./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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/float_req_bl_0220b.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 eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:25:40,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:25:40,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:25:40,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:25:40,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:25:40,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:25:40,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:25:40,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:25:40,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:25:40,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:25:40,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:25:40,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:25:40,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:25:40,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:25:40,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:25:40,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:25:40,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:25:40,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:25:40,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:25:40,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:25:40,727 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:25:40,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:25:40,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:25:40,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:25:40,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:25:40,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:25:40,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:25:40,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:25:40,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:25:40,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:25:40,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:25:40,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:25:40,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:25:40,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:25:40,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:25:40,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:25:40,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:25:40,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:25:40,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:25:40,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:25:40,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:25:40,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:25:40,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 14:25:40,776 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:25:40,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:25:40,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:25:40,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:25:40,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:25:40,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:25:40,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:25:40,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:25:40,779 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:25:40,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:25:40,780 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:25:40,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 14:25:40,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:25:40,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:25:40,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:25:40,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:25:40,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:25:40,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:25:40,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:25:40,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:25:40,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:25:40,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:25:40,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:25:40,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:25:40,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:25:40,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:25:40,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:25:40,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:25:40,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 14:25:40,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 14:25:40,783 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:25:40,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:25:40,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:25:40,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2022-07-22 14:25:40,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:25:41,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:25:41,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:25:41,009 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:25:41,015 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:25:41,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2022-07-22 14:25:41,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab403002/6502a5e4319a42dbb697f05de857b29b/FLAGba445ab61 [2022-07-22 14:25:41,523 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:25:41,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2022-07-22 14:25:41,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab403002/6502a5e4319a42dbb697f05de857b29b/FLAGba445ab61 [2022-07-22 14:25:41,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab403002/6502a5e4319a42dbb697f05de857b29b [2022-07-22 14:25:41,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:25:41,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:25:41,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:25:41,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:25:41,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:25:41,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:41,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd78ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41, skipping insertion in model container [2022-07-22 14:25:41,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:41,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:25:41,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:25:41,832 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/float_req_bl_0220b.c[15845,15858] [2022-07-22 14:25:41,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:25:41,864 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:25:41,935 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/float_req_bl_0220b.c[15845,15858] [2022-07-22 14:25:41,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:25:41,975 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:25:41,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41 WrapperNode [2022-07-22 14:25:41,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:25:41,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:25:41,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:25:41,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:25:41,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,055 INFO L137 Inliner]: procedures = 25, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1168 [2022-07-22 14:25:42,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:25:42,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:25:42,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:25:42,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:25:42,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:25:42,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:25:42,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:25:42,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:25:42,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (1/1) ... [2022-07-22 14:25:42,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:25:42,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:25:42,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 14:25:42,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 14:25:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-07-22 14:25:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-07-22 14:25:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:25:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 14:25:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-22 14:25:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 14:25:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-22 14:25:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-07-22 14:25:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-07-22 14:25:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-22 14:25:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-22 14:25:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 14:25:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-22 14:25:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-22 14:25:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-22 14:25:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 14:25:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:25:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:25:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:25:42,393 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:25:42,394 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:25:43,320 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:25:43,333 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:25:43,333 INFO L299 CfgBuilder]: Removed 61 assume(true) statements. [2022-07-22 14:25:43,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:43 BoogieIcfgContainer [2022-07-22 14:25:43,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:25:43,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:25:43,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:25:43,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:25:43,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:25:41" (1/3) ... [2022-07-22 14:25:43,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee44375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:25:43, skipping insertion in model container [2022-07-22 14:25:43,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:41" (2/3) ... [2022-07-22 14:25:43,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee44375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:25:43, skipping insertion in model container [2022-07-22 14:25:43,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:43" (3/3) ... [2022-07-22 14:25:43,343 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2022-07-22 14:25:43,353 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:25:43,353 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:25:43,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:25:43,411 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@732bef0e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5f448b51 [2022-07-22 14:25:43,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:25:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 238 states have (on average 1.6764705882352942) internal successors, (399), 239 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 14:25:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-22 14:25:43,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:43,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:43,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:43,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash -708745763, now seen corresponding path program 1 times [2022-07-22 14:25:43,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:25:43,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050357475] [2022-07-22 14:25:43,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:43,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:25:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:25:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:25:43,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:25:43,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050357475] [2022-07-22 14:25:43,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050357475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:25:43,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:25:43,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:25:43,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083829308] [2022-07-22 14:25:43,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:25:43,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:25:43,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:25:43,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:25:43,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:25:43,699 INFO L87 Difference]: Start difference. First operand has 256 states, 238 states have (on average 1.6764705882352942) internal successors, (399), 239 states have internal predecessors, (399), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-07-22 14:25:43,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:25:43,764 INFO L93 Difference]: Finished difference Result 510 states and 856 transitions. [2022-07-22 14:25:43,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:25:43,766 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 [2022-07-22 14:25:43,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:25:43,779 INFO L225 Difference]: With dead ends: 510 [2022-07-22 14:25:43,780 INFO L226 Difference]: Without dead ends: 253 [2022-07-22 14:25:43,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:25:43,796 INFO L413 NwaCegarLoop]: 357 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, 357 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:25:43,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:25:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-07-22 14:25:43,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-07-22 14:25:43,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 236 states have (on average 1.3983050847457628) internal successors, (330), 236 states have internal predecessors, (330), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 14:25:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 354 transitions. [2022-07-22 14:25:43,867 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 354 transitions. Word has length 10 [2022-07-22 14:25:43,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:25:43,867 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 354 transitions. [2022-07-22 14:25:43,868 INFO L496 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) [2022-07-22 14:25:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 354 transitions. [2022-07-22 14:25:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 14:25:43,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:25:43,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:25:43,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 14:25:43,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:25:43,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:25:43,871 INFO L85 PathProgramCache]: Analyzing trace with hash 759938259, now seen corresponding path program 1 times [2022-07-22 14:25:43,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:25:43,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552692800] [2022-07-22 14:25:43,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:25:43,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:25:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 14:25:44,017 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 14:25:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 14:25:44,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 14:25:44,128 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 14:25:44,129 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:25:44,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 14:25:44,133 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 14:25:44,135 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:25:44,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:25:44 BoogieIcfgContainer [2022-07-22 14:25:44,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:25:44,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:25:44,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:25:44,194 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:25:44,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:25:43" (3/4) ... [2022-07-22 14:25:44,196 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 14:25:44,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:25:44,198 INFO L158 Benchmark]: Toolchain (without parser) took 2640.23ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 71.8MB in the beginning and 96.6MB in the end (delta: -24.7MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-07-22 14:25:44,198 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:25:44,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.68ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 63.1MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 14:25:44,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.85ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 55.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 14:25:44,205 INFO L158 Benchmark]: Boogie Preprocessor took 78.68ms. Allocated memory is still 107.0MB. Free memory was 55.4MB in the beginning and 48.4MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 14:25:44,206 INFO L158 Benchmark]: RCFGBuilder took 1193.42ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 48.1MB in the beginning and 93.5MB in the end (delta: -45.5MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-07-22 14:25:44,206 INFO L158 Benchmark]: TraceAbstraction took 854.51ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 96.6MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:25:44,207 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 163.6MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:25:44,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.68ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 63.1MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.85ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 55.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.68ms. Allocated memory is still 107.0MB. Free memory was 55.4MB in the beginning and 48.4MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1193.42ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 48.1MB in the beginning and 93.5MB in the end (delta: -45.5MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * TraceAbstraction took 854.51ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 96.6MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 163.6MB. Free memory is still 96.6MB. 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: 629]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 507, overapproximation of bitwiseAnd at line 594, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 599. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L90-L92] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L165] static const int init_jk_krempio[] = {4, 7, 9}; [L167-L171] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L173-L175] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L350-L368] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L370-L376] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L378-L387] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L507-L510] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L534-L537] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L574-L582] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L624] float x = -0.0f; [L625] CALL, EXPR sin_float(x) [L585] float y[2], z = 0.0; [L586] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L589] ieee_float_shape_type gf_u; [L590] gf_u.value = (x) [L591] EXPR gf_u.word [L591] (ix) = gf_u.word [L594] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L598] COND TRUE !((ix) < 0x7f800000L) [L599] return x - x; [L599] return x - x; VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR sin_float(x) [L625] float res = sin_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, res == -0.0f && __signbit_float(res) == 1=0, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000001, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 357 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, 357 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=256occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 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 [2022-07-22 14:25:44,243 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/float_req_bl_0220b.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 eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:25:45,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:25:45,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:25:46,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:25:46,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:25:46,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:25:46,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:25:46,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:25:46,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:25:46,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:25:46,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:25:46,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:25:46,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:25:46,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:25:46,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:25:46,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:25:46,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:25:46,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:25:46,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:25:46,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:25:46,042 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:25:46,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:25:46,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:25:46,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:25:46,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:25:46,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:25:46,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:25:46,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:25:46,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:25:46,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:25:46,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:25:46,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:25:46,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:25:46,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:25:46,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:25:46,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:25:46,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:25:46,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:25:46,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:25:46,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:25:46,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:25:46,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:25:46,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 14:25:46,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:25:46,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:25:46,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:25:46,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:25:46,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:25:46,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:25:46,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:25:46,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:25:46,082 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:25:46,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:25:46,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:25:46,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:25:46,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:25:46,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:25:46,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:25:46,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:25:46,089 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 14:25:46,089 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 14:25:46,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 14:25:46,090 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:25:46,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:25:46,090 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:25:46,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:25:46,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:25:46,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:25:46,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:25:46,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:25:46,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:25:46,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:25:46,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:25:46,092 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 14:25:46,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 14:25:46,092 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:25:46,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:25:46,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:25:46,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 14:25:46,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba0d69032dcca3a4fd537674be713f074cf8e41be9cc562a35b9ffa9def96ba [2022-07-22 14:25:46,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:25:46,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:25:46,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:25:46,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:25:46,335 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:25:46,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2022-07-22 14:25:46,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba841e296/dfbf290dd3bb45a28286a6714643c5db/FLAGcb9fa11b9 [2022-07-22 14:25:46,781 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:25:46,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0220b.c [2022-07-22 14:25:46,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba841e296/dfbf290dd3bb45a28286a6714643c5db/FLAGcb9fa11b9 [2022-07-22 14:25:46,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba841e296/dfbf290dd3bb45a28286a6714643c5db [2022-07-22 14:25:46,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:25:46,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:25:46,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:25:46,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:25:46,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:25:46,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:46" (1/1) ... [2022-07-22 14:25:46,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e07b884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:46, skipping insertion in model container [2022-07-22 14:25:46,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:25:46" (1/1) ... [2022-07-22 14:25:46,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:25:46,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:25:47,083 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/float_req_bl_0220b.c[15845,15858] [2022-07-22 14:25:47,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:25:47,122 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:25:47,181 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/float_req_bl_0220b.c[15845,15858] [2022-07-22 14:25:47,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:25:47,215 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:25:47,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47 WrapperNode [2022-07-22 14:25:47,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:25:47,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:25:47,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:25:47,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:25:47,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,294 INFO L137 Inliner]: procedures = 29, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1154 [2022-07-22 14:25:47,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:25:47,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:25:47,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:25:47,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:25:47,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:25:47,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:25:47,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:25:47,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:25:47,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (1/1) ... [2022-07-22 14:25:47,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:25:47,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:25:47,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 14:25:47,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 14:25:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-07-22 14:25:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-07-22 14:25:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:25:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 14:25:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 14:25:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 14:25:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-22 14:25:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 14:25:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-07-22 14:25:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-07-22 14:25:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-07-22 14:25:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-07-22 14:25:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-22 14:25:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-22 14:25:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-22 14:25:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-22 14:25:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:25:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:25:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 14:25:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:25:47,659 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:25:47,660 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:26:20,498 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:26:20,510 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:26:20,513 INFO L299 CfgBuilder]: Removed 61 assume(true) statements. [2022-07-22 14:26:20,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:26:20 BoogieIcfgContainer [2022-07-22 14:26:20,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:26:20,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:26:20,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:26:20,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:26:20,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:25:46" (1/3) ... [2022-07-22 14:26:20,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6915a810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:26:20, skipping insertion in model container [2022-07-22 14:26:20,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:25:47" (2/3) ... [2022-07-22 14:26:20,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6915a810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:26:20, skipping insertion in model container [2022-07-22 14:26:20,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:26:20" (3/3) ... [2022-07-22 14:26:20,526 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2022-07-22 14:26:20,565 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:26:20,565 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:26:20,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:26:20,645 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@323e0b82, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7ff3dcab [2022-07-22 14:26:20,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:26:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 231 states have (on average 1.6623376623376624) internal successors, (384), 232 states have internal predecessors, (384), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 14:26:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-22 14:26:20,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:26:20,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:26:20,656 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:26:20,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:26:20,660 INFO L85 PathProgramCache]: Analyzing trace with hash -709361443, now seen corresponding path program 1 times [2022-07-22 14:26:20,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:26:20,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428472469] [2022-07-22 14:26:20,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:26:20,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:26:20,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:26:20,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:26:20,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 14:26:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:26:22,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 14:26:22,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:26:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:26:22,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:26:22,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:26:22,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428472469] [2022-07-22 14:26:22,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428472469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:26:22,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:26:22,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:26:22,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429564275] [2022-07-22 14:26:22,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:26:22,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:26:22,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:26:22,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:26:22,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:26:22,512 INFO L87 Difference]: Start difference. First operand has 249 states, 231 states have (on average 1.6623376623376624) internal successors, (384), 232 states have internal predecessors, (384), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-07-22 14:26:22,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:26:22,552 INFO L93 Difference]: Finished difference Result 496 states and 826 transitions. [2022-07-22 14:26:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:26:22,553 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 [2022-07-22 14:26:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:26:22,573 INFO L225 Difference]: With dead ends: 496 [2022-07-22 14:26:22,573 INFO L226 Difference]: Without dead ends: 246 [2022-07-22 14:26:22,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:26:22,617 INFO L413 NwaCegarLoop]: 346 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, 346 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:26:22,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:26:22,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-07-22 14:26:22,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2022-07-22 14:26:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 229 states have (on average 1.3930131004366813) internal successors, (319), 229 states have internal predecessors, (319), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 14:26:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 343 transitions. [2022-07-22 14:26:22,677 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 343 transitions. Word has length 10 [2022-07-22 14:26:22,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:26:22,677 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 343 transitions. [2022-07-22 14:26:22,678 INFO L496 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) [2022-07-22 14:26:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 343 transitions. [2022-07-22 14:26:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 14:26:22,678 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:26:22,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:26:22,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 14:26:22,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:26:22,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:26:22,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:26:22,880 INFO L85 PathProgramCache]: Analyzing trace with hash 759322579, now seen corresponding path program 1 times [2022-07-22 14:26:22,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:26:22,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11156834] [2022-07-22 14:26:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:26:22,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:26:22,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:26:22,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:26:22,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 14:26:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:26:24,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 14:26:24,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:26:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:26:24,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:26:24,712 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:26:24,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11156834] [2022-07-22 14:26:24,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11156834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:26:24,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:26:24,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 14:26:24,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259137875] [2022-07-22 14:26:24,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:26:24,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 14:26:24,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:26:24,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 14:26:24,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 14:26:24,715 INFO L87 Difference]: Start difference. First operand 246 states and 343 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2022-07-22 14:26:24,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:26:24,861 INFO L93 Difference]: Finished difference Result 265 states and 364 transitions. [2022-07-22 14:26:24,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 14:26:24,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 [2022-07-22 14:26:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:26:24,863 INFO L225 Difference]: With dead ends: 265 [2022-07-22 14:26:24,863 INFO L226 Difference]: Without dead ends: 27 [2022-07-22 14:26:24,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:26:24,866 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 2 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:26:24,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 102 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2022-07-22 14:26:24,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-07-22 14:26:24,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-07-22 14:26:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-07-22 14:26:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-07-22 14:26:24,903 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2022-07-22 14:26:24,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:26:24,904 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-07-22 14:26:24,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2022-07-22 14:26:24,904 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-07-22 14:26:24,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-22 14:26:24,905 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:26:24,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:26:24,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 14:26:25,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:26:25,106 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:26:25,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:26:25,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1983106081, now seen corresponding path program 1 times [2022-07-22 14:26:25,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:26:25,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237469321] [2022-07-22 14:26:25,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:26:25,108 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:26:25,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:26:25,109 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) [2022-07-22 14:26:25,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 14:26:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:26:26,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-22 14:26:26,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:26:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:26:27,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:26:27,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:26:27,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237469321] [2022-07-22 14:26:27,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237469321] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:26:27,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:26:27,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 14:26:27,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416945395] [2022-07-22 14:26:27,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:26:27,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 14:26:27,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:26:27,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 14:26:27,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:26:27,178 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-07-22 14:26:29,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:26:32,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:26:34,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:26:36,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:26:38,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:26:38,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:26:38,733 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-07-22 14:26:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 14:26:38,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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 20 [2022-07-22 14:26:38,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:26:38,734 INFO L225 Difference]: With dead ends: 42 [2022-07-22 14:26:38,734 INFO L226 Difference]: Without dead ends: 39 [2022-07-22 14:26:38,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-22 14:26:38,736 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 35 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-22 14:26:38,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 122 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 5 Unknown, 0 Unchecked, 11.2s Time] [2022-07-22 14:26:38,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-07-22 14:26:38,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2022-07-22 14:26:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:26:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-07-22 14:26:38,739 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2022-07-22 14:26:38,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:26:38,739 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-07-22 14:26:38,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2022-07-22 14:26:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-07-22 14:26:38,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-22 14:26:38,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:26:38,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:26:38,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 14:26:38,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:26:38,960 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:26:38,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:26:38,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1085069118, now seen corresponding path program 1 times [2022-07-22 14:26:38,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:26:38,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351940170] [2022-07-22 14:26:38,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:26:38,961 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:26:38,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:26:38,962 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) [2022-07-22 14:26:38,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 14:26:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:26:41,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-22 14:26:41,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:26:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:26:41,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:26:41,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:26:41,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351940170] [2022-07-22 14:26:41,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351940170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:26:41,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:26:41,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 14:26:41,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671650654] [2022-07-22 14:26:41,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:26:41,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 14:26:41,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:26:41,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 14:26:41,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 14:26:41,565 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-07-22 14:26:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:26:42,439 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-07-22 14:26:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 14:26:42,442 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 21 [2022-07-22 14:26:42,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:26:42,443 INFO L225 Difference]: With dead ends: 46 [2022-07-22 14:26:42,443 INFO L226 Difference]: Without dead ends: 32 [2022-07-22 14:26:42,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 14:26:42,444 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 14:26:42,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 124 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 14 Unchecked, 0.4s Time] [2022-07-22 14:26:42,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-07-22 14:26:42,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-07-22 14:26:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:26:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2022-07-22 14:26:42,447 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 21 [2022-07-22 14:26:42,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:26:42,447 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-07-22 14:26:42,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-07-22 14:26:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-07-22 14:26:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-22 14:26:42,448 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:26:42,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:26:42,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-22 14:26:42,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:26:42,664 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:26:42,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:26:42,666 INFO L85 PathProgramCache]: Analyzing trace with hash 452402173, now seen corresponding path program 1 times [2022-07-22 14:26:42,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:26:42,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079078590] [2022-07-22 14:26:42,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:26:42,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:26:42,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:26:42,668 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:26:42,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 14:26:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:26:44,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 14:26:44,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:26:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:26:45,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:26:45,211 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:26:45,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079078590] [2022-07-22 14:26:45,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079078590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:26:45,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:26:45,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 14:26:45,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509811743] [2022-07-22 14:26:45,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:26:45,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 14:26:45,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:26:45,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 14:26:45,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 14:26:45,212 INFO L87 Difference]: Start difference. First operand 32 states and 34 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) [2022-07-22 14:26:47,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:26:49,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:26:52,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-22 14:26:52,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:26:52,005 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2022-07-22 14:26:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 14:26:52,084 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 [2022-07-22 14:26:52,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:26:52,085 INFO L225 Difference]: With dead ends: 39 [2022-07-22 14:26:52,085 INFO L226 Difference]: Without dead ends: 25 [2022-07-22 14:26:52,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:26:52,085 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-22 14:26:52,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 65 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2022-07-22 14:26:52,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-07-22 14:26:52,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-07-22 14:26:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 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) [2022-07-22 14:26:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2022-07-22 14:26:52,090 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 22 [2022-07-22 14:26:52,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:26:52,090 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2022-07-22 14:26:52,090 INFO L496 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) [2022-07-22 14:26:52,090 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2022-07-22 14:26:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-22 14:26:52,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:26:52,090 INFO L195 NwaCegarLoop]: 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] [2022-07-22 14:26:52,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 14:26:52,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:26:52,296 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:26:52,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:26:52,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1043993930, now seen corresponding path program 1 times [2022-07-22 14:26:52,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:26:52,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095712417] [2022-07-22 14:26:52,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:26:52,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:26:52,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:26:52,298 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:26:52,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 14:26:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:26:53,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-22 14:26:53,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:26:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:26:54,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:26:54,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:26:54,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095712417] [2022-07-22 14:26:54,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095712417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:26:54,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:26:54,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 14:26:54,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382902448] [2022-07-22 14:26:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:26:54,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 14:26:54,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:26:54,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 14:26:54,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-22 14:26:54,912 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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) [2022-07-22 14:26:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:26:56,392 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2022-07-22 14:26:56,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 14:26:56,393 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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 24 [2022-07-22 14:26:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:26:56,393 INFO L225 Difference]: With dead ends: 25 [2022-07-22 14:26:56,393 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 14:26:56,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2022-07-22 14:26:56,395 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 24 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 14:26:56,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 101 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 14:26:56,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 14:26:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 14:26:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 14:26:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 14:26:56,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-07-22 14:26:56,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:26:56,397 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 14:26:56,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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) [2022-07-22 14:26:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 14:26:56,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 14:26:56,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:26:56,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 14:26:56,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:26:56,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 14:26:57,374 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 562 566) no Hoare annotation was computed. [2022-07-22 14:26:57,374 INFO L902 garLoopResultBuilder]: At program point L562-2(lines 562 566) the Hoare annotation is: true [2022-07-22 14:26:57,374 INFO L899 garLoopResultBuilder]: For program point L562-3(lines 559 567) no Hoare annotation was computed. [2022-07-22 14:26:57,374 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 571) no Hoare annotation was computed. [2022-07-22 14:26:57,374 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 551) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L548-2(lines 548 551) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L902 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 539 572) the Hoare annotation is: true [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L902 garLoopResultBuilder]: At program point L542-2(lines 542 546) the Hoare annotation is: true [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L542-3(lines 542 546) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 539 572) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 567) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 550) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 539 572) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 70 88) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L77-1(lines 70 88) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 70 88) the Hoare annotation is: true [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 86) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 70 88) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2022-07-22 14:26:57,375 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 72 76) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L902 garLoopResultBuilder]: At program point L72-2(lines 72 76) the Hoare annotation is: true [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 70 88) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 512 532) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L521-2(lines 521 524) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L895 garLoopResultBuilder]: At program point L515-2(lines 515 519) the Hoare annotation is: (= __kernel_sinf_~x |__kernel_sinf_#in~x|) [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L902 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 512 532) the Hoare annotation is: true [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 531) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 523) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 512 532) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L300-2(lines 300 304) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L895 garLoopResultBuilder]: At program point L300-3(lines 300 304) the Hoare annotation is: false [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L300-4(lines 300 304) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 613) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-07-22 14:26:57,376 INFO L899 garLoopResultBuilder]: For program point L301-2(lines 301 302) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L895 garLoopResultBuilder]: At program point L301-3(lines 301 302) the Hoare annotation is: false [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L301-4(lines 301 302) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L335-2(lines 335 336) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L895 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L335-4(lines 306 346) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L902 garLoopResultBuilder]: At program point L633(lines 616 634) the Hoare annotation is: true [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L895 garLoopResultBuilder]: At program point L271(lines 178 348) the Hoare annotation is: false [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L205-2(lines 205 209) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L895 garLoopResultBuilder]: At program point L205-3(lines 205 209) the Hoare annotation is: false [2022-07-22 14:26:57,377 INFO L895 garLoopResultBuilder]: At program point L205-4(lines 205 209) the Hoare annotation is: false [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L437-2(lines 437 469) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 226 254) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 612) no Hoare annotation was computed. [2022-07-22 14:26:57,377 INFO L895 garLoopResultBuilder]: At program point L504(lines 389 505) the Hoare annotation is: false [2022-07-22 14:26:57,377 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 476) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L895 garLoopResultBuilder]: At program point L306(lines 306 346) the Hoare annotation is: false [2022-07-22 14:26:57,378 INFO L895 garLoopResultBuilder]: At program point L240(lines 240 247) the Hoare annotation is: false [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 430) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: false [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 429) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L895 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L309-4(lines 306 346) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 48) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L895 garLoopResultBuilder]: At program point L607(line 607) the Hoare annotation is: false [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L607-1(line 607) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 416) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 416) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2022-07-22 14:26:57,378 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 443 447) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 443 447) the Hoare annotation is: false [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 281) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L895 garLoopResultBuilder]: At program point L278-3(lines 278 281) the Hoare annotation is: false [2022-07-22 14:26:57,379 INFO L895 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: false [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L609-1(line 609) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L313-2(line 313) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 148 152) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L895 garLoopResultBuilder]: At program point L148-2(lines 148 152) the Hoare annotation is: false [2022-07-22 14:26:57,379 INFO L895 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: false [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L611-1(line 611) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 482) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L895 garLoopResultBuilder]: At program point L347(lines 177 348) the Hoare annotation is: false [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L314(line 314) no Hoare annotation was computed. [2022-07-22 14:26:57,379 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 54) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: false [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L895 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: false [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L283-1(line 283) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 316 317) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L895 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L316-4(lines 306 346) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 468) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 437 469) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 291) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 252) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L895 garLoopResultBuilder]: At program point L284-2(lines 275 292) the Hoare annotation is: false [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L318-1(line 318) no Hoare annotation was computed. [2022-07-22 14:26:57,380 INFO L895 garLoopResultBuilder]: At program point L252(line 252) the Hoare annotation is: false [2022-07-22 14:26:57,380 INFO L899 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 157) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 146 159) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L153-2(lines 153 157) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 188) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L187-2(lines 187 188) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L895 garLoopResultBuilder]: At program point L55(lines 15 56) the Hoare annotation is: false [2022-07-22 14:26:57,381 INFO L895 garLoopResultBuilder]: At program point L584(lines 584 614) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L895 garLoopResultBuilder]: At program point L485-2(lines 485 489) the Hoare annotation is: false [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L485-3(lines 485 489) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L320-2(lines 320 321) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 224) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L895 garLoopResultBuilder]: At program point L320-3(lines 320 321) the Hoare annotation is: false [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L320-4(lines 306 346) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 224) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 178 348) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L223-2(lines 178 348) no Hoare annotation was computed. [2022-07-22 14:26:57,381 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 49) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 459) the Hoare annotation is: false [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L455-3(lines 455 459) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L895 garLoopResultBuilder]: At program point L158(lines 146 159) the Hoare annotation is: false [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 43) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L588-1(lines 588 592) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L895 garLoopResultBuilder]: At program point L588-2(lines 588 592) the Hoare annotation is: (= |ULTIMATE.start_sin_float_~x#1| (fp.neg (_ +zero 8 24))) [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L588-3(lines 588 592) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L324(line 324) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L258-2(lines 258 259) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L895 garLoopResultBuilder]: At program point L258-3(lines 258 259) the Hoare annotation is: false [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L258-4(lines 256 273) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 33) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L490-2(lines 490 493) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L895 garLoopResultBuilder]: At program point L490-3(lines 490 493) the Hoare annotation is: false [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L490-4(lines 490 493) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L226(lines 178 348) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L895 garLoopResultBuilder]: At program point L325-3(lines 325 329) the Hoare annotation is: false [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L325-4(lines 325 329) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 194) no Hoare annotation was computed. [2022-07-22 14:26:57,382 INFO L895 garLoopResultBuilder]: At program point L193-3(lines 193 194) the Hoare annotation is: false [2022-07-22 14:26:57,383 INFO L899 garLoopResultBuilder]: For program point L193-4(lines 193 194) no Hoare annotation was computed. [2022-07-22 14:26:57,383 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 14:26:57,383 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 32) no Hoare annotation was computed. [2022-07-22 14:26:57,383 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2022-07-22 14:26:57,383 INFO L895 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short134#1| (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2022-07-22 14:26:57,383 INFO L899 garLoopResultBuilder]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2022-07-22 14:26:57,387 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-22 14:26:57,387 INFO L899 garLoopResultBuilder]: For program point L194-2(line 194) no Hoare annotation was computed. [2022-07-22 14:26:57,387 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2022-07-22 14:26:57,387 INFO L899 garLoopResultBuilder]: For program point L261-1(lines 261 262) no Hoare annotation was computed. [2022-07-22 14:26:57,399 INFO L899 garLoopResultBuilder]: For program point L261-3(lines 261 262) no Hoare annotation was computed. [2022-07-22 14:26:57,399 INFO L895 garLoopResultBuilder]: At program point L261-4(lines 261 262) the Hoare annotation is: false [2022-07-22 14:26:57,400 INFO L899 garLoopResultBuilder]: For program point L261-5(lines 261 262) no Hoare annotation was computed. [2022-07-22 14:26:57,400 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2022-07-22 14:26:57,400 INFO L899 garLoopResultBuilder]: For program point L295-2(lines 295 298) no Hoare annotation was computed. [2022-07-22 14:26:57,400 INFO L895 garLoopResultBuilder]: At program point L295-3(lines 295 298) the Hoare annotation is: false [2022-07-22 14:26:57,400 INFO L899 garLoopResultBuilder]: For program point L229-2(lines 229 238) no Hoare annotation was computed. [2022-07-22 14:26:57,400 INFO L899 garLoopResultBuilder]: For program point L295-4(lines 295 298) no Hoare annotation was computed. [2022-07-22 14:26:57,400 INFO L899 garLoopResultBuilder]: For program point L196-2(lines 196 200) no Hoare annotation was computed. [2022-07-22 14:26:57,400 INFO L895 garLoopResultBuilder]: At program point L229-3(lines 229 238) the Hoare annotation is: false [2022-07-22 14:26:57,401 INFO L895 garLoopResultBuilder]: At program point L196-3(lines 196 200) the Hoare annotation is: false [2022-07-22 14:26:57,401 INFO L899 garLoopResultBuilder]: For program point L229-4(lines 226 254) no Hoare annotation was computed. [2022-07-22 14:26:57,401 INFO L899 garLoopResultBuilder]: For program point L196-4(lines 196 200) no Hoare annotation was computed. [2022-07-22 14:26:57,401 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2022-07-22 14:26:57,401 INFO L899 garLoopResultBuilder]: For program point L395-1(lines 395 399) no Hoare annotation was computed. [2022-07-22 14:26:57,401 INFO L895 garLoopResultBuilder]: At program point L395-2(lines 395 399) the Hoare annotation is: false [2022-07-22 14:26:57,401 INFO L899 garLoopResultBuilder]: For program point L395-3(lines 395 399) no Hoare annotation was computed. [2022-07-22 14:26:57,401 INFO L899 garLoopResultBuilder]: For program point L197-2(lines 197 198) no Hoare annotation was computed. [2022-07-22 14:26:57,401 INFO L895 garLoopResultBuilder]: At program point L197-3(lines 197 198) the Hoare annotation is: false [2022-07-22 14:26:57,402 INFO L899 garLoopResultBuilder]: For program point L197-4(lines 197 198) no Hoare annotation was computed. [2022-07-22 14:26:57,402 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 14:26:57,402 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2022-07-22 14:26:57,402 INFO L899 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2022-07-22 14:26:57,402 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2022-07-22 14:26:57,402 INFO L895 garLoopResultBuilder]: At program point L330-3(lines 330 334) the Hoare annotation is: false [2022-07-22 14:26:57,402 INFO L899 garLoopResultBuilder]: For program point L264-2(lines 264 269) no Hoare annotation was computed. [2022-07-22 14:26:57,402 INFO L899 garLoopResultBuilder]: For program point L330-4(lines 330 334) no Hoare annotation was computed. [2022-07-22 14:26:57,402 INFO L895 garLoopResultBuilder]: At program point L264-3(lines 264 269) the Hoare annotation is: false [2022-07-22 14:26:57,403 INFO L899 garLoopResultBuilder]: For program point L264-4(lines 264 269) no Hoare annotation was computed. [2022-07-22 14:26:57,403 INFO L899 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2022-07-22 14:26:57,403 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 613) no Hoare annotation was computed. [2022-07-22 14:26:57,403 INFO L899 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2022-07-22 14:26:57,403 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 496 497) no Hoare annotation was computed. [2022-07-22 14:26:57,403 INFO L895 garLoopResultBuilder]: At program point L496-3(lines 496 497) the Hoare annotation is: false [2022-07-22 14:26:57,403 INFO L899 garLoopResultBuilder]: For program point L496-4(lines 496 497) no Hoare annotation was computed. [2022-07-22 14:26:57,403 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 235) no Hoare annotation was computed. [2022-07-22 14:26:57,404 INFO L895 garLoopResultBuilder]: At program point L67(lines 58 68) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short134#1| (= |ULTIMATE.start_sin_float_#res#1| .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32)) (= .cse0 |ULTIMATE.start___signbit_float_~x#1|) (= .cse0 (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|))) (= |ULTIMATE.start_main_~res~0#1| .cse0) (= |ULTIMATE.start_sin_float_~x#1| .cse0))) [2022-07-22 14:26:57,404 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2022-07-22 14:26:57,404 INFO L895 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: (= |ULTIMATE.start_sin_float_~x#1| (fp.neg (_ +zero 8 24))) [2022-07-22 14:26:57,404 INFO L899 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2022-07-22 14:26:57,404 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 477) no Hoare annotation was computed. [2022-07-22 14:26:57,404 INFO L899 garLoopResultBuilder]: For program point L266-2(lines 266 267) no Hoare annotation was computed. [2022-07-22 14:26:57,404 INFO L895 garLoopResultBuilder]: At program point L266-3(lines 266 267) the Hoare annotation is: false [2022-07-22 14:26:57,404 INFO L899 garLoopResultBuilder]: For program point L266-4(lines 266 267) no Hoare annotation was computed. [2022-07-22 14:26:57,404 INFO L902 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2022-07-22 14:26:57,405 INFO L899 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2022-07-22 14:26:57,405 INFO L902 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: true [2022-07-22 14:26:57,405 INFO L899 garLoopResultBuilder]: For program point L135-1(line 135) no Hoare annotation was computed. [2022-07-22 14:26:57,405 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 136) no Hoare annotation was computed. [2022-07-22 14:26:57,405 INFO L899 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2022-07-22 14:26:57,405 INFO L902 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: true [2022-07-22 14:26:57,405 INFO L899 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2022-07-22 14:26:57,405 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 130) no Hoare annotation was computed. [2022-07-22 14:26:57,405 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2022-07-22 14:26:57,405 INFO L902 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: true [2022-07-22 14:26:57,406 INFO L899 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 94 144) no Hoare annotation was computed. [2022-07-22 14:26:57,406 INFO L899 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2022-07-22 14:26:57,406 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2022-07-22 14:26:57,406 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 135) no Hoare annotation was computed. [2022-07-22 14:26:57,406 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2022-07-22 14:26:57,406 INFO L902 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2022-07-22 14:26:57,406 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2022-07-22 14:26:57,406 INFO L899 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 94 144) no Hoare annotation was computed. [2022-07-22 14:26:57,406 INFO L902 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 94 144) the Hoare annotation is: true [2022-07-22 14:26:57,407 INFO L902 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: true [2022-07-22 14:26:57,407 INFO L899 garLoopResultBuilder]: For program point L133-1(line 133) no Hoare annotation was computed. [2022-07-22 14:26:57,407 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2022-07-22 14:26:57,407 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-07-22 14:26:57,407 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 119) no Hoare annotation was computed. [2022-07-22 14:26:57,407 INFO L899 garLoopResultBuilder]: For program point L109-2(lines 109 119) no Hoare annotation was computed. [2022-07-22 14:26:57,407 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 106) no Hoare annotation was computed. [2022-07-22 14:26:57,407 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2022-07-22 14:26:57,407 INFO L902 garLoopResultBuilder]: At program point L138-2(lines 138 142) the Hoare annotation is: true [2022-07-22 14:26:57,408 INFO L899 garLoopResultBuilder]: For program point L138-3(lines 138 142) no Hoare annotation was computed. [2022-07-22 14:26:57,410 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-07-22 14:26:57,412 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:26:57,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:26:57 BoogieIcfgContainer [2022-07-22 14:26:57,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:26:57,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:26:57,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:26:57,455 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:26:57,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:26:20" (3/4) ... [2022-07-22 14:26:57,458 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 14:26:57,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2022-07-22 14:26:57,472 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-07-22 14:26:57,473 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2022-07-22 14:26:57,473 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2022-07-22 14:26:57,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2022-07-22 14:26:57,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-07-22 14:26:57,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 14:26:57,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 14:26:57,539 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2022-07-22 14:26:57,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-22 14:26:57,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-22 14:26:57,546 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2022-07-22 14:26:57,678 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 14:26:57,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:26:57,678 INFO L158 Benchmark]: Toolchain (without parser) took 70871.70ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 26.1MB in the beginning and 25.2MB in the end (delta: 904.6kB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-07-22 14:26:57,679 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:26:57,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.35ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 25.9MB in the beginning and 41.7MB in the end (delta: -15.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-07-22 14:26:57,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.50ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 34.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 14:26:57,680 INFO L158 Benchmark]: Boogie Preprocessor took 108.85ms. Allocated memory is still 65.0MB. Free memory was 34.3MB in the beginning and 41.6MB in the end (delta: -7.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-07-22 14:26:57,680 INFO L158 Benchmark]: RCFGBuilder took 33109.50ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 22.1MB in the end (delta: 19.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-07-22 14:26:57,680 INFO L158 Benchmark]: TraceAbstraction took 36937.47ms. Allocated memory is still 65.0MB. Free memory was 21.5MB in the beginning and 31.4MB in the end (delta: -9.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-07-22 14:26:57,681 INFO L158 Benchmark]: Witness Printer took 223.22ms. Allocated memory is still 65.0MB. Free memory was 31.4MB in the beginning and 25.2MB in the end (delta: 6.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-07-22 14:26:57,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.35ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 25.9MB in the beginning and 41.7MB in the end (delta: -15.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.50ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 34.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.85ms. Allocated memory is still 65.0MB. Free memory was 34.3MB in the beginning and 41.6MB in the end (delta: -7.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * RCFGBuilder took 33109.50ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 22.1MB in the end (delta: 19.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 36937.47ms. Allocated memory is still 65.0MB. Free memory was 21.5MB in the beginning and 31.4MB in the end (delta: -9.9MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 223.22ms. Allocated memory is still 65.0MB. Free memory was 31.4MB in the beginning and 25.2MB in the end (delta: 6.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 629]: 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, 249 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 18.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 860 SdHoareTripleChecker+Invalid, 18.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 17 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 183 IncrementalHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 457 mSDtfsCounter, 183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 148 PreInvPairs, 155 NumberOfFragments, 126 HoareAnnotationTreeSize, 148 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 9.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 102 ConstructedInterpolants, 6 QuantifiedInterpolants, 392 SizeOfPredicates, 33 NumberOfNonLiveVariables, 2365 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == 1bv32) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 14:26:57,805 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 Writing output log to file Ultimate.log Result: TRUE