./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0310.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0310.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 ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:25:02,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:25:02,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:25:02,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:25:02,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:25:02,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:25:02,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:25:02,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:25:02,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:25:02,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:25:02,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:25:02,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:25:02,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:25:02,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:25:02,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:25:02,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:25:02,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:25:02,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:25:02,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:25:02,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:25:02,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:25:02,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:25:02,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:25:02,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:25:02,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:25:02,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:25:02,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:25:02,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:25:02,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:25:02,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:25:02,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:25:02,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:25:02,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:25:02,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:25:02,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:25:02,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:25:02,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:25:02,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:25:02,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:25:02,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:25:02,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:25:02,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 07:25:02,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:25:02,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:25:02,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:25:02,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:25:02,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:25:02,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:25:02,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:25:02,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:25:02,733 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:25:02,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:25:02,733 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:25:02,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 07:25:02,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:25:02,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:25:02,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:25:02,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:25:02,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:25:02,735 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:25:02,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:25:02,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:25:02,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:25:02,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:25:02,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:25:02,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:25:02,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:25:02,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:25:02,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:25:02,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:25:02,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 07:25:02,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 07:25:02,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:25:02,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:25:02,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:25:02,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:25:02,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2021-12-17 07:25:02,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:25:02,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:25:02,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:25:02,930 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:25:02,931 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:25:02,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-12-17 07:25:02,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029a707fe/c4fa14b4a0fc4fd58c14969c71caf9a7/FLAGc762b27b5 [2021-12-17 07:25:03,361 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:25:03,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-12-17 07:25:03,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029a707fe/c4fa14b4a0fc4fd58c14969c71caf9a7/FLAGc762b27b5 [2021-12-17 07:25:03,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029a707fe/c4fa14b4a0fc4fd58c14969c71caf9a7 [2021-12-17 07:25:03,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:25:03,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:25:03,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:25:03,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:25:03,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:25:03,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:25:03" (1/1) ... [2021-12-17 07:25:03,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725da32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:03, skipping insertion in model container [2021-12-17 07:25:03,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:25:03" (1/1) ... [2021-12-17 07:25:03,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:25:03,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:25:04,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-12-17 07:25:04,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:25:04,049 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:25:04,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-12-17 07:25:04,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:25:04,130 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:25:04,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04 WrapperNode [2021-12-17 07:25:04,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:25:04,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:25:04,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:25:04,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:25:04,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,197 INFO L137 Inliner]: procedures = 25, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1036 [2021-12-17 07:25:04,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:25:04,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:25:04,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:25:04,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:25:04,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:25:04,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:25:04,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:25:04,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:25:04,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (1/1) ... [2021-12-17 07:25:04,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:25:04,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:25:04,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 07:25:04,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 07:25:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:25:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-17 07:25:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-17 07:25:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-12-17 07:25:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-12-17 07:25:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:25:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-17 07:25:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 07:25:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-17 07:25:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 07:25:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-17 07:25:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-12-17 07:25:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-12-17 07:25:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-17 07:25:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-17 07:25:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 07:25:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:25:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:25:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:25:04,472 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:25:04,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:25:05,006 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:25:05,019 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:25:05,019 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-17 07:25:05,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:25:05 BoogieIcfgContainer [2021-12-17 07:25:05,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:25:05,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:25:05,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:25:05,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:25:05,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:25:03" (1/3) ... [2021-12-17 07:25:05,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da740f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:25:05, skipping insertion in model container [2021-12-17 07:25:05,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:04" (2/3) ... [2021-12-17 07:25:05,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da740f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:25:05, skipping insertion in model container [2021-12-17 07:25:05,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:25:05" (3/3) ... [2021-12-17 07:25:05,030 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2021-12-17 07:25:05,034 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:25:05,034 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:25:05,072 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:25:05,077 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 07:25:05,077 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:25:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 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) [2021-12-17 07:25:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-17 07:25:05,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:25:05,098 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:25:05,098 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:25:05,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:25:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-12-17 07:25:05,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:25:05,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655489960] [2021-12-17 07:25:05,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:25:05,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:25:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:25:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:25:05,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 07:25:05,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655489960] [2021-12-17 07:25:05,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655489960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:25:05,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:25:05,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:25:05,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45319635] [2021-12-17 07:25:05,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:25:05,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:25:05,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 07:25:05,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:25:05,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:25:05,353 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 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) [2021-12-17 07:25:05,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:25:05,414 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-12-17 07:25:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:25:05,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-17 07:25:05,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:25:05,431 INFO L225 Difference]: With dead ends: 512 [2021-12-17 07:25:05,431 INFO L226 Difference]: Without dead ends: 254 [2021-12-17 07:25:05,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:25:05,441 INFO L933 BasicCegarLoop]: 359 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, 359 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:25:05,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:25:05,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-17 07:25:05,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-12-17 07:25:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 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) [2021-12-17 07:25:05,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-12-17 07:25:05,505 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-12-17 07:25:05,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:25:05,505 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-12-17 07:25:05,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:25:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-12-17 07:25:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:25:05,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:25:05,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:25:05,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 07:25:05,508 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:25:05,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:25:05,511 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-12-17 07:25:05,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:25:05,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278046239] [2021-12-17 07:25:05,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:25:05,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:25:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:25:05,619 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 07:25:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:25:05,708 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 07:25:05,709 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 07:25:05,710 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:25:05,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 07:25:05,715 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-17 07:25:05,717 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:25:05,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:25:05 BoogieIcfgContainer [2021-12-17 07:25:05,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:25:05,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:25:05,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:25:05,776 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:25:05,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:25:05" (3/4) ... [2021-12-17 07:25:05,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 07:25:05,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:25:05,780 INFO L158 Benchmark]: Toolchain (without parser) took 2006.75ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 117.0MB in the beginning and 133.9MB in the end (delta: -16.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2021-12-17 07:25:05,780 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 41.6MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:25:05,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.60ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 108.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 07:25:05,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.91ms. Allocated memory is still 148.9MB. Free memory was 108.4MB in the beginning and 102.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:25:05,787 INFO L158 Benchmark]: Boogie Preprocessor took 76.15ms. Allocated memory is still 148.9MB. Free memory was 102.1MB in the beginning and 95.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:25:05,787 INFO L158 Benchmark]: RCFGBuilder took 746.96ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 83.5MB in the end (delta: 12.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-12-17 07:25:05,788 INFO L158 Benchmark]: TraceAbstraction took 750.14ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 82.9MB in the beginning and 133.9MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:25:05,788 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 199.2MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:25:05,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 41.6MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.60ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 108.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.91ms. Allocated memory is still 148.9MB. Free memory was 108.4MB in the beginning and 102.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.15ms. Allocated memory is still 148.9MB. Free memory was 102.1MB in the beginning and 95.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 746.96ms. Allocated memory is still 148.9MB. Free memory was 95.8MB in the beginning and 83.5MB in the end (delta: 12.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 750.14ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 82.9MB in the beginning and 133.9MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 199.2MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 647]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 532, overapproximation of someBinaryArithmeticDOUBLEoperation at line 618, overapproximation of bitwiseAnd at line 613, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L366-L377] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L379-L386] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, zero_krempio=0, zero_rempio=0] [L642] double x = 0.0 / 0.0; [L643] CALL, EXPR cos_double(x) [L605] double y[2], z = 0.0; [L606] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L608] ieee_double_shape_type gh_u; [L609] gh_u.value = (x) [L610] EXPR gh_u.parts.msw [L610] (ix) = gh_u.parts.msw [L613] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L614] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L617] COND TRUE ix >= 0x7ff00000 [L618] return x - x; [L618] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L643] RET, EXPR cos_double(x) [L643] double res = cos_double(x); [L646] CALL, EXPR isnan_double(res) [L88] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \result=0, C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] [L646] RET, EXPR isnan_double(res) [L646] COND TRUE !isnan_double(res) [L647] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 359 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, 359 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=257occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-17 07:25:05,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0310.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 ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:25:07,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:25:07,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:25:07,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:25:07,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:25:07,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:25:07,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:25:07,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:25:07,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:25:07,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:25:07,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:25:07,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:25:07,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:25:07,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:25:07,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:25:07,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:25:07,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:25:07,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:25:07,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:25:07,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:25:07,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:25:07,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:25:07,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:25:07,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:25:07,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:25:07,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:25:07,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:25:07,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:25:07,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:25:07,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:25:07,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:25:07,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:25:07,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:25:07,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:25:07,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:25:07,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:25:07,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:25:07,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:25:07,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:25:07,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:25:07,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:25:07,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 07:25:07,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:25:07,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:25:07,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:25:07,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:25:07,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:25:07,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:25:07,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:25:07,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:25:07,707 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:25:07,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:25:07,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:25:07,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:25:07,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:25:07,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:25:07,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:25:07,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:25:07,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 07:25:07,709 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 07:25:07,709 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 07:25:07,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:25:07,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:25:07,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:25:07,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:25:07,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:25:07,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:25:07,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:25:07,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:25:07,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:25:07,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:25:07,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:25:07,711 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 07:25:07,711 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 07:25:07,712 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:25:07,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:25:07,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:25:07,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:25:07,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 07:25:07,712 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2021-12-17 07:25:07,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:25:08,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:25:08,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:25:08,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:25:08,009 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:25:08,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-12-17 07:25:08,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dc56eb2/e68fd21b4d5941b0951b67f763f2865c/FLAG5d238d8db [2021-12-17 07:25:08,540 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:25:08,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2021-12-17 07:25:08,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dc56eb2/e68fd21b4d5941b0951b67f763f2865c/FLAG5d238d8db [2021-12-17 07:25:08,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7dc56eb2/e68fd21b4d5941b0951b67f763f2865c [2021-12-17 07:25:08,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:25:08,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:25:08,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:25:08,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:25:08,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:25:08,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:25:08" (1/1) ... [2021-12-17 07:25:08,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6140d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:08, skipping insertion in model container [2021-12-17 07:25:08,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:25:08" (1/1) ... [2021-12-17 07:25:08,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:25:08,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:25:08,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-12-17 07:25:08,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:25:08,917 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:25:09,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2021-12-17 07:25:09,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:25:09,078 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:25:09,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09 WrapperNode [2021-12-17 07:25:09,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:25:09,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:25:09,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:25:09,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:25:09,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,176 INFO L137 Inliner]: procedures = 29, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1034 [2021-12-17 07:25:09,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:25:09,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:25:09,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:25:09,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:25:09,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:25:09,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:25:09,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:25:09,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:25:09,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (1/1) ... [2021-12-17 07:25:09,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:25:09,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:25:09,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 07:25:09,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 07:25:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:25:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-17 07:25:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-12-17 07:25:09,344 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-12-17 07:25:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-17 07:25:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 07:25:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-17 07:25:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2021-12-17 07:25:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2021-12-17 07:25:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:25:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-17 07:25:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 07:25:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2021-12-17 07:25:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2021-12-17 07:25:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-17 07:25:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-17 07:25:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:25:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:25:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 07:25:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:25:09,498 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:25:09,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:26:04,549 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:26:04,556 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:26:04,557 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-12-17 07:26:04,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:26:04 BoogieIcfgContainer [2021-12-17 07:26:04,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:26:04,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:26:04,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:26:04,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:26:04,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:25:08" (1/3) ... [2021-12-17 07:26:04,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b119f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:26:04, skipping insertion in model container [2021-12-17 07:26:04,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:25:09" (2/3) ... [2021-12-17 07:26:04,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b119f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:26:04, skipping insertion in model container [2021-12-17 07:26:04,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:26:04" (3/3) ... [2021-12-17 07:26:04,565 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2021-12-17 07:26:04,570 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:26:04,571 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:26:04,617 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:26:04,622 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 07:26:04,623 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:26:04,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 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) [2021-12-17 07:26:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-17 07:26:04,642 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:26:04,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:26:04,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:26:04,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:26:04,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1677747797, now seen corresponding path program 1 times [2021-12-17 07:26:04,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:26:04,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193195810] [2021-12-17 07:26:04,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:26:04,665 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:26:04,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:26:04,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:26:04,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 07:26:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:26:05,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-17 07:26:05,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:26:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:26:05,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:26:05,156 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:26:05,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193195810] [2021-12-17 07:26:05,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193195810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:26:05,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:26:05,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:26:05,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903749188] [2021-12-17 07:26:05,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:26:05,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:26:05,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:26:05,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:26:05,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:26:05,191 INFO L87 Difference]: Start difference. First operand has 257 states, 239 states have (on average 1.6694560669456067) internal successors, (399), 240 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) [2021-12-17 07:26:05,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:26:05,244 INFO L93 Difference]: Finished difference Result 512 states and 856 transitions. [2021-12-17 07:26:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:26:05,245 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-17 07:26:05,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:26:05,252 INFO L225 Difference]: With dead ends: 512 [2021-12-17 07:26:05,252 INFO L226 Difference]: Without dead ends: 254 [2021-12-17 07:26:05,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:26:05,258 INFO L933 BasicCegarLoop]: 359 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, 359 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:26:05,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:26:05,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-12-17 07:26:05,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-12-17 07:26:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 237 states have (on average 1.40084388185654) internal successors, (332), 237 states have internal predecessors, (332), 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) [2021-12-17 07:26:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 356 transitions. [2021-12-17 07:26:05,296 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 356 transitions. Word has length 10 [2021-12-17 07:26:05,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:26:05,297 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 356 transitions. [2021-12-17 07:26:05,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:26:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 356 transitions. [2021-12-17 07:26:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:26:05,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:26:05,298 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:26:05,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-17 07:26:05,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:26:05,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:26:05,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:26:05,515 INFO L85 PathProgramCache]: Analyzing trace with hash 750166241, now seen corresponding path program 1 times [2021-12-17 07:26:05,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:26:05,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748047384] [2021-12-17 07:26:05,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:26:05,516 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:26:05,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:26:05,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:26:05,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 07:26:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:26:05,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 07:26:05,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:26:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:26:07,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:26:07,093 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:26:07,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748047384] [2021-12-17 07:26:07,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748047384] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:26:07,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:26:07,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:26:07,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701852923] [2021-12-17 07:26:07,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:26:07,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 07:26:07,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:26:07,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 07:26:07,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:26:07,095 INFO L87 Difference]: Start difference. First operand 254 states and 356 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:26:11,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:14,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:16,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:18,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:20,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:23,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:25,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:29,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:32,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:34,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:37,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:39,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:42,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:44,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:47,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:49,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:50,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:52,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:55,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:26:58,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:02,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:05,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:08,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:11,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:13,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:16,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:18,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:21,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:23,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:23,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:27:23,289 INFO L93 Difference]: Finished difference Result 379 states and 527 transitions. [2021-12-17 07:27:23,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 07:27:23,326 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-17 07:27:23,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:27:23,329 INFO L225 Difference]: With dead ends: 379 [2021-12-17 07:27:23,329 INFO L226 Difference]: Without dead ends: 374 [2021-12-17 07:27:23,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-17 07:27:23,330 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 307 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 12 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.5s IncrementalHoareTripleChecker+Time [2021-12-17 07:27:23,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 1600 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 162 Invalid, 25 Unknown, 0 Unchecked, 75.5s Time] [2021-12-17 07:27:23,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-12-17 07:27:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 304. [2021-12-17 07:27:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 281 states have (on average 1.387900355871886) internal successors, (390), 284 states have internal predecessors, (390), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (17), 13 states have call predecessors, (17), 16 states have call successors, (17) [2021-12-17 07:27:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 423 transitions. [2021-12-17 07:27:23,346 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 423 transitions. Word has length 11 [2021-12-17 07:27:23,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:27:23,347 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 423 transitions. [2021-12-17 07:27:23,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 423 transitions. [2021-12-17 07:27:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-17 07:27:23,348 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:27:23,348 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:27:23,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-17 07:27:23,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:27:23,562 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:27:23,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:27:23,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1679552789, now seen corresponding path program 1 times [2021-12-17 07:27:23,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:27:23,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199493791] [2021-12-17 07:27:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:27:23,563 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:27:23,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:27:23,566 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:27:23,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 07:27:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:27:23,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:27:23,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:27:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:27:26,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:27:26,897 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:27:26,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199493791] [2021-12-17 07:27:26,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199493791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:27:26,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:27:26,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:27:26,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133683300] [2021-12-17 07:27:26,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:27:26,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:27:26,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:27:26,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:27:26,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-17 07:27:26,899 INFO L87 Difference]: Start difference. First operand 304 states and 423 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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) [2021-12-17 07:27:26,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:27:26,906 INFO L93 Difference]: Finished difference Result 323 states and 444 transitions. [2021-12-17 07:27:26,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:27:26,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 [2021-12-17 07:27:26,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:27:26,908 INFO L225 Difference]: With dead ends: 323 [2021-12-17 07:27:26,908 INFO L226 Difference]: Without dead ends: 302 [2021-12-17 07:27:26,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-17 07:27:26,909 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:27:26,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1385 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-12-17 07:27:26,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-12-17 07:27:26,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2021-12-17 07:27:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 280 states have (on average 1.3857142857142857) internal successors, (388), 283 states have internal predecessors, (388), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2021-12-17 07:27:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 419 transitions. [2021-12-17 07:27:26,921 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 419 transitions. Word has length 20 [2021-12-17 07:27:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:27:26,921 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 419 transitions. [2021-12-17 07:27:26,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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) [2021-12-17 07:27:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 419 transitions. [2021-12-17 07:27:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-17 07:27:26,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:27:26,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:27:26,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-17 07:27:27,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:27:27,143 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:27:27,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:27:27,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1493280314, now seen corresponding path program 1 times [2021-12-17 07:27:27,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:27:27,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120774863] [2021-12-17 07:27:27,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:27:27,144 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:27:27,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:27:27,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:27:27,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-17 07:27:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:27:27,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-17 07:27:27,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:27:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:27:28,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:27:28,947 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:27:28,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120774863] [2021-12-17 07:27:28,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120774863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:27:28,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:27:28,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:27:28,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142340107] [2021-12-17 07:27:28,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:27:28,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 07:27:28,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:27:28,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 07:27:28,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:27:28,949 INFO L87 Difference]: Start difference. First operand 302 states and 419 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:28,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:27:28,957 INFO L93 Difference]: Finished difference Result 345 states and 474 transitions. [2021-12-17 07:27:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:27:28,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2021-12-17 07:27:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:27:28,959 INFO L225 Difference]: With dead ends: 345 [2021-12-17 07:27:28,959 INFO L226 Difference]: Without dead ends: 302 [2021-12-17 07:27:28,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:27:28,960 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:27:28,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1695 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 30 Unchecked, 0.0s Time] [2021-12-17 07:27:28,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-12-17 07:27:28,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2021-12-17 07:27:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 280 states have (on average 1.3821428571428571) internal successors, (387), 283 states have internal predecessors, (387), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2021-12-17 07:27:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 418 transitions. [2021-12-17 07:27:28,971 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 418 transitions. Word has length 21 [2021-12-17 07:27:28,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:27:28,971 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 418 transitions. [2021-12-17 07:27:28,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 418 transitions. [2021-12-17 07:27:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 07:27:28,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:27:28,972 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:27:28,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-17 07:27:29,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:27:29,173 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:27:29,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:27:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash -818154427, now seen corresponding path program 1 times [2021-12-17 07:27:29,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:27:29,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715945177] [2021-12-17 07:27:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:27:29,174 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:27:29,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:27:29,175 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) [2021-12-17 07:27:29,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-17 07:27:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:27:29,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 07:27:29,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:27:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:27:29,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:27:29,916 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:27:29,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715945177] [2021-12-17 07:27:29,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715945177] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:27:29,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:27:29,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 07:27:29,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467584707] [2021-12-17 07:27:29,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:27:29,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 07:27:29,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:27:29,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 07:27:29,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 07:27:29,917 INFO L87 Difference]: Start difference. First operand 302 states and 418 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:30,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:27:30,409 INFO L93 Difference]: Finished difference Result 349 states and 476 transitions. [2021-12-17 07:27:30,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:27:30,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2021-12-17 07:27:30,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:27:30,411 INFO L225 Difference]: With dead ends: 349 [2021-12-17 07:27:30,412 INFO L226 Difference]: Without dead ends: 310 [2021-12-17 07:27:30,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:27:30,413 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 17 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 07:27:30,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 1016 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 07:27:30,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-12-17 07:27:30,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 303. [2021-12-17 07:27:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 281 states have (on average 1.3772241992882561) internal successors, (387), 284 states have internal predecessors, (387), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2021-12-17 07:27:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 418 transitions. [2021-12-17 07:27:30,430 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 418 transitions. Word has length 24 [2021-12-17 07:27:30,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:27:30,430 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 418 transitions. [2021-12-17 07:27:30,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:27:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 418 transitions. [2021-12-17 07:27:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-17 07:27:30,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:27:30,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:27:30,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-17 07:27:30,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:27:30,649 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:27:30,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:27:30,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2089633339, now seen corresponding path program 1 times [2021-12-17 07:27:30,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:27:30,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373450432] [2021-12-17 07:27:30,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:27:30,651 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:27:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:27:30,652 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) [2021-12-17 07:27:30,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-17 07:27:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:27:31,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-17 07:27:31,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:27:33,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 07:27:33,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-17 07:27:33,978 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 07:27:33,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-17 07:27:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:27:36,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:27:36,553 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:27:36,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373450432] [2021-12-17 07:27:36,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373450432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:27:36,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:27:36,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-17 07:27:36,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758330361] [2021-12-17 07:27:36,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:27:36,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 07:27:36,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:27:36,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 07:27:36,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-17 07:27:36,554 INFO L87 Difference]: Start difference. First operand 303 states and 418 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 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) [2021-12-17 07:27:39,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:41,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:44,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:46,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:49,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:51,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:54,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:27:58,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:00,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:02,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:04,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:06,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:08,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:10,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:13,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:16,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:18,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:20,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:22,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:25,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:27,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:29,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:31,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:33,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:36,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:38,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:40,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:43,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:45,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:49,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:53,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:28:59,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:01,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:03,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:05,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:08,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:10,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:12,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:14,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:16,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:19,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:21,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:23,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:26,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:26,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:29:26,090 INFO L93 Difference]: Finished difference Result 380 states and 523 transitions. [2021-12-17 07:29:26,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 07:29:26,134 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 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) Word has length 30 [2021-12-17 07:29:26,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:29:26,139 INFO L225 Difference]: With dead ends: 380 [2021-12-17 07:29:26,139 INFO L226 Difference]: Without dead ends: 374 [2021-12-17 07:29:26,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-12-17 07:29:26,140 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 272 mSDsluCounter, 2376 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 18 mSolverCounterUnsat, 41 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 41 IncrementalHoareTripleChecker+Unknown, 281 IncrementalHoareTripleChecker+Unchecked, 108.2s IncrementalHoareTripleChecker+Time [2021-12-17 07:29:26,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 2695 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 160 Invalid, 41 Unknown, 281 Unchecked, 108.2s Time] [2021-12-17 07:29:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-12-17 07:29:26,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 315. [2021-12-17 07:29:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 291 states have (on average 1.3711340206185567) internal successors, (399), 296 states have internal predecessors, (399), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 12 states have call predecessors, (19), 16 states have call successors, (19) [2021-12-17 07:29:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 434 transitions. [2021-12-17 07:29:26,164 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 434 transitions. Word has length 30 [2021-12-17 07:29:26,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:29:26,165 INFO L470 AbstractCegarLoop]: Abstraction has 315 states and 434 transitions. [2021-12-17 07:29:26,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 10 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) [2021-12-17 07:29:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 434 transitions. [2021-12-17 07:29:26,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 07:29:26,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:29:26,171 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:29:26,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-17 07:29:26,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:29:26,387 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:29:26,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:29:26,388 INFO L85 PathProgramCache]: Analyzing trace with hash -497702215, now seen corresponding path program 1 times [2021-12-17 07:29:26,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:29:26,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316942770] [2021-12-17 07:29:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:29:26,388 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:29:26,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:29:26,389 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:29:26,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-17 07:29:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:29:26,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-17 07:29:26,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:29:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:29:28,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:29:28,634 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:29:28,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316942770] [2021-12-17 07:29:28,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316942770] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:29:28,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:29:28,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:29:28,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974853895] [2021-12-17 07:29:28,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:29:28,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 07:29:28,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:29:28,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 07:29:28,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:29:28,635 INFO L87 Difference]: Start difference. First operand 315 states and 434 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:29:28,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:29:28,642 INFO L93 Difference]: Finished difference Result 365 states and 498 transitions. [2021-12-17 07:29:28,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:29:28,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 31 [2021-12-17 07:29:28,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:29:28,646 INFO L225 Difference]: With dead ends: 365 [2021-12-17 07:29:28,646 INFO L226 Difference]: Without dead ends: 310 [2021-12-17 07:29:28,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:29:28,648 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 0 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:29:28,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1645 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2021-12-17 07:29:28,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-12-17 07:29:28,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2021-12-17 07:29:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 286 states have (on average 1.3636363636363635) internal successors, (390), 291 states have internal predecessors, (390), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 12 states have call predecessors, (19), 16 states have call successors, (19) [2021-12-17 07:29:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 425 transitions. [2021-12-17 07:29:28,661 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 425 transitions. Word has length 31 [2021-12-17 07:29:28,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:29:28,661 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 425 transitions. [2021-12-17 07:29:28,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:29:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 425 transitions. [2021-12-17 07:29:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 07:29:28,664 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:29:28,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:29:28,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-17 07:29:28,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:29:28,867 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:29:28,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:29:28,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1459474046, now seen corresponding path program 1 times [2021-12-17 07:29:28,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:29:28,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49185559] [2021-12-17 07:29:28,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:29:28,868 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:29:28,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:29:28,869 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:29:28,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-17 07:29:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:29:31,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-17 07:29:31,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:29:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 07:29:33,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-12-17 07:29:34,181 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 07:29:34,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-12-17 07:29:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:29:36,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:29:36,823 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:29:36,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49185559] [2021-12-17 07:29:36,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49185559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:29:36,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:29:36,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-17 07:29:36,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042533352] [2021-12-17 07:29:36,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:29:36,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 07:29:36,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:29:36,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 07:29:36,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-17 07:29:36,824 INFO L87 Difference]: Start difference. First operand 310 states and 425 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:29:40,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:42,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:44,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:46,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:49,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:51,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:54,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:56,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:29:58,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:00,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:02,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:05,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:08,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:10,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:13,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:15,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:18,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:20,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:22,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:25,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:28,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:32,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:34,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:37,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:39,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:42,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:44,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:47,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:51,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:53,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:55,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:30:55,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:30:55,772 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2021-12-17 07:30:55,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 07:30:55,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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 31 [2021-12-17 07:30:55,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:30:55,817 INFO L225 Difference]: With dead ends: 351 [2021-12-17 07:30:55,817 INFO L226 Difference]: Without dead ends: 345 [2021-12-17 07:30:55,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-12-17 07:30:55,818 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 302 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 2406 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 219 IncrementalHoareTripleChecker+Unchecked, 77.9s IncrementalHoareTripleChecker+Time [2021-12-17 07:30:55,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 2406 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 26 Unknown, 219 Unchecked, 77.9s Time] [2021-12-17 07:30:55,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-12-17 07:30:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 311. [2021-12-17 07:30:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 287 states have (on average 1.362369337979094) internal successors, (391), 291 states have internal predecessors, (391), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (19), 13 states have call predecessors, (19), 16 states have call successors, (19) [2021-12-17 07:30:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 426 transitions. [2021-12-17 07:30:55,827 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 426 transitions. Word has length 31 [2021-12-17 07:30:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:30:55,829 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 426 transitions. [2021-12-17 07:30:55,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:30:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 426 transitions. [2021-12-17 07:30:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 07:30:55,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:30:55,830 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:30:55,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-17 07:30:56,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:30:56,036 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:30:56,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:30:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash 122236530, now seen corresponding path program 1 times [2021-12-17 07:30:56,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:30:56,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721058276] [2021-12-17 07:30:56,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:30:56,037 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:30:56,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:30:56,038 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:30:56,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-17 07:30:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:30:58,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:30:58,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:31:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:31:01,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:31:01,899 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:31:01,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721058276] [2021-12-17 07:31:01,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721058276] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:31:01,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:31:01,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:31:01,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082961701] [2021-12-17 07:31:01,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:31:01,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:31:01,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:31:01,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:31:01,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-17 07:31:01,900 INFO L87 Difference]: Start difference. First operand 311 states and 426 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:31:01,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:31:01,902 INFO L93 Difference]: Finished difference Result 311 states and 426 transitions. [2021-12-17 07:31:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:31:01,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 33 [2021-12-17 07:31:01,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:31:01,902 INFO L225 Difference]: With dead ends: 311 [2021-12-17 07:31:01,903 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 07:31:01,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-17 07:31:01,903 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:31:01,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-12-17 07:31:01,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 07:31:01,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 07:31:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 07:31:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 07:31:01,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-12-17 07:31:01,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:31:01,904 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 07:31:01,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:31:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 07:31:01,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 07:31:01,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:31:01,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-17 07:31:02,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:31:02,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 07:31:03,475 INFO L861 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: true [2021-12-17 07:31:03,475 INFO L858 garLoopResultBuilder]: For program point L155-1(line 155) no Hoare annotation was computed. [2021-12-17 07:31:03,475 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 156) no Hoare annotation was computed. [2021-12-17 07:31:03,475 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 115 165) no Hoare annotation was computed. [2021-12-17 07:31:03,475 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 143 148) no Hoare annotation was computed. [2021-12-17 07:31:03,475 INFO L861 garLoopResultBuilder]: At program point L143-2(lines 143 148) the Hoare annotation is: true [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L143-3(lines 143 148) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 155) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 115 165) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 141) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 115 165) the Hoare annotation is: true [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L861 garLoopResultBuilder]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 136) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L124-2(lines 115 165) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L861 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: true [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L153-1(line 153) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L861 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: true [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L141-1(line 141) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 126) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L158-1(lines 158 163) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L861 garLoopResultBuilder]: At program point L158-2(lines 158 163) the Hoare annotation is: true [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L158-3(lines 158 163) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2021-12-17 07:31:03,476 INFO L861 garLoopResultBuilder]: At program point L117-2(lines 117 122) the Hoare annotation is: true [2021-12-17 07:31:03,476 INFO L858 garLoopResultBuilder]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 150) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 90 109) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 90 109) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 90 109) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 107) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 90 109) the Hoare annotation is: true [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 90 109) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L102-2(lines 102 107) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L92-1(lines 92 96) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L861 garLoopResultBuilder]: At program point L92-2(lines 92 96) the Hoare annotation is: true [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L547-2(lines 547 550) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L861 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: true [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 538 572) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2021-12-17 07:31:03,477 INFO L858 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 538 572) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L861 garLoopResultBuilder]: At program point __kernel_cosENTRY(lines 538 572) the Hoare annotation is: true [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 549) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L561-1(lines 561 566) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L861 garLoopResultBuilder]: At program point L561-2(lines 561 566) the Hoare annotation is: true [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L561-3(lines 558 567) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 571) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 550) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L854 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: false [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 307) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 268) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L854 garLoopResultBuilder]: At program point L300-2(lines 291 308) the Hoare annotation is: false [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L854 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2021-12-17 07:31:03,478 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 466 470) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L854 garLoopResultBuilder]: At program point L466-2(lines 466 470) the Hoare annotation is: false [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L854 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 505) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 399 528) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L500-2(lines 500 505) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 204) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 204) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 337) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 240) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L854 garLoopResultBuilder]: At program point L336-3(lines 336 337) the Hoare annotation is: false [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L336-4(lines 322 362) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L338-1(line 338) no Hoare annotation was computed. [2021-12-17 07:31:03,479 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 240) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L272-1(lines 196 364) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 178) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 196 364) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L173-1(lines 166 180) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L173-2(lines 173 178) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L854 garLoopResultBuilder]: At program point L604(lines 604 633) the Hoare annotation is: (and (= |ULTIMATE.start_cos_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_cos_double_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 478) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L406-1(lines 406 410) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L854 garLoopResultBuilder]: At program point L406-2(lines 406 410) the Hoare annotation is: false [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L340(line 340) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L406-3(lines 406 410) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L274-2(lines 274 275) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L854 garLoopResultBuilder]: At program point L274-3(lines 274 275) the Hoare annotation is: false [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L274-4(lines 272 289) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L242(lines 196 364) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L854 garLoopResultBuilder]: At program point L341-3(lines 341 345) the Hoare annotation is: false [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L341-4(lines 341 345) no Hoare annotation was computed. [2021-12-17 07:31:03,480 INFO L858 garLoopResultBuilder]: For program point L209-2(lines 209 210) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L854 garLoopResultBuilder]: At program point L209-3(lines 209 210) the Hoare annotation is: false [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L209-4(lines 209 210) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L507-1(lines 507 512) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L854 garLoopResultBuilder]: At program point L507-2(lines 507 512) the Hoare annotation is: false [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L507-3(lines 507 512) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L210-2(line 210) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 24 85) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L854 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (_ bv0 32) |ULTIMATE.start_cos_double_~#y~0#1.offset|) (= |ULTIMATE.start_cos_double_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 488) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L277-1(lines 277 278) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L277-3(lines 277 278) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L854 garLoopResultBuilder]: At program point L277-4(lines 277 278) the Hoare annotation is: false [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L277-5(lines 277 278) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L858 garLoopResultBuilder]: For program point L311-2(lines 311 314) no Hoare annotation was computed. [2021-12-17 07:31:03,481 INFO L854 garLoopResultBuilder]: At program point L311-3(lines 311 314) the Hoare annotation is: false [2021-12-17 07:31:03,481 INFO L854 garLoopResultBuilder]: At program point L179(lines 166 180) the Hoare annotation is: false [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L245-2(lines 245 254) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L311-4(lines 311 314) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L212-2(lines 212 216) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L854 garLoopResultBuilder]: At program point L245-3(lines 245 254) the Hoare annotation is: false [2021-12-17 07:31:03,482 INFO L854 garLoopResultBuilder]: At program point L212-3(lines 212 216) the Hoare annotation is: false [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L245-4(lines 242 270) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L212-4(lines 212 216) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 214) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L854 garLoopResultBuilder]: At program point L213-3(lines 213 214) the Hoare annotation is: false [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L213-4(lines 213 214) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 416) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L346-2(lines 346 350) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L854 garLoopResultBuilder]: At program point L346-3(lines 346 350) the Hoare annotation is: false [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 280 285) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L346-4(lines 346 350) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L854 garLoopResultBuilder]: At program point L280-3(lines 280 285) the Hoare annotation is: false [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L280-4(lines 280 285) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-12-17 07:31:03,482 INFO L858 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2021-12-17 07:31:03,483 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2021-12-17 07:31:03,483 INFO L858 garLoopResultBuilder]: For program point L513-2(lines 513 516) no Hoare annotation was computed. [2021-12-17 07:31:03,483 INFO L854 garLoopResultBuilder]: At program point L513-3(lines 513 516) the Hoare annotation is: false [2021-12-17 07:31:03,483 INFO L858 garLoopResultBuilder]: For program point L513-4(lines 513 516) no Hoare annotation was computed. [2021-12-17 07:31:03,483 INFO L858 garLoopResultBuilder]: For program point L282-2(lines 282 283) no Hoare annotation was computed. [2021-12-17 07:31:03,483 INFO L854 garLoopResultBuilder]: At program point L282-3(lines 282 283) the Hoare annotation is: false [2021-12-17 07:31:03,483 INFO L858 garLoopResultBuilder]: For program point L282-4(lines 282 283) no Hoare annotation was computed. [2021-12-17 07:31:03,487 INFO L854 garLoopResultBuilder]: At program point L84(lines 24 85) the Hoare annotation is: false [2021-12-17 07:31:03,487 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 649) no Hoare annotation was computed. [2021-12-17 07:31:03,487 INFO L858 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2021-12-17 07:31:03,491 INFO L858 garLoopResultBuilder]: For program point L448-2(lines 448 480) no Hoare annotation was computed. [2021-12-17 07:31:03,491 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 316 320) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L854 garLoopResultBuilder]: At program point L316-3(lines 316 320) the Hoare annotation is: false [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L316-4(lines 316 320) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L647(line 647) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 632) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 487) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 318) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L854 garLoopResultBuilder]: At program point L317-3(lines 317 318) the Hoare annotation is: false [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L317-4(lines 317 318) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L854 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: false [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 441) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 351 352) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L854 garLoopResultBuilder]: At program point L351-3(lines 351 352) the Hoare annotation is: false [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L351-4(lines 322 362) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 440) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L854 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (and (= |ULTIMATE.start_cos_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start_cos_double_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= |ULTIMATE.start_isnan_double_#res#1| (_ bv1 32))) [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2021-12-17 07:31:03,492 INFO L861 garLoopResultBuilder]: At program point L650(lines 635 651) the Hoare annotation is: true [2021-12-17 07:31:03,492 INFO L858 garLoopResultBuilder]: For program point L617(lines 617 632) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L854 garLoopResultBuilder]: At program point L287(lines 196 364) the Hoare annotation is: false [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L221-2(lines 221 225) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L854 garLoopResultBuilder]: At program point L221-3(lines 221 225) the Hoare annotation is: false [2021-12-17 07:31:03,493 INFO L854 garLoopResultBuilder]: At program point L221-4(lines 221 225) the Hoare annotation is: false [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L519-1(lines 519 520) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L854 garLoopResultBuilder]: At program point L519-3(lines 519 520) the Hoare annotation is: false [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L519-4(lines 519 520) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L255-1(lines 242 270) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L854 garLoopResultBuilder]: At program point L454-2(lines 454 458) the Hoare annotation is: false [2021-12-17 07:31:03,493 INFO L858 garLoopResultBuilder]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2021-12-17 07:31:03,493 INFO L854 garLoopResultBuilder]: At program point L322(lines 322 362) the Hoare annotation is: false [2021-12-17 07:31:03,494 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 07:31:03,494 INFO L854 garLoopResultBuilder]: At program point L256(lines 256 263) the Hoare annotation is: false [2021-12-17 07:31:03,494 INFO L858 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2021-12-17 07:31:03,494 INFO L858 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2021-12-17 07:31:03,494 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-12-17 07:31:03,495 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2021-12-17 07:31:03,495 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2021-12-17 07:31:03,495 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2021-12-17 07:31:03,495 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 631) no Hoare annotation was computed. [2021-12-17 07:31:03,495 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 493) no Hoare annotation was computed. [2021-12-17 07:31:03,495 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 326) no Hoare annotation was computed. [2021-12-17 07:31:03,495 INFO L854 garLoopResultBuilder]: At program point L325-3(lines 325 326) the Hoare annotation is: false [2021-12-17 07:31:03,495 INFO L858 garLoopResultBuilder]: For program point L325-4(lines 322 362) no Hoare annotation was computed. [2021-12-17 07:31:03,495 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 07:31:03,495 INFO L858 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-12-17 07:31:03,496 INFO L858 garLoopResultBuilder]: For program point L260(line 260) no Hoare annotation was computed. [2021-12-17 07:31:03,496 INFO L858 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2021-12-17 07:31:03,496 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2021-12-17 07:31:03,496 INFO L854 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: false [2021-12-17 07:31:03,496 INFO L858 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2021-12-17 07:31:03,496 INFO L858 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2021-12-17 07:31:03,496 INFO L858 garLoopResultBuilder]: For program point L294-1(lines 294 297) no Hoare annotation was computed. [2021-12-17 07:31:03,496 INFO L854 garLoopResultBuilder]: At program point L294-3(lines 294 297) the Hoare annotation is: false [2021-12-17 07:31:03,496 INFO L858 garLoopResultBuilder]: For program point L625(line 625) no Hoare annotation was computed. [2021-12-17 07:31:03,496 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 479) no Hoare annotation was computed. [2021-12-17 07:31:03,497 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 448 480) no Hoare annotation was computed. [2021-12-17 07:31:03,497 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2021-12-17 07:31:03,497 INFO L854 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: false [2021-12-17 07:31:03,497 INFO L858 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2021-12-17 07:31:03,497 INFO L854 garLoopResultBuilder]: At program point L527(lines 399 528) the Hoare annotation is: false [2021-12-17 07:31:03,497 INFO L858 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2021-12-17 07:31:03,497 INFO L858 garLoopResultBuilder]: For program point L329-2(line 329) no Hoare annotation was computed. [2021-12-17 07:31:03,497 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2021-12-17 07:31:03,497 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2021-12-17 07:31:03,497 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 07:31:03,498 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 647) no Hoare annotation was computed. [2021-12-17 07:31:03,498 INFO L858 garLoopResultBuilder]: For program point L627(line 627) no Hoare annotation was computed. [2021-12-17 07:31:03,498 INFO L858 garLoopResultBuilder]: For program point L495-1(lines 495 499) no Hoare annotation was computed. [2021-12-17 07:31:03,498 INFO L854 garLoopResultBuilder]: At program point L495-2(lines 495 499) the Hoare annotation is: false [2021-12-17 07:31:03,498 INFO L854 garLoopResultBuilder]: At program point L363(lines 195 364) the Hoare annotation is: false [2021-12-17 07:31:03,498 INFO L858 garLoopResultBuilder]: For program point L330(line 330) no Hoare annotation was computed. [2021-12-17 07:31:03,498 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2021-12-17 07:31:03,498 INFO L854 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: false [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 240) no Hoare annotation was computed. [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 438) no Hoare annotation was computed. [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L431-2(lines 431 438) no Hoare annotation was computed. [2021-12-17 07:31:03,499 INFO L854 garLoopResultBuilder]: At program point L299(line 299) the Hoare annotation is: false [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L299-1(line 299) no Hoare annotation was computed. [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L332-2(lines 332 333) no Hoare annotation was computed. [2021-12-17 07:31:03,499 INFO L854 garLoopResultBuilder]: At program point L332-3(lines 332 333) the Hoare annotation is: false [2021-12-17 07:31:03,499 INFO L858 garLoopResultBuilder]: For program point L332-4(lines 322 362) no Hoare annotation was computed. [2021-12-17 07:31:03,500 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2021-12-17 07:31:03,500 INFO L861 garLoopResultBuilder]: At program point __kernel_sinENTRY(lines 582 602) the Hoare annotation is: true [2021-12-17 07:31:03,500 INFO L858 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 582 602) no Hoare annotation was computed. [2021-12-17 07:31:03,500 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 594) no Hoare annotation was computed. [2021-12-17 07:31:03,500 INFO L858 garLoopResultBuilder]: For program point L591-2(lines 591 594) no Hoare annotation was computed. [2021-12-17 07:31:03,500 INFO L858 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2021-12-17 07:31:03,500 INFO L861 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: true [2021-12-17 07:31:03,500 INFO L858 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2021-12-17 07:31:03,500 INFO L858 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 582 602) no Hoare annotation was computed. [2021-12-17 07:31:03,501 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 601) no Hoare annotation was computed. [2021-12-17 07:31:03,501 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 593) no Hoare annotation was computed. [2021-12-17 07:31:03,503 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:31:03,505 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:31:03,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,521 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,522 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:31:03 BoogieIcfgContainer [2021-12-17 07:31:03,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:31:03,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:31:03,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:31:03,529 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:31:03,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:26:04" (3/4) ... [2021-12-17 07:31:03,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 07:31:03,535 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-12-17 07:31:03,536 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-12-17 07:31:03,536 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2021-12-17 07:31:03,536 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2021-12-17 07:31:03,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-17 07:31:03,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-12-17 07:31:03,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-17 07:31:03,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 07:31:03,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2021-12-17 07:31:03,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == 1bv32 [2021-12-17 07:31:03,641 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 07:31:03,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:31:03,645 INFO L158 Benchmark]: Toolchain (without parser) took 355072.79ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.9MB in the beginning and 43.5MB in the end (delta: -555.5kB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2021-12-17 07:31:03,645 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:31:03,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.32ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.8MB in the beginning and 55.9MB in the end (delta: -13.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-12-17 07:31:03,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.94ms. Allocated memory is still 75.5MB. Free memory was 55.9MB in the beginning and 49.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:31:03,647 INFO L158 Benchmark]: Boogie Preprocessor took 105.94ms. Allocated memory is still 75.5MB. Free memory was 49.7MB in the beginning and 43.1MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:31:03,647 INFO L158 Benchmark]: RCFGBuilder took 55275.23ms. Allocated memory is still 75.5MB. Free memory was 42.8MB in the beginning and 30.6MB in the end (delta: 12.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-12-17 07:31:03,647 INFO L158 Benchmark]: TraceAbstraction took 298968.04ms. Allocated memory is still 75.5MB. Free memory was 30.4MB in the beginning and 41.1MB in the end (delta: -10.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-12-17 07:31:03,648 INFO L158 Benchmark]: Witness Printer took 113.09ms. Allocated memory is still 75.5MB. Free memory was 41.1MB in the beginning and 43.5MB in the end (delta: -2.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-12-17 07:31:03,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.32ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.8MB in the beginning and 55.9MB in the end (delta: -13.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.94ms. Allocated memory is still 75.5MB. Free memory was 55.9MB in the beginning and 49.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.94ms. Allocated memory is still 75.5MB. Free memory was 49.7MB in the beginning and 43.1MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 55275.23ms. Allocated memory is still 75.5MB. Free memory was 42.8MB in the beginning and 30.6MB in the end (delta: 12.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * TraceAbstraction took 298968.04ms. Allocated memory is still 75.5MB. Free memory was 30.4MB in the beginning and 41.1MB in the end (delta: -10.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Witness Printer took 113.09ms. Allocated memory is still 75.5MB. Free memory was 41.1MB in the beginning and 43.5MB in the end (delta: -2.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 647]: 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, 257 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 298.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 265.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 92 mSolverCounterUnknown, 916 SdHoareTripleChecker+Valid, 261.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 898 mSDsluCounter, 12809 SdHoareTripleChecker+Invalid, 252.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 564 IncrementalHoareTripleChecker+Unchecked, 10119 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 2690 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=315occurred in iteration=6, InterpolantAutomatonStates: 59, 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, 9 MinimizatonAttempts, 170 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 194 PreInvPairs, 199 NumberOfFragments, 120 HoareAnnotationTreeSize, 194 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 23.1s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 202 ConstructedInterpolants, 47 QuantifiedInterpolants, 1386 SizeOfPredicates, 77 NumberOfNonLiveVariables, 2521 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant [2021-12-17 07:31:03,663 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,663 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,663 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,663 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,666 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,666 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,666 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,666 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant [2021-12-17 07:31:03,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 0bv32 == y) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant [2021-12-17 07:31:03,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-17 07:31:03,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == 1bv32 - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 07:31:03,903 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-17 07:31:03,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE