./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0550b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0550b.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 8000a65bc363d31baa4aafb5e66fa59ba3a657622231c3680549cc23a190458a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:27:31,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:27:31,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:27:31,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:27:31,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:27:31,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:27:31,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:27:31,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:27:31,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:27:31,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:27:31,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:27:31,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:27:31,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:27:31,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:27:31,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:27:31,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:27:31,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:27:31,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:27:31,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:27:31,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:27:31,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:27:31,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:27:31,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:27:31,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:27:31,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:27:31,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:27:31,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:27:31,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:27:31,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:27:31,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:27:31,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:27:31,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:27:31,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:27:31,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:27:31,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:27:31,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:27:31,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:27:31,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:27:31,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:27:31,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:27:31,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:27:31,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 07:27:31,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:27:31,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:27:31,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:27:31,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:27:31,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:27:31,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:27:31,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:27:31,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:27:31,775 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:27:31,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:27:31,776 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:27:31,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 07:27:31,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:27:31,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:27:31,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:27:31,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:27:31,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:27:31,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:27:31,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:27:31,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:27:31,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:27:31,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:27:31,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:27:31,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:27:31,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:27:31,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:27:31,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:27:31,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:27:31,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 07:27:31,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 07:27:31,779 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:27:31,779 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:27:31,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:27:31,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:27:31,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8000a65bc363d31baa4aafb5e66fa59ba3a657622231c3680549cc23a190458a [2021-12-17 07:27:31,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:27:31,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:27:32,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:27:32,002 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:27:32,003 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:27:32,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0550b.c [2021-12-17 07:27:32,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e50e2d3/e67dca088dbc406a8b06ecdfbd9d814a/FLAG1d32c6e50 [2021-12-17 07:27:32,420 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:27:32,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0550b.c [2021-12-17 07:27:32,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e50e2d3/e67dca088dbc406a8b06ecdfbd9d814a/FLAG1d32c6e50 [2021-12-17 07:27:32,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e50e2d3/e67dca088dbc406a8b06ecdfbd9d814a [2021-12-17 07:27:32,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:27:32,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:27:32,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:27:32,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:27:32,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:27:32,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed45d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32, skipping insertion in model container [2021-12-17 07:27:32,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:27:32,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:27:32,721 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_0550b.c[16149,16162] [2021-12-17 07:27:32,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:27:32,738 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:27:32,807 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_0550b.c[16149,16162] [2021-12-17 07:27:32,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:27:32,827 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:27:32,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32 WrapperNode [2021-12-17 07:27:32,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:27:32,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:27:32,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:27:32,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:27:32,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,886 INFO L137 Inliner]: procedures = 25, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 961 [2021-12-17 07:27:32,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:27:32,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:27:32,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:27:32,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:27:32,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:27:32,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:27:32,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:27:32,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:27:32,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (1/1) ... [2021-12-17 07:27:32,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:27:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:27:32,993 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) [2021-12-17 07:27:33,011 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 [2021-12-17 07:27:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:27:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-17 07:27:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-17 07:27:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:27:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-17 07:27:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-17 07:27:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-17 07:27:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 07:27:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-17 07:27:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-12-17 07:27:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-12-17 07:27:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 07:27:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-17 07:27:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-17 07:27:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-17 07:27:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 07:27:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:27:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:27:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:27:33,148 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:27:33,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:27:33,819 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:27:33,828 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:27:33,828 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-12-17 07:27:33,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:27:33 BoogieIcfgContainer [2021-12-17 07:27:33,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:27:33,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:27:33,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:27:33,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:27:33,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:27:32" (1/3) ... [2021-12-17 07:27:33,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625ec3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:27:33, skipping insertion in model container [2021-12-17 07:27:33,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:32" (2/3) ... [2021-12-17 07:27:33,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@625ec3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:27:33, skipping insertion in model container [2021-12-17 07:27:33,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:27:33" (3/3) ... [2021-12-17 07:27:33,836 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0550b.c [2021-12-17 07:27:33,839 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:27:33,839 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:27:33,883 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:27:33,897 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 [2021-12-17 07:27:33,899 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:27:33,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 07:27:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-17 07:27:33,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:27:33,918 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:27:33,918 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:27:33,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:27:33,923 INFO L85 PathProgramCache]: Analyzing trace with hash 926653483, now seen corresponding path program 1 times [2021-12-17 07:27:33,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:27:33,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876089600] [2021-12-17 07:27:33,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:27:33,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:27:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:27:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:27:34,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 07:27:34,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876089600] [2021-12-17 07:27:34,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876089600] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:27:34,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:27:34,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:27:34,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814753719] [2021-12-17 07:27:34,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:27:34,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:27:34,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 07:27:34,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:27:34,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:27:34,178 INFO L87 Difference]: Start difference. First operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:34,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:27:34,234 INFO L93 Difference]: Finished difference Result 504 states and 843 transitions. [2021-12-17 07:27:34,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:27:34,236 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-17 07:27:34,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:27:34,249 INFO L225 Difference]: With dead ends: 504 [2021-12-17 07:27:34,249 INFO L226 Difference]: Without dead ends: 250 [2021-12-17 07:27:34,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:27:34,259 INFO L933 BasicCegarLoop]: 351 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, 351 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 [2021-12-17 07:27:34,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:27:34,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-17 07:27:34,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-12-17 07:27:34,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 07:27:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2021-12-17 07:27:34,322 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2021-12-17 07:27:34,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:27:34,322 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2021-12-17 07:27:34,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2021-12-17 07:27:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:27:34,323 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:27:34,323 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:27:34,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 07:27:34,324 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:27:34,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:27:34,325 INFO L85 PathProgramCache]: Analyzing trace with hash -69749587, now seen corresponding path program 1 times [2021-12-17 07:27:34,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:27:34,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766333038] [2021-12-17 07:27:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:27:34,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:27:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:27:34,416 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 07:27:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:27:34,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 07:27:34,498 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 07:27:34,500 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:27:34,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 07:27:34,504 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-17 07:27:34,505 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:27:34,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:27:34 BoogieIcfgContainer [2021-12-17 07:27:34,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:27:34,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:27:34,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:27:34,548 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:27:34,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:27:33" (3/4) ... [2021-12-17 07:27:34,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 07:27:34,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:27:34,553 INFO L158 Benchmark]: Toolchain (without parser) took 2105.44ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 62.9MB in the beginning and 56.0MB in the end (delta: 6.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2021-12-17 07:27:34,553 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:27:34,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.52ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 60.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 07:27:34,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.51ms. Allocated memory is still 100.7MB. Free memory was 60.9MB in the beginning and 54.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:27:34,560 INFO L158 Benchmark]: Boogie Preprocessor took 81.47ms. Allocated memory is still 100.7MB. Free memory was 54.9MB in the beginning and 48.5MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:27:34,560 INFO L158 Benchmark]: RCFGBuilder took 860.51ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 48.5MB in the beginning and 54.4MB in the end (delta: -5.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-12-17 07:27:34,561 INFO L158 Benchmark]: TraceAbstraction took 711.33ms. Allocated memory is still 125.8MB. Free memory was 53.7MB in the beginning and 56.0MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:27:34,561 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 125.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:27:34,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.52ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 60.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.51ms. Allocated memory is still 100.7MB. Free memory was 60.9MB in the beginning and 54.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.47ms. Allocated memory is still 100.7MB. Free memory was 54.9MB in the beginning and 48.5MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 860.51ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 48.5MB in the beginning and 54.4MB in the end (delta: -5.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 711.33ms. Allocated memory is still 125.8MB. Free memory was 53.7MB in the beginning and 56.0MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 125.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 538, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L108-L110] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L179] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L181-L186] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L188-L190] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L365-L376] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L378-L385] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L387-L396] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L529-L540] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L644] double x = -1.0 / 0.0; [L645] CALL, EXPR tan_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L619] ieee_double_shape_type gh_u; [L620] gh_u.value = (x) [L621] EXPR gh_u.parts.msw [L621] (ix) = gh_u.parts.msw [L624] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L625] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L628] COND TRUE ix >= 0x7ff00000 [L629] return x - x; [L629] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L645] RET, EXPR tan_double(x) [L645] double res = tan_double(x); [L648] CALL, EXPR isnan_double(res) [L20] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \result=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] [L648] RET, EXPR isnan_double(res) [L648] COND TRUE !isnan_double(res) [L649] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 253 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 351 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 351 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-17 07:27:34,601 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 -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_0550b.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 8000a65bc363d31baa4aafb5e66fa59ba3a657622231c3680549cc23a190458a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:27:36,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:27:36,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:27:36,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:27:36,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:27:36,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:27:36,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:27:36,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:27:36,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:27:36,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:27:36,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:27:36,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:27:36,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:27:36,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:27:36,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:27:36,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:27:36,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:27:36,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:27:36,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:27:36,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:27:36,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:27:36,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:27:36,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:27:36,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:27:36,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:27:36,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:27:36,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:27:36,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:27:36,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:27:36,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:27:36,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:27:36,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:27:36,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:27:36,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:27:36,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:27:36,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:27:36,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:27:36,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:27:36,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:27:36,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:27:36,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:27:36,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 07:27:36,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:27:36,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:27:36,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:27:36,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:27:36,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:27:36,392 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:27:36,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:27:36,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:27:36,394 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:27:36,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:27:36,395 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:27:36,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:27:36,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:27:36,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:27:36,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:27:36,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:27:36,396 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 07:27:36,396 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 07:27:36,396 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 07:27:36,403 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:27:36,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:27:36,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:27:36,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:27:36,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:27:36,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:27:36,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:27:36,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:27:36,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:27:36,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:27:36,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:27:36,405 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 07:27:36,405 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 07:27:36,405 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:27:36,406 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:27:36,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:27:36,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:27:36,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 07:27:36,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8000a65bc363d31baa4aafb5e66fa59ba3a657622231c3680549cc23a190458a [2021-12-17 07:27:36,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:27:36,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:27:36,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:27:36,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:27:36,669 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:27:36,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0550b.c [2021-12-17 07:27:36,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bdbf9623/1bb21ee66f41454d8ca11bd33fc46fc0/FLAG0d46506fc [2021-12-17 07:27:37,145 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:27:37,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0550b.c [2021-12-17 07:27:37,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bdbf9623/1bb21ee66f41454d8ca11bd33fc46fc0/FLAG0d46506fc [2021-12-17 07:27:37,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bdbf9623/1bb21ee66f41454d8ca11bd33fc46fc0 [2021-12-17 07:27:37,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:27:37,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:27:37,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:27:37,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:27:37,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:27:37,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:37,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d690e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37, skipping insertion in model container [2021-12-17 07:27:37,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:37,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:27:37,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:27:37,833 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_0550b.c[16149,16162] [2021-12-17 07:27:37,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:27:37,850 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:27:37,966 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_0550b.c[16149,16162] [2021-12-17 07:27:37,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:27:37,985 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:27:37,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37 WrapperNode [2021-12-17 07:27:37,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:27:37,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:27:37,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:27:37,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:27:38,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,087 INFO L137 Inliner]: procedures = 29, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 959 [2021-12-17 07:27:38,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:27:38,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:27:38,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:27:38,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:27:38,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:27:38,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:27:38,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:27:38,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:27:38,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (1/1) ... [2021-12-17 07:27:38,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:27:38,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:27:38,181 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) [2021-12-17 07:27:38,186 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 [2021-12-17 07:27:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:27:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-17 07:27:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-17 07:27:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-17 07:27:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-17 07:27:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 07:27:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-17 07:27:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:27:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-17 07:27:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-17 07:27:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-17 07:27:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 07:27:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-12-17 07:27:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-12-17 07:27:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-17 07:27:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-17 07:27:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:27:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:27:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 07:27:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:27:38,358 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:27:38,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:28:39,081 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:28:39,087 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:28:39,087 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-12-17 07:28:39,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:28:39 BoogieIcfgContainer [2021-12-17 07:28:39,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:28:39,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:28:39,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:28:39,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:28:39,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:27:37" (1/3) ... [2021-12-17 07:28:39,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e49658a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:28:39, skipping insertion in model container [2021-12-17 07:28:39,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:27:37" (2/3) ... [2021-12-17 07:28:39,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e49658a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:28:39, skipping insertion in model container [2021-12-17 07:28:39,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:28:39" (3/3) ... [2021-12-17 07:28:39,101 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0550b.c [2021-12-17 07:28:39,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:28:39,105 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:28:39,147 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:28:39,154 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 [2021-12-17 07:28:39,154 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:28:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 07:28:39,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-17 07:28:39,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:28:39,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:28:39,177 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:28:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:28:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash 926653483, now seen corresponding path program 1 times [2021-12-17 07:28:39,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:28:39,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529530431] [2021-12-17 07:28:39,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:28:39,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:28:39,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:28:39,195 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) [2021-12-17 07:28:39,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 07:28:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:28:39,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-17 07:28:39,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:28:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:28:39,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:28:39,957 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:28:39,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529530431] [2021-12-17 07:28:39,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529530431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:28:39,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:28:39,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:28:39,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822063972] [2021-12-17 07:28:39,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:28:39,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:28:39,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:28:39,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:28:39,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:28:39,994 INFO L87 Difference]: Start difference. First operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:28:40,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:28:40,051 INFO L93 Difference]: Finished difference Result 504 states and 843 transitions. [2021-12-17 07:28:40,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:28:40,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-17 07:28:40,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:28:40,067 INFO L225 Difference]: With dead ends: 504 [2021-12-17 07:28:40,068 INFO L226 Difference]: Without dead ends: 250 [2021-12-17 07:28:40,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:28:40,078 INFO L933 BasicCegarLoop]: 351 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, 351 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 [2021-12-17 07:28:40,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:28:40,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-17 07:28:40,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-12-17 07:28:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-17 07:28:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2021-12-17 07:28:40,136 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2021-12-17 07:28:40,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:28:40,137 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2021-12-17 07:28:40,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:28:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2021-12-17 07:28:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:28:40,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:28:40,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:28:40,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-17 07:28:40,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:28:40,356 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:28:40,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:28:40,356 INFO L85 PathProgramCache]: Analyzing trace with hash -69749587, now seen corresponding path program 1 times [2021-12-17 07:28:40,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:28:40,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022448868] [2021-12-17 07:28:40,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:28:40,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:28:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:28:40,359 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) [2021-12-17 07:28:40,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 07:28:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:28:40,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 07:28:40,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:28:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:28:43,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:28:43,360 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:28:43,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022448868] [2021-12-17 07:28:43,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022448868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:28:43,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:28:43,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:28:43,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900126231] [2021-12-17 07:28:43,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:28:43,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 07:28:43,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:28:43,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 07:28:43,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:28:43,364 INFO L87 Difference]: Start difference. First operand 250 states and 348 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:28:51,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:52,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:55,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:57,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:59,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:00,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:03,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:06,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:09,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:12,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:15,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:18,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:20,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:24,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:27,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:30,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:32,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:36,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:38,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:42,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:44,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:48,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:54,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:57,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:00,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:03,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:05,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:08,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:11,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:13,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:16,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:18,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:19,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:30:19,051 INFO L93 Difference]: Finished difference Result 372 states and 509 transitions. [2021-12-17 07:30:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 07:30:19,052 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-17 07:30:19,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:30:19,056 INFO L225 Difference]: With dead ends: 372 [2021-12-17 07:30:19,056 INFO L226 Difference]: Without dead ends: 367 [2021-12-17 07:30:19,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-17 07:30:19,057 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 274 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 7 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.2s IncrementalHoareTripleChecker+Time [2021-12-17 07:30:19,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 1586 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 141 Invalid, 28 Unknown, 0 Unchecked, 94.2s Time] [2021-12-17 07:30:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-12-17 07:30:19,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 309. [2021-12-17 07:30:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 287 states have (on average 1.3763066202090593) internal successors, (395), 290 states have internal predecessors, (395), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) [2021-12-17 07:30:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 426 transitions. [2021-12-17 07:30:19,085 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 426 transitions. Word has length 11 [2021-12-17 07:30:19,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:30:19,086 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 426 transitions. [2021-12-17 07:30:19,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:30:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 426 transitions. [2021-12-17 07:30:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-17 07:30:19,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:30:19,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:30:19,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-17 07:30:19,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:30:19,304 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:30:19,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:30:19,304 INFO L85 PathProgramCache]: Analyzing trace with hash -645544696, now seen corresponding path program 1 times [2021-12-17 07:30:19,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:30:19,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645345677] [2021-12-17 07:30:19,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:30:19,305 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:30:19,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:30:19,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:30:19,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 07:30:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:30:24,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:30:24,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:30:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:30:27,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:30:27,482 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:30:27,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645345677] [2021-12-17 07:30:27,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645345677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:30:27,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:30:27,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:30:27,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745160439] [2021-12-17 07:30:27,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:30:27,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:30:27,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:30:27,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:30:27,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:30:27,495 INFO L87 Difference]: Start difference. First operand 309 states and 426 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:30:27,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:30:27,504 INFO L93 Difference]: Finished difference Result 352 states and 474 transitions. [2021-12-17 07:30:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:30:27,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-12-17 07:30:27,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:30:27,507 INFO L225 Difference]: With dead ends: 352 [2021-12-17 07:30:27,507 INFO L226 Difference]: Without dead ends: 307 [2021-12-17 07:30:27,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:30:27,508 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:30:27,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1353 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-12-17 07:30:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2021-12-17 07:30:27,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2021-12-17 07:30:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 286 states have (on average 1.3741258741258742) internal successors, (393), 289 states have internal predecessors, (393), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (15), 10 states have call predecessors, (15), 13 states have call successors, (15) [2021-12-17 07:30:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 421 transitions. [2021-12-17 07:30:27,518 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 421 transitions. Word has length 22 [2021-12-17 07:30:27,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:30:27,519 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 421 transitions. [2021-12-17 07:30:27,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:30:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 421 transitions. [2021-12-17 07:30:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 07:30:27,520 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:30:27,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:30:27,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-17 07:30:27,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:30:27,733 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:30:27,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:30:27,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1365248396, now seen corresponding path program 1 times [2021-12-17 07:30:27,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:30:27,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780480328] [2021-12-17 07:30:27,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:30:27,734 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:30:27,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:30:27,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:30:27,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-17 07:30:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:30:33,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:30:33,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:30:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:30:36,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:30:36,658 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:30:36,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780480328] [2021-12-17 07:30:36,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780480328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:30:36,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:30:36,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:30:36,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771913062] [2021-12-17 07:30:36,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:30:36,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:30:36,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:30:36,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:30:36,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:30:36,660 INFO L87 Difference]: Start difference. First operand 307 states and 421 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:30:36,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:30:36,663 INFO L93 Difference]: Finished difference Result 307 states and 421 transitions. [2021-12-17 07:30:36,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:30:36,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-17 07:30:36,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:30:36,663 INFO L225 Difference]: With dead ends: 307 [2021-12-17 07:30:36,663 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 07:30:36,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:30:36,664 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:30:36,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-12-17 07:30:36,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 07:30:36,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 07:30:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:30:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 07:30:36,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-12-17 07:30:36,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:30:36,666 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 07:30:36,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:30:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 07:30:36,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 07:30:36,669 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:30:36,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-17 07:30:36,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:30:36,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 07:30:40,301 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-12-17 07:30:40,302 INFO L858 garLoopResultBuilder]: For program point L155-1(lines 155 160) no Hoare annotation was computed. [2021-12-17 07:30:40,302 INFO L861 garLoopResultBuilder]: At program point L155-2(lines 155 160) the Hoare annotation is: true [2021-12-17 07:30:40,302 INFO L858 garLoopResultBuilder]: For program point L155-3(lines 155 160) no Hoare annotation was computed. [2021-12-17 07:30:40,302 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 112 162) no Hoare annotation was computed. [2021-12-17 07:30:40,302 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 114 119) no Hoare annotation was computed. [2021-12-17 07:30:40,302 INFO L861 garLoopResultBuilder]: At program point L114-2(lines 114 119) the Hoare annotation is: true [2021-12-17 07:30:40,302 INFO L858 garLoopResultBuilder]: For program point L114-3(lines 114 119) no Hoare annotation was computed. [2021-12-17 07:30:40,303 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 147) no Hoare annotation was computed. [2021-12-17 07:30:40,303 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 132) no Hoare annotation was computed. [2021-12-17 07:30:40,303 INFO L861 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: true [2021-12-17 07:30:40,303 INFO L858 garLoopResultBuilder]: For program point L152-1(line 152) no Hoare annotation was computed. [2021-12-17 07:30:40,303 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 153) no Hoare annotation was computed. [2021-12-17 07:30:40,303 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 112 162) no Hoare annotation was computed. [2021-12-17 07:30:40,303 INFO L858 garLoopResultBuilder]: For program point L140-1(lines 140 145) no Hoare annotation was computed. [2021-12-17 07:30:40,304 INFO L861 garLoopResultBuilder]: At program point L140-2(lines 140 145) the Hoare annotation is: true [2021-12-17 07:30:40,304 INFO L858 garLoopResultBuilder]: For program point L140-3(lines 140 145) no Hoare annotation was computed. [2021-12-17 07:30:40,304 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 112 162) the Hoare annotation is: true [2021-12-17 07:30:40,304 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 152) no Hoare annotation was computed. [2021-12-17 07:30:40,304 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-12-17 07:30:40,304 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2021-12-17 07:30:40,304 INFO L861 garLoopResultBuilder]: At program point L125-2(lines 125 129) the Hoare annotation is: true [2021-12-17 07:30:40,304 INFO L858 garLoopResultBuilder]: For program point L125-3(lines 125 129) no Hoare annotation was computed. [2021-12-17 07:30:40,304 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 133) no Hoare annotation was computed. [2021-12-17 07:30:40,305 INFO L858 garLoopResultBuilder]: For program point L121-2(lines 112 162) no Hoare annotation was computed. [2021-12-17 07:30:40,305 INFO L861 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: true [2021-12-17 07:30:40,305 INFO L858 garLoopResultBuilder]: For program point L150-1(line 150) no Hoare annotation was computed. [2021-12-17 07:30:40,305 INFO L861 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: true [2021-12-17 07:30:40,305 INFO L858 garLoopResultBuilder]: For program point L138-1(line 138) no Hoare annotation was computed. [2021-12-17 07:30:40,305 INFO L858 garLoopResultBuilder]: For program point L99-2(lines 99 104) no Hoare annotation was computed. [2021-12-17 07:30:40,305 INFO L858 garLoopResultBuilder]: For program point L89-1(lines 89 93) no Hoare annotation was computed. [2021-12-17 07:30:40,305 INFO L861 garLoopResultBuilder]: At program point L89-2(lines 89 93) the Hoare annotation is: true [2021-12-17 07:30:40,305 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 87 106) no Hoare annotation was computed. [2021-12-17 07:30:40,305 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 87 106) no Hoare annotation was computed. [2021-12-17 07:30:40,306 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 87 106) the Hoare annotation is: true [2021-12-17 07:30:40,306 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-12-17 07:30:40,306 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 87 106) no Hoare annotation was computed. [2021-12-17 07:30:40,306 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 104) no Hoare annotation was computed. [2021-12-17 07:30:40,306 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 87 106) no Hoare annotation was computed. [2021-12-17 07:30:40,306 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 163 177) no Hoare annotation was computed. [2021-12-17 07:30:40,306 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 163 177) the Hoare annotation is: true [2021-12-17 07:30:40,306 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 175) no Hoare annotation was computed. [2021-12-17 07:30:40,306 INFO L858 garLoopResultBuilder]: For program point L170-1(lines 163 177) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 170 175) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 163 177) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L861 garLoopResultBuilder]: At program point L165-2(lines 165 169) the Hoare annotation is: true [2021-12-17 07:30:40,307 INFO L861 garLoopResultBuilder]: At program point L560(line 560) the Hoare annotation is: true [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 611) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 563) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point __kernel_tanFINAL(lines 542 612) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L861 garLoopResultBuilder]: At program point __kernel_tanENTRY(lines 542 612) the Hoare annotation is: true [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 565 574) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 545 549) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L861 garLoopResultBuilder]: At program point L545-2(lines 545 549) the Hoare annotation is: true [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L545-3(lines 545 549) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L603-1(lines 603 608) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L861 garLoopResultBuilder]: At program point L603-2(lines 603 608) the Hoare annotation is: true [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L603-3(lines 603 608) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point __kernel_tanEXIT(lines 542 612) no Hoare annotation was computed. [2021-12-17 07:30:40,307 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 569) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L566-2(lines 566 569) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 595 600) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L861 garLoopResultBuilder]: At program point L595-2(lines 595 600) the Hoare annotation is: true [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L562-2(line 562) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L595-3(lines 595 600) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 554 558) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L861 garLoopResultBuilder]: At program point L554-2(lines 554 558) the Hoare annotation is: true [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L554-3(lines 552 563) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 564) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L551-2(lines 542 612) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L465-1(lines 465 469) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L854 garLoopResultBuilder]: At program point L465-2(lines 465 469) the Hoare annotation is: false [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L333-1(line 333) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L854 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: false [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-12-17 07:30:40,308 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 504) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 398 527) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L499-2(lines 499 504) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 203) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 203) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed. [2021-12-17 07:30:40,309 INFO L854 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2021-12-17 07:30:40,310 INFO L858 garLoopResultBuilder]: For program point L335-4(lines 321 361) no Hoare annotation was computed. [2021-12-17 07:30:40,310 INFO L854 garLoopResultBuilder]: At program point L633(line 633) the Hoare annotation is: false [2021-12-17 07:30:40,310 INFO L858 garLoopResultBuilder]: For program point L633-1(line 633) no Hoare annotation was computed. [2021-12-17 07:30:40,310 INFO L854 garLoopResultBuilder]: At program point L633-2(lines 614 635) the Hoare annotation is: (and (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_tan_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)))) [2021-12-17 07:30:40,310 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-12-17 07:30:40,310 INFO L858 garLoopResultBuilder]: For program point L337-1(line 337) no Hoare annotation was computed. [2021-12-17 07:30:40,310 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 239) no Hoare annotation was computed. [2021-12-17 07:30:40,310 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 193 363) no Hoare annotation was computed. [2021-12-17 07:30:40,310 INFO L858 garLoopResultBuilder]: For program point L238-2(lines 193 363) no Hoare annotation was computed. [2021-12-17 07:30:40,311 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 477) no Hoare annotation was computed. [2021-12-17 07:30:40,311 INFO L858 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2021-12-17 07:30:40,311 INFO L854 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2021-12-17 07:30:40,311 INFO L858 garLoopResultBuilder]: For program point L339(line 339) no Hoare annotation was computed. [2021-12-17 07:30:40,311 INFO L858 garLoopResultBuilder]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2021-12-17 07:30:40,311 INFO L858 garLoopResultBuilder]: For program point L273-2(lines 273 274) no Hoare annotation was computed. [2021-12-17 07:30:40,311 INFO L854 garLoopResultBuilder]: At program point L273-3(lines 273 274) the Hoare annotation is: false [2021-12-17 07:30:40,311 INFO L858 garLoopResultBuilder]: For program point L273-4(lines 271 288) no Hoare annotation was computed. [2021-12-17 07:30:40,311 INFO L858 garLoopResultBuilder]: For program point L340-2(lines 340 344) no Hoare annotation was computed. [2021-12-17 07:30:40,311 INFO L858 garLoopResultBuilder]: For program point L241(lines 193 363) no Hoare annotation was computed. [2021-12-17 07:30:40,312 INFO L854 garLoopResultBuilder]: At program point L340-3(lines 340 344) the Hoare annotation is: false [2021-12-17 07:30:40,312 INFO L858 garLoopResultBuilder]: For program point L340-4(lines 340 344) no Hoare annotation was computed. [2021-12-17 07:30:40,312 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 209) no Hoare annotation was computed. [2021-12-17 07:30:40,312 INFO L854 garLoopResultBuilder]: At program point L208-3(lines 208 209) the Hoare annotation is: false [2021-12-17 07:30:40,312 INFO L858 garLoopResultBuilder]: For program point L208-4(lines 208 209) no Hoare annotation was computed. [2021-12-17 07:30:40,312 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 506 511) no Hoare annotation was computed. [2021-12-17 07:30:40,312 INFO L854 garLoopResultBuilder]: At program point L506-2(lines 506 511) the Hoare annotation is: false [2021-12-17 07:30:40,312 INFO L858 garLoopResultBuilder]: For program point L506-3(lines 506 511) no Hoare annotation was computed. [2021-12-17 07:30:40,312 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L209-2(line 209) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 487) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L309(line 309) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L276-1(lines 276 277) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L276-3(lines 276 277) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L854 garLoopResultBuilder]: At program point L276-4(lines 276 277) the Hoare annotation is: false [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L276-5(lines 276 277) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 24 85) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2021-12-17 07:30:40,313 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: false [2021-12-17 07:30:40,314 INFO L858 garLoopResultBuilder]: For program point L442-1(line 442) no Hoare annotation was computed. [2021-12-17 07:30:40,314 INFO L858 garLoopResultBuilder]: For program point L310-2(lines 310 313) no Hoare annotation was computed. [2021-12-17 07:30:40,314 INFO L854 garLoopResultBuilder]: At program point L310-3(lines 310 313) the Hoare annotation is: false [2021-12-17 07:30:40,314 INFO L858 garLoopResultBuilder]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2021-12-17 07:30:40,314 INFO L858 garLoopResultBuilder]: For program point L310-4(lines 310 313) no Hoare annotation was computed. [2021-12-17 07:30:40,314 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 211 215) no Hoare annotation was computed. [2021-12-17 07:30:40,314 INFO L854 garLoopResultBuilder]: At program point L244-3(lines 244 253) the Hoare annotation is: false [2021-12-17 07:30:40,314 INFO L854 garLoopResultBuilder]: At program point L211-3(lines 211 215) the Hoare annotation is: false [2021-12-17 07:30:40,314 INFO L858 garLoopResultBuilder]: For program point L244-4(lines 241 269) no Hoare annotation was computed. [2021-12-17 07:30:40,314 INFO L858 garLoopResultBuilder]: For program point L211-4(lines 211 215) no Hoare annotation was computed. [2021-12-17 07:30:40,315 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-12-17 07:30:40,315 INFO L858 garLoopResultBuilder]: For program point L212-2(lines 212 213) no Hoare annotation was computed. [2021-12-17 07:30:40,315 INFO L854 garLoopResultBuilder]: At program point L212-3(lines 212 213) the Hoare annotation is: false [2021-12-17 07:30:40,315 INFO L858 garLoopResultBuilder]: For program point L212-4(lines 212 213) no Hoare annotation was computed. [2021-12-17 07:30:40,315 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 415) no Hoare annotation was computed. [2021-12-17 07:30:40,315 INFO L858 garLoopResultBuilder]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2021-12-17 07:30:40,315 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 252) no Hoare annotation was computed. [2021-12-17 07:30:40,315 INFO L854 garLoopResultBuilder]: At program point L345-3(lines 345 349) the Hoare annotation is: false [2021-12-17 07:30:40,315 INFO L858 garLoopResultBuilder]: For program point L279-2(lines 279 284) no Hoare annotation was computed. [2021-12-17 07:30:40,315 INFO L858 garLoopResultBuilder]: For program point L345-4(lines 345 349) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L854 garLoopResultBuilder]: At program point L279-3(lines 279 284) the Hoare annotation is: false [2021-12-17 07:30:40,316 INFO L858 garLoopResultBuilder]: For program point L279-4(lines 279 284) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 250) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L858 garLoopResultBuilder]: For program point L512-2(lines 512 515) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L854 garLoopResultBuilder]: At program point L512-3(lines 512 515) the Hoare annotation is: false [2021-12-17 07:30:40,316 INFO L858 garLoopResultBuilder]: For program point L512-4(lines 512 515) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L858 garLoopResultBuilder]: For program point L281-2(lines 281 282) no Hoare annotation was computed. [2021-12-17 07:30:40,316 INFO L854 garLoopResultBuilder]: At program point L281-3(lines 281 282) the Hoare annotation is: false [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L281-4(lines 281 282) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L447-2(lines 447 479) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 315 319) the Hoare annotation is: false [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 315 319) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L854 garLoopResultBuilder]: At program point L84(lines 24 85) the Hoare annotation is: false [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 486) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 317) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 316 317) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 440) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L350-2(lines 350 351) no Hoare annotation was computed. [2021-12-17 07:30:40,317 INFO L854 garLoopResultBuilder]: At program point L350-3(lines 350 351) the Hoare annotation is: false [2021-12-17 07:30:40,317 INFO L858 garLoopResultBuilder]: For program point L350-4(lines 321 361) no Hoare annotation was computed. [2021-12-17 07:30:40,318 INFO L854 garLoopResultBuilder]: At program point L20(line 20) the Hoare annotation is: (and (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_tan_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_isnan_double_#res#1| (_ bv1 32))) [2021-12-17 07:30:40,318 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 651) no Hoare annotation was computed. [2021-12-17 07:30:40,318 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 439) no Hoare annotation was computed. [2021-12-17 07:30:40,318 INFO L858 garLoopResultBuilder]: For program point L649(line 649) no Hoare annotation was computed. [2021-12-17 07:30:40,318 INFO L854 garLoopResultBuilder]: At program point L286(lines 193 363) the Hoare annotation is: false [2021-12-17 07:30:40,318 INFO L858 garLoopResultBuilder]: For program point L220-2(lines 220 224) no Hoare annotation was computed. [2021-12-17 07:30:40,318 INFO L854 garLoopResultBuilder]: At program point L220-3(lines 220 224) the Hoare annotation is: false [2021-12-17 07:30:40,318 INFO L854 garLoopResultBuilder]: At program point L220-4(lines 220 224) the Hoare annotation is: false [2021-12-17 07:30:40,318 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2021-12-17 07:30:40,318 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 518 519) no Hoare annotation was computed. [2021-12-17 07:30:40,318 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-12-17 07:30:40,318 INFO L854 garLoopResultBuilder]: At program point L518-3(lines 518 519) the Hoare annotation is: false [2021-12-17 07:30:40,318 INFO L858 garLoopResultBuilder]: For program point L518-4(lines 518 519) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 241 269) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L854 garLoopResultBuilder]: At program point L618-2(lines 618 622) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_tan_double_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))) [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L618-3(lines 618 622) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 453 457) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L854 garLoopResultBuilder]: At program point L453-2(lines 453 457) the Hoare annotation is: false [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L453-3(lines 453 457) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L854 garLoopResultBuilder]: At program point L321(lines 321 361) the Hoare annotation is: false [2021-12-17 07:30:40,319 INFO L854 garLoopResultBuilder]: At program point L255(lines 255 262) the Hoare annotation is: false [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L322(line 322) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L858 garLoopResultBuilder]: For program point L256(line 256) no Hoare annotation was computed. [2021-12-17 07:30:40,319 INFO L861 garLoopResultBuilder]: At program point L653(lines 637 654) the Hoare annotation is: true [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 492) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L324-2(lines 324 325) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L854 garLoopResultBuilder]: At program point L324-3(lines 324 325) the Hoare annotation is: false [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L324-4(lines 321 361) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L326-1(line 326) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L293-1(lines 293 296) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 296) the Hoare annotation is: false [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 478) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L459-1(lines 447 479) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 634) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L854 garLoopResultBuilder]: At program point L526(lines 398 527) the Hoare annotation is: false [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L328-2(line 328) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L854 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: false [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2021-12-17 07:30:40,320 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 494 498) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L854 garLoopResultBuilder]: At program point L494-2(lines 494 498) the Hoare annotation is: false [2021-12-17 07:30:40,321 INFO L854 garLoopResultBuilder]: At program point L362(lines 192 363) the Hoare annotation is: false [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 649) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 239) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 634) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 437) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 437) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L854 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: false [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L331-2(lines 331 332) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L854 garLoopResultBuilder]: At program point L331-3(lines 331 332) the Hoare annotation is: false [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L331-4(lines 321 361) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 306) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 267) no Hoare annotation was computed. [2021-12-17 07:30:40,321 INFO L854 garLoopResultBuilder]: At program point L299-2(lines 290 307) the Hoare annotation is: false [2021-12-17 07:30:40,322 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2021-12-17 07:30:40,324 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-17 07:30:40,325 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:30:40,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:30:40,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:30:40,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:30:40,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:30:40,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:30:40 BoogieIcfgContainer [2021-12-17 07:30:40,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:30:40,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:30:40,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:30:40,348 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:30:40,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:28:39" (3/4) ... [2021-12-17 07:30:40,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 07:30:40,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-12-17 07:30:40,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-12-17 07:30:40,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-12-17 07:30:40,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tan [2021-12-17 07:30:40,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-17 07:30:40,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-12-17 07:30:40,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-17 07:30:40,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 07:30:40,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) [2021-12-17 07:30:40,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) [2021-12-17 07:30:40,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == 1bv32 [2021-12-17 07:30:40,481 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 07:30:40,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:30:40,481 INFO L158 Benchmark]: Toolchain (without parser) took 182956.46ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 44.5MB in the beginning and 33.5MB in the end (delta: 11.0MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-12-17 07:30:40,482 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:30:40,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.28ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 28.2MB in the end (delta: 16.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-12-17 07:30:40,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.50ms. Allocated memory is still 65.0MB. Free memory was 28.2MB in the beginning and 41.4MB in the end (delta: -13.1MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-12-17 07:30:40,482 INFO L158 Benchmark]: Boogie Preprocessor took 67.25ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 34.5MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 07:30:40,483 INFO L158 Benchmark]: RCFGBuilder took 60938.60ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 45.6MB in the end (delta: -11.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-12-17 07:30:40,483 INFO L158 Benchmark]: TraceAbstraction took 121250.52ms. Allocated memory is still 81.8MB. Free memory was 45.1MB in the beginning and 29.8MB in the end (delta: 15.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-12-17 07:30:40,484 INFO L158 Benchmark]: Witness Printer took 133.08ms. Allocated memory is still 81.8MB. Free memory was 29.8MB in the beginning and 33.5MB in the end (delta: -3.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-12-17 07:30:40,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.28ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 28.2MB in the end (delta: 16.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.50ms. Allocated memory is still 65.0MB. Free memory was 28.2MB in the beginning and 41.4MB in the end (delta: -13.1MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.25ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 34.5MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 60938.60ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 45.6MB in the end (delta: -11.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 121250.52ms. Allocated memory is still 81.8MB. Free memory was 45.1MB in the beginning and 29.8MB in the end (delta: 15.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 133.08ms. Allocated memory is still 81.8MB. Free memory was 29.8MB in the beginning and 33.5MB in the end (delta: -3.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 649]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 253 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 121.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 95.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 28 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 94.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 274 mSDsluCounter, 3298 SdHoareTripleChecker+Invalid, 89.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 13 IncrementalHoareTripleChecker+Unchecked, 2286 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 1012 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=2, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 58 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 170 PreInvPairs, 174 NumberOfFragments, 138 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 10.7s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 67 ConstructedInterpolants, 9 QuantifiedInterpolants, 314 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1155 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2021-12-17 07:30:40,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && \result == 1bv32 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant [2021-12-17 07:30:40,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant [2021-12-17 07:30:40,518 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:30:40,518 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:30:40,519 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:30:40,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:30:40,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) RESULT: Ultimate proved your program to be correct! [2021-12-17 07:30:40,743 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-17 07:30:40,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE