [2022-02-20 16:32:08,629 INFO L290 TraceCheckUtils]: 19: Hoare triple {107#false} assume 0bv32 == main_#t~ret48#1;havoc main_#t~ret48#1; {107#false} is VALID [2022-02-20 16:32:08,630 INFO L290 TraceCheckUtils]: 20: Hoare triple {107#false} assume !false; {107#false} is VALID [2022-02-20 16:32:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:32:08,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:32:08,631 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:32:08,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002422548] [2022-02-20 16:32:08,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002422548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:32:08,632 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:32:08,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:32:08,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822293125] [2022-02-20 16:32:08,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:32:08,636 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2022-02-20 16:32:08,637 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:32:08,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:32:08,692 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:32:08,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:32:08,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:32:08,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:32:08,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:32:08,708 INFO L87 Difference]: Start difference. First operand has 103 states, 91 states have (on average 1.6373626373626373) internal successors, (149), 92 states have internal predecessors, (149), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:32:33,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:32:33,939 INFO L93 Difference]: Finished difference Result 198 states and 318 transitions. [2022-02-20 16:32:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:32:33,939 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2022-02-20 16:32:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:32:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:32:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 318 transitions. [2022-02-20 16:32:33,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:32:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 318 transitions. [2022-02-20 16:32:33,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 318 transitions. [2022-02-20 16:32:51,048 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 318 edges. 318 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:32:51,057 INFO L225 Difference]: With dead ends: 198 [2022-02-20 16:32:51,057 INFO L226 Difference]: Without dead ends: 99 [2022-02-20 16:32:51,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 16:32:51,061 INFO L933 BasicCegarLoop]: 146 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, 146 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 16:32:51,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:32:51,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-02-20 16:32:51,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-02-20 16:32:51,099 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:32:51,101 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand has 99 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:32:51,101 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand has 99 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:32:51,102 INFO L87 Difference]: Start difference. First operand 99 states. Second operand has 99 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:32:51,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:32:51,112 INFO L93 Difference]: Finished difference Result 99 states and 141 transitions. [2022-02-20 16:32:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2022-02-20 16:32:51,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:32:51,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:32:51,114 INFO L74 IsIncluded]: Start isIncluded. First operand has 99 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 99 states. [2022-02-20 16:32:51,116 INFO L87 Difference]: Start difference. First operand has 99 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 99 states. [2022-02-20 16:32:51,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:32:51,125 INFO L93 Difference]: Finished difference Result 99 states and 141 transitions. [2022-02-20 16:32:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2022-02-20 16:32:51,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:32:51,128 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:32:51,128 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:32:51,128 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:32:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 88 states have (on average 1.4431818181818181) internal successors, (127), 88 states have internal predecessors, (127), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 16:32:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2022-02-20 16:32:51,137 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 21 [2022-02-20 16:32:51,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:32:51,138 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2022-02-20 16:32:51,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:32:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2022-02-20 16:32:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 16:32:51,142 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:32:51,142 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:32:51,158 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 16:32:51,356 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 16:32:51,356 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:32:51,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:32:51,357 INFO L85 PathProgramCache]: Analyzing trace with hash 153755487, now seen corresponding path program 1 times [2022-02-20 16:32:51,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:32:51,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769477918] [2022-02-20 16:32:51,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:32:51,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:32:51,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:32:51,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:32:51,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 16:32:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:32:51,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-20 16:32:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:32:51,718 INFO L286 TraceCheckSpWp]: Computing forward predicates...