./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1052c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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_1052c.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 dfa840d25aa8e4c2571f9c229001b7ecc827955ca79f4052c712316342cac738 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 13:26:24,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 13:26:24,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 13:26:24,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 13:26:24,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 13:26:24,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 13:26:24,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 13:26:24,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 13:26:24,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 13:26:24,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 13:26:24,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 13:26:24,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 13:26:24,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 13:26:24,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 13:26:24,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 13:26:24,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 13:26:24,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 13:26:24,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 13:26:24,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 13:26:25,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 13:26:25,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 13:26:25,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 13:26:25,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 13:26:25,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 13:26:25,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 13:26:25,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 13:26:25,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 13:26:25,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 13:26:25,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 13:26:25,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 13:26:25,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 13:26:25,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 13:26:25,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 13:26:25,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 13:26:25,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 13:26:25,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 13:26:25,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 13:26:25,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 13:26:25,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 13:26:25,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 13:26:25,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 13:26:25,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 13:26:25,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 13:26:25,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 13:26:25,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 13:26:25,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 13:26:25,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 13:26:25,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 13:26:25,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 13:26:25,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 13:26:25,048 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 13:26:25,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 13:26:25,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 13:26:25,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 13:26:25,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 13:26:25,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 13:26:25,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 13:26:25,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 13:26:25,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 13:26:25,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 13:26:25,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 13:26:25,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 13:26:25,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 13:26:25,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 13:26:25,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 13:26:25,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 13:26:25,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 13:26:25,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 13:26:25,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 13:26:25,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 13:26:25,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 13:26:25,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 13:26:25,052 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 13:26:25,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 13:26:25,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 13:26:25,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 13:26:25,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa840d25aa8e4c2571f9c229001b7ecc827955ca79f4052c712316342cac738 [2021-12-14 13:26:25,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 13:26:25,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 13:26:25,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 13:26:25,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 13:26:25,252 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 13:26:25,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052c.c [2021-12-14 13:26:25,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbefb42cc/568a752cf75e456998f8d06fa01d08c9/FLAGacb5ea839 [2021-12-14 13:26:25,679 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 13:26:25,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052c.c [2021-12-14 13:26:25,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbefb42cc/568a752cf75e456998f8d06fa01d08c9/FLAGacb5ea839 [2021-12-14 13:26:25,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbefb42cc/568a752cf75e456998f8d06fa01d08c9 [2021-12-14 13:26:25,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 13:26:25,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 13:26:25,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 13:26:25,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 13:26:25,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 13:26:25,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb42c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25, skipping insertion in model container [2021-12-14 13:26:25,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 13:26:25,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 13:26:25,842 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_1052c.c[2271,2284] [2021-12-14 13:26:25,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 13:26:25,849 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 13:26:25,867 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_1052c.c[2271,2284] [2021-12-14 13:26:25,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 13:26:25,876 INFO L208 MainTranslator]: Completed translation [2021-12-14 13:26:25,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25 WrapperNode [2021-12-14 13:26:25,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 13:26:25,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 13:26:25,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 13:26:25,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 13:26:25,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,900 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2021-12-14 13:26:25,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 13:26:25,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 13:26:25,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 13:26:25,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 13:26:25,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 13:26:25,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 13:26:25,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 13:26:25,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 13:26:25,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (1/1) ... [2021-12-14 13:26:25,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 13:26:25,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 13:26:25,954 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) [2021-12-14 13:26:25,956 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 [2021-12-14 13:26:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 13:26:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 13:26:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 13:26:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-14 13:26:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 13:26:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-14 13:26:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 13:26:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 13:26:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 13:26:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 13:26:26,040 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 13:26:26,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 13:26:26,167 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 13:26:26,171 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 13:26:26,171 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-14 13:26:26,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:26 BoogieIcfgContainer [2021-12-14 13:26:26,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 13:26:26,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 13:26:26,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 13:26:26,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 13:26:26,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:26:25" (1/3) ... [2021-12-14 13:26:26,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d536ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:26:26, skipping insertion in model container [2021-12-14 13:26:26,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:25" (2/3) ... [2021-12-14 13:26:26,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d536ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:26:26, skipping insertion in model container [2021-12-14 13:26:26,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:26" (3/3) ... [2021-12-14 13:26:26,192 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052c.c [2021-12-14 13:26:26,195 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 13:26:26,195 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 13:26:26,243 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 13:26:26,297 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 [2021-12-14 13:26:26,297 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 13:26:26,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 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) [2021-12-14 13:26:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-14 13:26:26,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:26,328 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:26,328 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:26,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:26,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2021-12-14 13:26:26,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 13:26:26,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838028155] [2021-12-14 13:26:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:26,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 13:26:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:26,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 13:26:26,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838028155] [2021-12-14 13:26:26,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838028155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:26,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:26,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 13:26:26,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730937733] [2021-12-14 13:26:26,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:26,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-14 13:26:26,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 13:26:26,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-14 13:26:26,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 13:26:26,531 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-12-14 13:26:26,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:26,549 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2021-12-14 13:26:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 13:26:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2021-12-14 13:26:26,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:26,557 INFO L225 Difference]: With dead ends: 74 [2021-12-14 13:26:26,558 INFO L226 Difference]: Without dead ends: 35 [2021-12-14 13:26:26,560 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 [2021-12-14 13:26:26,566 INFO L933 BasicCegarLoop]: 53 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, 53 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 [2021-12-14 13:26:26,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 13:26:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-12-14 13:26:26,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-12-14 13:26:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 34 states have internal predecessors, (50), 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) [2021-12-14 13:26:26,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2021-12-14 13:26:26,596 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2021-12-14 13:26:26,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:26,596 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2021-12-14 13:26:26,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-12-14 13:26:26,596 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2021-12-14 13:26:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-14 13:26:26,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:26,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:26,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 13:26:26,599 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:26,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:26,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2021-12-14 13:26:26,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 13:26:26,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558716954] [2021-12-14 13:26:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:26,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 13:26:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 13:26:26,662 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 13:26:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 13:26:26,722 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 13:26:26,722 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-14 13:26:26,726 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 13:26:26,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 13:26:26,732 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-14 13:26:26,736 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 13:26:26,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:26:26 BoogieIcfgContainer [2021-12-14 13:26:26,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 13:26:26,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 13:26:26,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 13:26:26,764 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 13:26:26,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:26" (3/4) ... [2021-12-14 13:26:26,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 13:26:26,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 13:26:26,769 INFO L158 Benchmark]: Toolchain (without parser) took 1067.40ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 60.8MB in the beginning and 74.6MB in the end (delta: -13.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-12-14 13:26:26,769 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 13:26:26,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.80ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 66.9MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 13:26:26,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.99ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 13:26:26,772 INFO L158 Benchmark]: Boogie Preprocessor took 18.89ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 63.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 13:26:26,775 INFO L158 Benchmark]: RCFGBuilder took 252.43ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 50.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-14 13:26:26,775 INFO L158 Benchmark]: TraceAbstraction took 588.92ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 50.2MB in the beginning and 75.2MB in the end (delta: -24.9MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2021-12-14 13:26:26,775 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 74.6MB in the end (delta: 533.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 13:26:26,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.80ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 66.9MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.99ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.89ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 63.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 252.43ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 50.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 588.92ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 50.2MB in the beginning and 75.2MB in the end (delta: -24.9MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 74.6MB in the end (delta: 533.0kB). 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: 105]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 39, overapproximation of bitwiseOr at line 40, overapproximation of someUnaryDOUBLEoperation at line 100, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 104. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L100] double x = -0.0; [L101] CALL, EXPR floor_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2, i1=-1, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L28] COND TRUE j0 < 20 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L29] COND FALSE !(j0 < 0) [L39] i = (0x000fffff) >> j0 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L40] COND TRUE ((i0 & i) | i1) == 0 [L41] return x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \result=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L101] RET, EXPR floor_double(x) [L101] double res = floor_double(x); [L104] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, res == -0.0 && __signbit_double(res) == 1=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L104] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L105] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 53 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, 53 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=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-12-14 13:26:26,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_1052c.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 dfa840d25aa8e4c2571f9c229001b7ecc827955ca79f4052c712316342cac738 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 13:26:28,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 13:26:28,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 13:26:28,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 13:26:28,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 13:26:28,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 13:26:28,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 13:26:28,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 13:26:28,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 13:26:28,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 13:26:28,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 13:26:28,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 13:26:28,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 13:26:28,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 13:26:28,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 13:26:28,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 13:26:28,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 13:26:28,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 13:26:28,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 13:26:28,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 13:26:28,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 13:26:28,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 13:26:28,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 13:26:28,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 13:26:28,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 13:26:28,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 13:26:28,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 13:26:28,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 13:26:28,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 13:26:28,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 13:26:28,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 13:26:28,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 13:26:28,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 13:26:28,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 13:26:28,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 13:26:28,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 13:26:28,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 13:26:28,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 13:26:28,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 13:26:28,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 13:26:28,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 13:26:28,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-14 13:26:28,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 13:26:28,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 13:26:28,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 13:26:28,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 13:26:28,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 13:26:28,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 13:26:28,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 13:26:28,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 13:26:28,548 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 13:26:28,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 13:26:28,549 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 13:26:28,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 13:26:28,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 13:26:28,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 13:26:28,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 13:26:28,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 13:26:28,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 13:26:28,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 13:26:28,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 13:26:28,550 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 13:26:28,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 13:26:28,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 13:26:28,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 13:26:28,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 13:26:28,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 13:26:28,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 13:26:28,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 13:26:28,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 13:26:28,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 13:26:28,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 13:26:28,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 13:26:28,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 13:26:28,552 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 13:26:28,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 13:26:28,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 13:26:28,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 13:26:28,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 13:26:28,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa840d25aa8e4c2571f9c229001b7ecc827955ca79f4052c712316342cac738 [2021-12-14 13:26:28,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 13:26:28,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 13:26:28,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 13:26:28,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 13:26:28,842 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 13:26:28,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052c.c [2021-12-14 13:26:28,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b75345a1/df7cef7877224d3ca4090559de6bccbf/FLAG66bbd0a5a [2021-12-14 13:26:29,240 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 13:26:29,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052c.c [2021-12-14 13:26:29,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b75345a1/df7cef7877224d3ca4090559de6bccbf/FLAG66bbd0a5a [2021-12-14 13:26:29,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b75345a1/df7cef7877224d3ca4090559de6bccbf [2021-12-14 13:26:29,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 13:26:29,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 13:26:29,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 13:26:29,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 13:26:29,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 13:26:29,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e85685e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29, skipping insertion in model container [2021-12-14 13:26:29,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 13:26:29,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 13:26:29,460 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_1052c.c[2271,2284] [2021-12-14 13:26:29,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 13:26:29,477 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 13:26:29,522 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_1052c.c[2271,2284] [2021-12-14 13:26:29,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 13:26:29,545 INFO L208 MainTranslator]: Completed translation [2021-12-14 13:26:29,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29 WrapperNode [2021-12-14 13:26:29,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 13:26:29,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 13:26:29,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 13:26:29,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 13:26:29,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,590 INFO L137 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2021-12-14 13:26:29,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 13:26:29,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 13:26:29,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 13:26:29,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 13:26:29,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 13:26:29,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 13:26:29,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 13:26:29,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 13:26:29,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (1/1) ... [2021-12-14 13:26:29,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 13:26:29,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 13:26:29,669 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) [2021-12-14 13:26:29,691 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 [2021-12-14 13:26:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 13:26:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-14 13:26:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-14 13:26:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-14 13:26:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 13:26:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-14 13:26:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 13:26:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 13:26:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-14 13:26:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 13:26:29,769 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 13:26:29,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 13:26:31,110 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 13:26:31,114 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 13:26:31,114 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-14 13:26:31,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:31 BoogieIcfgContainer [2021-12-14 13:26:31,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 13:26:31,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 13:26:31,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 13:26:31,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 13:26:31,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:26:29" (1/3) ... [2021-12-14 13:26:31,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4916bc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:26:31, skipping insertion in model container [2021-12-14 13:26:31,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:26:29" (2/3) ... [2021-12-14 13:26:31,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4916bc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:26:31, skipping insertion in model container [2021-12-14 13:26:31,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:31" (3/3) ... [2021-12-14 13:26:31,120 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052c.c [2021-12-14 13:26:31,129 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 13:26:31,129 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 13:26:31,175 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 13:26:31,182 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 [2021-12-14 13:26:31,182 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 13:26:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 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) [2021-12-14 13:26:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-14 13:26:31,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:31,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:31,199 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:31,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:31,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2021-12-14 13:26:31,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 13:26:31,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607551116] [2021-12-14 13:26:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:31,217 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 13:26:31,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 13:26:31,239 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) [2021-12-14 13:26:31,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-14 13:26:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:31,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-14 13:26:31,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 13:26:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:31,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 13:26:31,348 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 13:26:31,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607551116] [2021-12-14 13:26:31,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607551116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:31,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:31,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-14 13:26:31,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231197030] [2021-12-14 13:26:31,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:31,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-14 13:26:31,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 13:26:31,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-14 13:26:31,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 13:26:31,382 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 37 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-12-14 13:26:31,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:31,400 INFO L93 Difference]: Finished difference Result 74 states and 118 transitions. [2021-12-14 13:26:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 13:26:31,402 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2021-12-14 13:26:31,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:31,409 INFO L225 Difference]: With dead ends: 74 [2021-12-14 13:26:31,409 INFO L226 Difference]: Without dead ends: 35 [2021-12-14 13:26:31,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-14 13:26:31,416 INFO L933 BasicCegarLoop]: 53 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, 53 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 [2021-12-14 13:26:31,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 13:26:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-12-14 13:26:31,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-12-14 13:26:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 34 states have internal predecessors, (50), 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) [2021-12-14 13:26:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2021-12-14 13:26:31,445 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2021-12-14 13:26:31,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:31,446 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2021-12-14 13:26:31,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2021-12-14 13:26:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2021-12-14 13:26:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-14 13:26:31,448 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:31,448 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:31,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-14 13:26:31,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 13:26:31,656 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:31,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2021-12-14 13:26:31,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 13:26:31,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540688717] [2021-12-14 13:26:31,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:31,658 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 13:26:31,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 13:26:31,659 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) [2021-12-14 13:26:31,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-14 13:26:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:31,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-14 13:26:31,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 13:26:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:31,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 13:26:31,890 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 13:26:31,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540688717] [2021-12-14 13:26:31,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1540688717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:31,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:31,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 13:26:31,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044858492] [2021-12-14 13:26:31,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:31,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 13:26:31,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 13:26:31,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 13:26:31,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 13:26:31,893 INFO L87 Difference]: Start difference. First operand 35 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 13:26:32,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:32,541 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2021-12-14 13:26:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 13:26:32,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-14 13:26:32,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:32,544 INFO L225 Difference]: With dead ends: 47 [2021-12-14 13:26:32,544 INFO L226 Difference]: Without dead ends: 31 [2021-12-14 13:26:32,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 13:26:32,545 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-14 13:26:32,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 119 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 22 Unchecked, 0.6s Time] [2021-12-14 13:26:32,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-14 13:26:32,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-12-14 13:26:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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) [2021-12-14 13:26:32,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-12-14 13:26:32,548 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 12 [2021-12-14 13:26:32,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:32,549 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-12-14 13:26:32,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 13:26:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-12-14 13:26:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-14 13:26:32,549 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:32,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:32,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-14 13:26:32,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 13:26:32,750 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:32,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:32,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1803079892, now seen corresponding path program 1 times [2021-12-14 13:26:32,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 13:26:32,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310492531] [2021-12-14 13:26:32,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:32,752 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 13:26:32,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 13:26:32,753 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) [2021-12-14 13:26:32,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-14 13:26:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:32,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-14 13:26:32,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 13:26:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:32,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 13:26:32,887 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 13:26:32,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310492531] [2021-12-14 13:26:32,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310492531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:32,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:32,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 13:26:32,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505674338] [2021-12-14 13:26:32,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:32,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 13:26:32,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 13:26:32,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 13:26:32,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 13:26:32,889 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 13:26:33,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:33,192 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2021-12-14 13:26:33,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 13:26:33,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-14 13:26:33,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:33,194 INFO L225 Difference]: With dead ends: 43 [2021-12-14 13:26:33,194 INFO L226 Difference]: Without dead ends: 22 [2021-12-14 13:26:33,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 13:26:33,196 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-14 13:26:33,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 73 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 11 Unchecked, 0.3s Time] [2021-12-14 13:26:33,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-14 13:26:33,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-14 13:26:33,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2021-12-14 13:26:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-12-14 13:26:33,199 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 12 [2021-12-14 13:26:33,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:33,199 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-12-14 13:26:33,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 13:26:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-12-14 13:26:33,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-14 13:26:33,200 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:33,200 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:33,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-14 13:26:33,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 13:26:33,407 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:33,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:33,408 INFO L85 PathProgramCache]: Analyzing trace with hash -649381144, now seen corresponding path program 1 times [2021-12-14 13:26:33,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 13:26:33,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145157213] [2021-12-14 13:26:33,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:33,408 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 13:26:33,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 13:26:33,410 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) [2021-12-14 13:26:33,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-14 13:26:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:33,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-14 13:26:33,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 13:26:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:33,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 13:26:33,727 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 13:26:33,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145157213] [2021-12-14 13:26:33,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145157213] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:33,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:33,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 13:26:33,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813126962] [2021-12-14 13:26:33,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:33,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 13:26:33,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 13:26:33,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 13:26:33,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-14 13:26:33,731 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-12-14 13:26:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:33,800 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2021-12-14 13:26:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 13:26:33,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2021-12-14 13:26:33,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:33,802 INFO L225 Difference]: With dead ends: 34 [2021-12-14 13:26:33,802 INFO L226 Difference]: Without dead ends: 22 [2021-12-14 13:26:33,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-14 13:26:33,803 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-14 13:26:33,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 32 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-14 13:26:33,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-14 13:26:33,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-14 13:26:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 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) [2021-12-14 13:26:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-12-14 13:26:33,806 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 15 [2021-12-14 13:26:33,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:33,806 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-12-14 13:26:33,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-12-14 13:26:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-12-14 13:26:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-14 13:26:33,807 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:33,807 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:33,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-14 13:26:34,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 13:26:34,016 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:34,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:34,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1381924140, now seen corresponding path program 1 times [2021-12-14 13:26:34,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 13:26:34,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500331352] [2021-12-14 13:26:34,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:34,018 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 13:26:34,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 13:26:34,019 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) [2021-12-14 13:26:34,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-14 13:26:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:34,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-14 13:26:34,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 13:26:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:34,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 13:26:34,204 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 13:26:34,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500331352] [2021-12-14 13:26:34,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500331352] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:34,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:34,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 13:26:34,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616816630] [2021-12-14 13:26:34,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:34,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 13:26:34,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 13:26:34,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 13:26:34,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 13:26:34,206 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-12-14 13:26:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:34,234 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-12-14 13:26:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 13:26:34,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2021-12-14 13:26:34,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:34,235 INFO L225 Difference]: With dead ends: 34 [2021-12-14 13:26:34,235 INFO L226 Difference]: Without dead ends: 22 [2021-12-14 13:26:34,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 13:26:34,236 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 13:26:34,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 47 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2021-12-14 13:26:34,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-14 13:26:34,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-14 13:26:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 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) [2021-12-14 13:26:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-12-14 13:26:34,239 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 16 [2021-12-14 13:26:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:34,239 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-12-14 13:26:34,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-12-14 13:26:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-12-14 13:26:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-14 13:26:34,240 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:34,240 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:34,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-14 13:26:34,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 13:26:34,444 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:34,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:34,444 INFO L85 PathProgramCache]: Analyzing trace with hash 461150674, now seen corresponding path program 1 times [2021-12-14 13:26:34,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 13:26:34,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148259413] [2021-12-14 13:26:34,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:34,445 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 13:26:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 13:26:34,446 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) [2021-12-14 13:26:34,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-14 13:26:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:34,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-14 13:26:34,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 13:26:34,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2021-12-14 13:26:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:34,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 13:26:34,679 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 13:26:34,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148259413] [2021-12-14 13:26:34,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148259413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:34,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:34,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 13:26:34,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472382984] [2021-12-14 13:26:34,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:34,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 13:26:34,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 13:26:34,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 13:26:34,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 13:26:34,681 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-12-14 13:26:34,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:34,707 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2021-12-14 13:26:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 13:26:34,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2021-12-14 13:26:34,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:34,711 INFO L225 Difference]: With dead ends: 34 [2021-12-14 13:26:34,711 INFO L226 Difference]: Without dead ends: 22 [2021-12-14 13:26:34,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 13:26:34,712 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 13:26:34,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 43 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-12-14 13:26:34,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-14 13:26:34,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-14 13:26:34,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 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) [2021-12-14 13:26:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-12-14 13:26:34,715 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 17 [2021-12-14 13:26:34,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:34,715 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2021-12-14 13:26:34,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-12-14 13:26:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-12-14 13:26:34,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-14 13:26:34,716 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:34,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:34,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-14 13:26:34,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 13:26:34,927 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:34,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:34,927 INFO L85 PathProgramCache]: Analyzing trace with hash -348195952, now seen corresponding path program 1 times [2021-12-14 13:26:34,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 13:26:34,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715178456] [2021-12-14 13:26:34,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:34,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 13:26:34,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 13:26:34,929 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) [2021-12-14 13:26:34,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-14 13:26:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:35,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-14 13:26:35,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 13:26:35,061 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 15 treesize of output 16 [2021-12-14 13:26:35,322 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-14 13:26:35,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 69 [2021-12-14 13:26:35,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2021-12-14 13:26:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:35,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 13:26:35,422 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 13:26:35,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715178456] [2021-12-14 13:26:35,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1715178456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:35,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:35,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 13:26:35,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358825652] [2021-12-14 13:26:35,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:35,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 13:26:35,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 13:26:35,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 13:26:35,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 13:26:35,424 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2021-12-14 13:26:35,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:35,476 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-12-14 13:26:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 13:26:35,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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 17 [2021-12-14 13:26:35,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:35,477 INFO L225 Difference]: With dead ends: 25 [2021-12-14 13:26:35,477 INFO L226 Difference]: Without dead ends: 22 [2021-12-14 13:26:35,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-14 13:26:35,478 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 23 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 13:26:35,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 45 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2021-12-14 13:26:35,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-12-14 13:26:35,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-14 13:26:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0) internal successors, (21), 21 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) [2021-12-14 13:26:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2021-12-14 13:26:35,480 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2021-12-14 13:26:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:35,480 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2021-12-14 13:26:35,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2021-12-14 13:26:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2021-12-14 13:26:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-14 13:26:35,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 13:26:35,480 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] [2021-12-14 13:26:35,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-14 13:26:35,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 13:26:35,681 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 13:26:35,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 13:26:35,682 INFO L85 PathProgramCache]: Analyzing trace with hash -475618843, now seen corresponding path program 1 times [2021-12-14 13:26:35,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-14 13:26:35,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555429266] [2021-12-14 13:26:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 13:26:35,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-14 13:26:35,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-14 13:26:35,683 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) [2021-12-14 13:26:35,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-14 13:26:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 13:26:35,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-14 13:26:35,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 13:26:35,834 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 15 treesize of output 16 [2021-12-14 13:26:36,034 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-12-14 13:26:36,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-12-14 13:26:36,336 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-14 13:26:36,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 29 [2021-12-14 13:26:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 13:26:36,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 13:26:36,571 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-14 13:26:36,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555429266] [2021-12-14 13:26:36,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555429266] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 13:26:36,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 13:26:36,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-14 13:26:36,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862779315] [2021-12-14 13:26:36,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 13:26:36,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-14 13:26:36,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-14 13:26:36,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-14 13:26:36,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-14 13:26:36,572 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 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) [2021-12-14 13:26:36,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 13:26:36,608 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2021-12-14 13:26:36,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 13:26:36,608 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 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 [2021-12-14 13:26:36,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 13:26:36,608 INFO L225 Difference]: With dead ends: 22 [2021-12-14 13:26:36,608 INFO L226 Difference]: Without dead ends: 0 [2021-12-14 13:26:36,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-14 13:26:36,609 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 13:26:36,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 60 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 27 Unchecked, 0.0s Time] [2021-12-14 13:26:36,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-14 13:26:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-14 13:26:36,610 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) [2021-12-14 13:26:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 13:26:36,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-12-14 13:26:36,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 13:26:36,610 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 13:26:36,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 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) [2021-12-14 13:26:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-14 13:26:36,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-14 13:26:36,615 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 13:26:36,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-14 13:26:36,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-14 13:26:36,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-14 13:26:36,908 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 67) no Hoare annotation was computed. [2021-12-14 13:26:36,908 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-14 13:26:36,908 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-14 13:26:36,908 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 71) no Hoare annotation was computed. [2021-12-14 13:26:36,908 INFO L854 garLoopResultBuilder]: At program point L78(lines 18 79) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start_floor_double_#res#1|) (= |ULTIMATE.start_floor_double_~x#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_18| (_ BitVec 64)) (|v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11|))) (let ((.cse1 (select .cse3 (_ bv4 32)))) (and (= (select (select |#memory_int| |v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17|) (_ bv4 32)) .cse1) (= (let ((.cse2 (concat .cse1 (select .cse3 (_ bv0 32))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start_floor_double_#res#1|) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_18|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_18|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_18|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_18|)) (fp.neg (_ +zero 11 53))))))))) [2021-12-14 13:26:36,908 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 48) no Hoare annotation was computed. [2021-12-14 13:26:36,909 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2021-12-14 13:26:36,909 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 26) the Hoare annotation is: (and (= |ULTIMATE.start_floor_double_~x#1| (fp.neg (_ +zero 11 53))) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-14 13:26:36,909 INFO L858 garLoopResultBuilder]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2021-12-14 13:26:36,909 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-14 13:26:36,909 INFO L858 garLoopResultBuilder]: For program point L104-2(lines 104 107) no Hoare annotation was computed. [2021-12-14 13:26:36,909 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2021-12-14 13:26:36,909 INFO L858 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-12-14 13:26:36,909 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 77) no Hoare annotation was computed. [2021-12-14 13:26:36,909 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 18 79) no Hoare annotation was computed. [2021-12-14 13:26:36,910 INFO L858 garLoopResultBuilder]: For program point L72-2(lines 72 77) no Hoare annotation was computed. [2021-12-14 13:26:36,910 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2021-12-14 13:26:36,910 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2021-12-14 13:26:36,910 INFO L858 garLoopResultBuilder]: For program point L64-2(lines 64 65) no Hoare annotation was computed. [2021-12-14 13:26:36,910 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 57) no Hoare annotation was computed. [2021-12-14 13:26:36,910 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2021-12-14 13:26:36,910 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-14 13:26:36,910 INFO L854 garLoopResultBuilder]: At program point L90(lines 81 91) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 11 53)))) (and (exists ((|v_skolemized_q#valueAsBitvector_18| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64)) (v_arrayElimCell_8 (_ BitVec 32))) (and (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) (let ((.cse0 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_18|) v_arrayElimCell_8))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_18|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_18|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_18|)) (fp.neg (_ +zero 11 53))))) (= .cse1 |ULTIMATE.start_floor_double_#res#1|) |ULTIMATE.start_main_#t~short10#1| (= |ULTIMATE.start_floor_double_~x#1| .cse1) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (= currentRoundingMode roundNearestTiesToEven))) [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 71) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 36) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point L58(lines 58 70) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point L42(lines 42 47) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 68) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point L59-1(lines 59 68) no Hoare annotation was computed. [2021-12-14 13:26:36,911 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2021-12-14 13:26:36,912 INFO L854 garLoopResultBuilder]: At program point L84-2(lines 84 88) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start_floor_double_#res#1|) |ULTIMATE.start_main_#t~short10#1| (= |ULTIMATE.start_floor_double_~x#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_floor~0) (exists ((|v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_18| (_ BitVec 64)) (|v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17| (_ BitVec 32))) (let ((.cse3 (select |#memory_int| |v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11|))) (let ((.cse1 (select .cse3 (_ bv4 32)))) (and (= (select (select |#memory_int| |v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17|) (_ bv4 32)) .cse1) (= (let ((.cse2 (concat .cse1 (select .cse3 (_ bv0 32))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) |ULTIMATE.start___signbit_double_~x#1|) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_18|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_18|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_18|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_18|)) (fp.neg (_ +zero 11 53))))))) (= currentRoundingMode roundNearestTiesToEven))) [2021-12-14 13:26:36,912 INFO L858 garLoopResultBuilder]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2021-12-14 13:26:36,912 INFO L861 garLoopResultBuilder]: At program point L109(lines 93 110) the Hoare annotation is: true [2021-12-14 13:26:36,912 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 44) no Hoare annotation was computed. [2021-12-14 13:26:36,912 INFO L858 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2021-12-14 13:26:36,914 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 13:26:36,915 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 13:26:36,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] [2021-12-14 13:26:36,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,921 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,922 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,924 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] [2021-12-14 13:26:36,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,928 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,929 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,930 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,930 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,932 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,933 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] [2021-12-14 13:26:36,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,935 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] [2021-12-14 13:26:36,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,937 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,937 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,938 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:26:36 BoogieIcfgContainer [2021-12-14 13:26:36,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 13:26:36,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 13:26:36,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 13:26:36,939 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 13:26:36,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:31" (3/4) ... [2021-12-14 13:26:36,941 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-14 13:26:36,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-12-14 13:26:36,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-14 13:26:36,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-14 13:26:36,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-14 13:26:36,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_18 : bv64, v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17][4bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[51:0]) == \result) && unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_18[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_18[63:63], v_skolemized_q#valueAsBitvector_18[62:52], v_skolemized_q#valueAsBitvector_18[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-12-14 13:26:36,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && (\exists v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_18 : bv64, v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17][4bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[51:0]) == x) && unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_18[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_18[63:63], v_skolemized_q#valueAsBitvector_18[62:52], v_skolemized_q#valueAsBitvector_18[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-14 13:26:36,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_skolemized_q#valueAsBitvector_18 : bv64, v_skolemized_q#valueAsBitvector_19 : bv64, v_arrayElimCell_8 : bv32 :: (1bv32 == \result && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_19[63:63], v_skolemized_q#valueAsBitvector_19[62:52], v_skolemized_q#valueAsBitvector_19[51:0]) == ~fp~LONGDOUBLE((v_skolemized_q#valueAsBitvector_18[63:32] ++ v_arrayElimCell_8)[63:63], (v_skolemized_q#valueAsBitvector_18[63:32] ++ v_arrayElimCell_8)[62:52], (v_skolemized_q#valueAsBitvector_18[63:32] ++ v_arrayElimCell_8)[51:0])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_18[63:63], v_skolemized_q#valueAsBitvector_18[62:52], v_skolemized_q#valueAsBitvector_18[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-12-14 13:26:36,973 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 13:26:36,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 13:26:36,973 INFO L158 Benchmark]: Toolchain (without parser) took 7706.97ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 48.7MB in the end (delta: -17.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-12-14 13:26:36,974 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 13:26:36,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.98ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 31.0MB in the beginning and 50.5MB in the end (delta: -19.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 13:26:36,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.95ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 48.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 13:26:36,974 INFO L158 Benchmark]: Boogie Preprocessor took 54.52ms. Allocated memory is still 69.2MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 13:26:36,975 INFO L158 Benchmark]: RCFGBuilder took 1468.37ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 33.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 13:26:36,975 INFO L158 Benchmark]: TraceAbstraction took 5821.95ms. Allocated memory is still 69.2MB. Free memory was 33.0MB in the beginning and 22.9MB in the end (delta: 10.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-12-14 13:26:36,975 INFO L158 Benchmark]: Witness Printer took 34.57ms. Allocated memory is still 69.2MB. Free memory was 22.9MB in the beginning and 48.7MB in the end (delta: -25.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 13:26:36,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.98ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 31.0MB in the beginning and 50.5MB in the end (delta: -19.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.95ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 48.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.52ms. Allocated memory is still 69.2MB. Free memory was 48.4MB in the beginning and 46.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1468.37ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 33.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5821.95ms. Allocated memory is still 69.2MB. Free memory was 33.0MB in the beginning and 22.9MB in the end (delta: 10.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 34.57ms. Allocated memory is still 69.2MB. Free memory was 22.9MB in the beginning and 48.7MB in the end (delta: -25.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] - 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: 105]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 472 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 91 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 193 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 246 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 113 ConstructedInterpolants, 44 QuantifiedInterpolants, 1451 SizeOfPredicates, 47 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant [2021-12-14 13:26:36,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] [2021-12-14 13:26:36,988 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,989 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,990 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,990 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,991 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,992 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,992 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,992 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,992 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,992 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && (\exists v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_18 : bv64, v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17][4bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[51:0]) == x) && unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_18[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_18[63:63], v_skolemized_q#valueAsBitvector_18[62:52], v_skolemized_q#valueAsBitvector_18[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 81]: Loop Invariant [2021-12-14 13:26:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,993 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,994 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,994 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_8,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,996 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((\exists v_skolemized_q#valueAsBitvector_18 : bv64, v_skolemized_q#valueAsBitvector_19 : bv64, v_arrayElimCell_8 : bv32 :: (1bv32 == \result && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_19[63:63], v_skolemized_q#valueAsBitvector_19[62:52], v_skolemized_q#valueAsBitvector_19[51:0]) == ~fp~LONGDOUBLE((v_skolemized_q#valueAsBitvector_18[63:32] ++ v_arrayElimCell_8)[63:63], (v_skolemized_q#valueAsBitvector_18[63:32] ++ v_arrayElimCell_8)[62:52], (v_skolemized_q#valueAsBitvector_18[63:32] ++ v_arrayElimCell_8)[51:0])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_18[63:63], v_skolemized_q#valueAsBitvector_18[62:52], v_skolemized_q#valueAsBitvector_18[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 18]: Loop Invariant [2021-12-14 13:26:36,996 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] [2021-12-14 13:26:36,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,997 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,998 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,998 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,998 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:36,998 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17,QUANTIFIED] [2021-12-14 13:26:36,998 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,998 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,998 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11,QUANTIFIED] [2021-12-14 13:26:36,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:36,999 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] [2021-12-14 13:26:37,000 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_18,QUANTIFIED] Derived loop invariant: (((~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == \result && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_18 : bv64, v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17 : bv32 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#ew_u~0#1.base_17][4bv32] == unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][0bv32])[51:0]) == \result) && unknown-#memory_int-unknown[v_ULTIMATE.start_floor_double_~#iw_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_18[63:32]) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_18[63:63], v_skolemized_q#valueAsBitvector_18[62:52], v_skolemized_q#valueAsBitvector_18[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 21]: Loop Invariant [2021-12-14 13:26:37,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-14 13:26:37,000 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_floor) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-12-14 13:26:37,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE