./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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_0490a.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 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:30:12,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:30:12,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:30:12,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:30:12,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:30:12,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:30:12,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:30:12,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:30:12,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:30:12,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:30:12,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:30:12,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:30:12,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:30:12,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:30:12,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:30:12,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:30:12,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:30:12,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:30:12,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:30:13,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:30:13,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:30:13,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:30:13,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:30:13,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:30:13,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:30:13,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:30:13,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:30:13,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:30:13,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:30:13,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:30:13,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:30:13,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:30:13,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:30:13,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:30:13,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:30:13,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:30:13,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:30:13,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:30:13,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:30:13,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:30:13,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:30:13,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 10:30:13,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:30:13,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:30:13,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:30:13,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:30:13,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:30:13,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:30:13,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:30:13,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:30:13,045 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:30:13,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:30:13,046 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:30:13,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 10:30:13,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:30:13,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:30:13,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:30:13,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:30:13,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:30:13,047 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:30:13,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:30:13,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:30:13,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:30:13,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:30:13,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:30:13,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:30:13,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:30:13,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:30:13,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:30:13,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:30:13,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 10:30:13,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 10:30:13,050 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:30:13,050 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:30:13,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:30:13,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:30:13,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 [2021-12-15 10:30:13,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:30:13,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:30:13,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:30:13,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:30:13,278 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:30:13,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2021-12-15 10:30:13,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5df44180/a4586e15bddf48fb9b768316ec085aed/FLAGb835916be [2021-12-15 10:30:13,706 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:30:13,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2021-12-15 10:30:13,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5df44180/a4586e15bddf48fb9b768316ec085aed/FLAGb835916be [2021-12-15 10:30:14,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5df44180/a4586e15bddf48fb9b768316ec085aed [2021-12-15 10:30:14,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:30:14,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:30:14,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:30:14,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:30:14,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:30:14,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138b4188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14, skipping insertion in model container [2021-12-15 10:30:14,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:30:14,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:30:14,403 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_0490a.c[9221,9234] [2021-12-15 10:30:14,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:30:14,410 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:30:14,473 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_0490a.c[9221,9234] [2021-12-15 10:30:14,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:30:14,485 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:30:14,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14 WrapperNode [2021-12-15 10:30:14,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:30:14,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:30:14,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:30:14,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:30:14,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,538 INFO L137 Inliner]: procedures = 23, calls = 63, calls flagged for inlining = 5, calls inlined = 4, statements flattened = 133 [2021-12-15 10:30:14,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:30:14,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:30:14,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:30:14,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:30:14,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:30:14,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:30:14,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:30:14,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:30:14,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (1/1) ... [2021-12-15 10:30:14,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:30:14,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:30:14,609 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) [2021-12-15 10:30:14,612 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 [2021-12-15 10:30:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:30:14,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 10:30:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 10:30:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2021-12-15 10:30:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2021-12-15 10:30:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-15 10:30:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 10:30:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-15 10:30:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:30:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:30:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 10:30:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:30:14,758 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:30:14,760 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:30:15,009 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:30:15,013 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:30:15,014 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-15 10:30:15,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:30:15 BoogieIcfgContainer [2021-12-15 10:30:15,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:30:15,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:30:15,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:30:15,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:30:15,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:30:14" (1/3) ... [2021-12-15 10:30:15,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa03ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:30:15, skipping insertion in model container [2021-12-15 10:30:15,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:14" (2/3) ... [2021-12-15 10:30:15,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa03ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:30:15, skipping insertion in model container [2021-12-15 10:30:15,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:30:15" (3/3) ... [2021-12-15 10:30:15,021 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2021-12-15 10:30:15,024 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:30:15,024 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:30:15,054 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:30:15,059 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 [2021-12-15 10:30:15,059 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:30:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-15 10:30:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 10:30:15,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:30:15,076 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:30:15,076 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:30:15,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:30:15,080 INFO L85 PathProgramCache]: Analyzing trace with hash 807600397, now seen corresponding path program 1 times [2021-12-15 10:30:15,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 10:30:15,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915271383] [2021-12-15 10:30:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:30:15,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 10:30:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 10:30:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 10:30:15,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 10:30:15,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915271383] [2021-12-15 10:30:15,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915271383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 10:30:15,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 10:30:15,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 10:30:15,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004083044] [2021-12-15 10:30:15,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 10:30:15,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 10:30:15,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 10:30:15,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 10:30:15,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 10:30:15,233 INFO L87 Difference]: Start difference. First operand has 70 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2021-12-15 10:30:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 10:30:15,263 INFO L93 Difference]: Finished difference Result 138 states and 222 transitions. [2021-12-15 10:30:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 10:30:15,265 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 [2021-12-15 10:30:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 10:30:15,271 INFO L225 Difference]: With dead ends: 138 [2021-12-15 10:30:15,271 INFO L226 Difference]: Without dead ends: 67 [2021-12-15 10:30:15,275 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 [2021-12-15 10:30:15,278 INFO L933 BasicCegarLoop]: 96 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, 96 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 [2021-12-15 10:30:15,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 10:30:15,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-12-15 10:30:15,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-12-15 10:30:15,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 63 states have internal predecessors, (89), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-15 10:30:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-12-15 10:30:15,323 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 11 [2021-12-15 10:30:15,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 10:30:15,324 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-12-15 10:30:15,324 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) [2021-12-15 10:30:15,324 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-12-15 10:30:15,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 10:30:15,325 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:30:15,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:30:15,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 10:30:15,326 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:30:15,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:30:15,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1074852024, now seen corresponding path program 1 times [2021-12-15 10:30:15,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 10:30:15,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412404946] [2021-12-15 10:30:15,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:30:15,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 10:30:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 10:30:15,383 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 10:30:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 10:30:15,448 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 10:30:15,449 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-15 10:30:15,450 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 10:30:15,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 10:30:15,454 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-15 10:30:15,456 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 10:30:15,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:30:15 BoogieIcfgContainer [2021-12-15 10:30:15,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 10:30:15,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 10:30:15,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 10:30:15,480 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 10:30:15,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:30:15" (3/4) ... [2021-12-15 10:30:15,482 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 10:30:15,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 10:30:15,483 INFO L158 Benchmark]: Toolchain (without parser) took 1340.12ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 39.9MB in the end (delta: 47.7MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-12-15 10:30:15,483 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 123.7MB. Free memory was 94.6MB in the beginning and 94.6MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:30:15,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.22ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 91.5MB in the end (delta: -4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 10:30:15,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.14ms. Allocated memory is still 123.7MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:30:15,484 INFO L158 Benchmark]: Boogie Preprocessor took 24.74ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:30:15,485 INFO L158 Benchmark]: RCFGBuilder took 450.58ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 68.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 10:30:15,485 INFO L158 Benchmark]: TraceAbstraction took 462.62ms. Allocated memory is still 123.7MB. Free memory was 67.8MB in the beginning and 39.9MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 10:30:15,485 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 123.7MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:30:15,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 123.7MB. Free memory was 94.6MB in the beginning and 94.6MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.22ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 91.5MB in the end (delta: -4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.14ms. Allocated memory is still 123.7MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.74ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.58ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 68.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 462.62ms. Allocated memory is still 123.7MB. Free memory was 67.8MB in the beginning and 39.9MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 123.7MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 379]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 287, overapproximation of someBinaryArithmeticDOUBLEoperation at line 323, overapproximation of bitwiseAnd at line 305, overapproximation of someBinaryDOUBLEComparisonOperation at line 103. Possible FailurePath: [L18] static const double huge_floor = 1.0e300; [L170] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L282-L295] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L374] double x = 1.0 / 0.0; [L375] CALL, EXPR __ieee754_acos(x) [L298] double z, p, q, r, w, s, c, df; [L299] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L301] ieee_double_shape_type gh_u; [L302] gh_u.value = (x) [L303] EXPR gh_u.parts.msw [L303] (hx) = gh_u.parts.msw [L305] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L306] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L321] COND TRUE ix < 0x3fe00000 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L322] COND TRUE ix <= 0x3c600000 [L323] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] [L375] RET, EXPR __ieee754_acos(x) [L375] double res = __ieee754_acos(x); [L378] CALL, EXPR isnan_double(res) [L103] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002] [L378] RET, EXPR isnan_double(res) [L378] COND TRUE !isnan_double(res) [L379] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 96 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, 96 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=70occurred 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, 0.0s 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 [2021-12-15 10:30:15,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0490a.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 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:30:17,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:30:17,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:30:17,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:30:17,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:30:17,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:30:17,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:30:17,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:30:17,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:30:17,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:30:17,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:30:17,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:30:17,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:30:17,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:30:17,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:30:17,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:30:17,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:30:17,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:30:17,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:30:17,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:30:17,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:30:17,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:30:17,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:30:17,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:30:17,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:30:17,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:30:17,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:30:17,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:30:17,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:30:17,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:30:17,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:30:17,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:30:17,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:30:17,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:30:17,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:30:17,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:30:17,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:30:17,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:30:17,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:30:17,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:30:17,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:30:17,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 10:30:17,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:30:17,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:30:17,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:30:17,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:30:17,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:30:17,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:30:17,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:30:17,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:30:17,516 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:30:17,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:30:17,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:30:17,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:30:17,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:30:17,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:30:17,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:30:17,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:30:17,518 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 10:30:17,518 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 10:30:17,518 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 10:30:17,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:30:17,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:30:17,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:30:17,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:30:17,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:30:17,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:30:17,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:30:17,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:30:17,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:30:17,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:30:17,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:30:17,520 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 10:30:17,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 10:30:17,520 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:30:17,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:30:17,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:30:17,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:30:17,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 10:30:17,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 645ab6f24d7ac919c75df3e665bf5bdaeb704763800d7cec7548dac26b197413 [2021-12-15 10:30:17,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:30:17,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:30:17,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:30:17,745 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:30:17,746 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:30:17,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2021-12-15 10:30:17,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c161b3ec0/f695563cb02b41f485fec0592d672154/FLAG4d02dd21e [2021-12-15 10:30:18,185 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:30:18,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0490a.c [2021-12-15 10:30:18,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c161b3ec0/f695563cb02b41f485fec0592d672154/FLAG4d02dd21e [2021-12-15 10:30:18,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c161b3ec0/f695563cb02b41f485fec0592d672154 [2021-12-15 10:30:18,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:30:18,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:30:18,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:30:18,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:30:18,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:30:18,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eaa3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18, skipping insertion in model container [2021-12-15 10:30:18,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:30:18,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:30:18,460 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_0490a.c[9221,9234] [2021-12-15 10:30:18,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:30:18,474 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:30:18,549 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_0490a.c[9221,9234] [2021-12-15 10:30:18,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:30:18,576 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:30:18,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18 WrapperNode [2021-12-15 10:30:18,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:30:18,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:30:18,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:30:18,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:30:18,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,652 INFO L137 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 5, calls inlined = 4, statements flattened = 133 [2021-12-15 10:30:18,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:30:18,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:30:18,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:30:18,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:30:18,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:30:18,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:30:18,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:30:18,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:30:18,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (1/1) ... [2021-12-15 10:30:18,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:30:18,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:30:18,710 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) [2021-12-15 10:30:18,718 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 [2021-12-15 10:30:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:30:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-15 10:30:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-15 10:30:18,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 10:30:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 10:30:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 10:30:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2021-12-15 10:30:18,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2021-12-15 10:30:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:30:18,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:30:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 10:30:18,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:30:18,843 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:30:18,844 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:30:35,174 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:30:35,179 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:30:35,179 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-15 10:30:35,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:30:35 BoogieIcfgContainer [2021-12-15 10:30:35,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:30:35,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:30:35,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:30:35,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:30:35,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:30:18" (1/3) ... [2021-12-15 10:30:35,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@907c497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:30:35, skipping insertion in model container [2021-12-15 10:30:35,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:30:18" (2/3) ... [2021-12-15 10:30:35,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@907c497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:30:35, skipping insertion in model container [2021-12-15 10:30:35,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:30:35" (3/3) ... [2021-12-15 10:30:35,196 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0490a.c [2021-12-15 10:30:35,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:30:35,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:30:35,234 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:30:35,240 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 [2021-12-15 10:30:35,240 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:30:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-15 10:30:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 10:30:35,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:30:35,257 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:30:35,258 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:30:35,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:30:35,262 INFO L85 PathProgramCache]: Analyzing trace with hash 807600397, now seen corresponding path program 1 times [2021-12-15 10:30:35,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:30:35,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717027192] [2021-12-15 10:30:35,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:30:35,270 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:30:35,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:30:35,272 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) [2021-12-15 10:30:35,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 10:30:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 10:30:35,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-15 10:30:35,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 10:30:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 10:30:36,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 10:30:36,326 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 10:30:36,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717027192] [2021-12-15 10:30:36,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717027192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 10:30:36,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 10:30:36,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 10:30:36,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518503510] [2021-12-15 10:30:36,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 10:30:36,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 10:30:36,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 10:30:36,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 10:30:36,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 10:30:36,349 INFO L87 Difference]: Start difference. First operand has 70 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2021-12-15 10:30:36,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 10:30:36,366 INFO L93 Difference]: Finished difference Result 138 states and 222 transitions. [2021-12-15 10:30:36,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 10:30:36,367 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 [2021-12-15 10:30:36,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 10:30:36,372 INFO L225 Difference]: With dead ends: 138 [2021-12-15 10:30:36,372 INFO L226 Difference]: Without dead ends: 67 [2021-12-15 10:30:36,374 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 [2021-12-15 10:30:36,377 INFO L933 BasicCegarLoop]: 96 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, 96 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 [2021-12-15 10:30:36,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 10:30:36,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-12-15 10:30:36,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-12-15 10:30:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 63 states have internal predecessors, (89), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-15 10:30:36,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-12-15 10:30:36,415 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 11 [2021-12-15 10:30:36,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 10:30:36,415 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-12-15 10:30:36,415 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) [2021-12-15 10:30:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-12-15 10:30:36,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 10:30:36,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:30:36,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:30:36,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 10:30:36,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 10:30:36,636 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:30:36,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:30:36,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1074852024, now seen corresponding path program 1 times [2021-12-15 10:30:36,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:30:36,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921213156] [2021-12-15 10:30:36,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:30:36,638 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:30:36,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:30:36,645 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) [2021-12-15 10:30:36,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-15 10:30:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 10:30:36,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 10:30:36,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 10:30:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 10:30:38,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 10:30:38,889 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 10:30:38,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921213156] [2021-12-15 10:30:38,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [921213156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 10:30:38,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 10:30:38,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 10:30:38,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339115849] [2021-12-15 10:30:38,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 10:30:38,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-15 10:30:38,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 10:30:38,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 10:30:38,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 10:30:38,891 INFO L87 Difference]: Start difference. First operand 67 states and 93 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) [2021-12-15 10:30:38,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 10:30:38,899 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2021-12-15 10:30:38,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 10:30:38,899 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 [2021-12-15 10:30:38,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 10:30:38,899 INFO L225 Difference]: With dead ends: 72 [2021-12-15 10:30:38,900 INFO L226 Difference]: Without dead ends: 15 [2021-12-15 10:30:38,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 10:30:38,901 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 10:30:38,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-12-15 10:30:38,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-12-15 10:30:38,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-12-15 10:30:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 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) [2021-12-15 10:30:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-12-15 10:30:38,904 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2021-12-15 10:30:38,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 10:30:38,905 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-12-15 10:30:38,905 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) [2021-12-15 10:30:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-12-15 10:30:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-15 10:30:38,906 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:30:38,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:30:38,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-15 10:30:39,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 10:30:39,117 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:30:39,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:30:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1734315249, now seen corresponding path program 1 times [2021-12-15 10:30:39,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:30:39,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326850921] [2021-12-15 10:30:39,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:30:39,119 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:30:39,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:30:39,121 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) [2021-12-15 10:30:39,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-15 10:30:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 10:30:39,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-15 10:30:39,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 10:30:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 10:30:43,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 10:30:43,158 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 10:30:43,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326850921] [2021-12-15 10:30:43,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326850921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 10:30:43,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 10:30:43,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 10:30:43,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540435402] [2021-12-15 10:30:43,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 10:30:43,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-15 10:30:43,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 10:30:43,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 10:30:43,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-15 10:30:43,159 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-12-15 10:30:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 10:30:48,123 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-12-15 10:30:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 10:30:48,126 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2021-12-15 10:30:48,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 10:30:48,127 INFO L225 Difference]: With dead ends: 20 [2021-12-15 10:30:48,127 INFO L226 Difference]: Without dead ends: 15 [2021-12-15 10:30:48,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-15 10:30:48,128 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 30 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-15 10:30:48,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 35 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-15 10:30:48,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-12-15 10:30:48,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-12-15 10:30:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 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) [2021-12-15 10:30:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-12-15 10:30:48,130 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2021-12-15 10:30:48,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 10:30:48,130 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-12-15 10:30:48,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-12-15 10:30:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-12-15 10:30:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-15 10:30:48,130 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:30:48,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:30:48,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-15 10:30:48,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 10:30:48,332 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:30:48,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:30:48,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1833394996, now seen corresponding path program 1 times [2021-12-15 10:30:48,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:30:48,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868974633] [2021-12-15 10:30:48,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:30:48,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:30:48,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:30:48,336 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) [2021-12-15 10:30:48,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-15 10:30:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 10:30:48,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 10:30:48,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 10:30:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 10:30:51,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 10:30:51,179 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 10:30:51,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868974633] [2021-12-15 10:30:51,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868974633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 10:30:51,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 10:30:51,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 10:30:51,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772002698] [2021-12-15 10:30:51,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 10:30:51,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-15 10:30:51,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 10:30:51,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 10:30:51,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 10:30:51,180 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-12-15 10:30:51,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 10:30:51,181 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2021-12-15 10:30:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 10:30:51,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2021-12-15 10:30:51,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 10:30:51,182 INFO L225 Difference]: With dead ends: 15 [2021-12-15 10:30:51,182 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 10:30:51,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 10:30:51,183 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 10:30:51,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-12-15 10:30:51,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 10:30:51,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 10:30:51,183 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) [2021-12-15 10:30:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 10:30:51,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-12-15 10:30:51,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 10:30:51,184 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 10:30:51,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-12-15 10:30:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 10:30:51,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 10:30:51,186 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 10:30:51,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-15 10:30:51,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 10:30:51,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 10:30:53,180 INFO L861 garLoopResultBuilder]: At program point __ieee754_sqrtENTRY(lines 172 280) the Hoare annotation is: true [2021-12-15 10:30:53,180 INFO L858 garLoopResultBuilder]: For program point L192(lines 192 193) no Hoare annotation was computed. [2021-12-15 10:30:53,180 INFO L858 garLoopResultBuilder]: For program point __ieee754_sqrtFINAL(lines 172 280) no Hoare annotation was computed. [2021-12-15 10:30:53,180 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 244) no Hoare annotation was computed. [2021-12-15 10:30:53,180 INFO L858 garLoopResultBuilder]: For program point L243-2(lines 243 244) no Hoare annotation was computed. [2021-12-15 10:30:53,180 INFO L861 garLoopResultBuilder]: At program point L235-2(lines 235 251) the Hoare annotation is: true [2021-12-15 10:30:53,180 INFO L858 garLoopResultBuilder]: For program point L235-3(lines 172 280) no Hoare annotation was computed. [2021-12-15 10:30:53,180 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 265) no Hoare annotation was computed. [2021-12-15 10:30:53,180 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 214) no Hoare annotation was computed. [2021-12-15 10:30:53,181 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 178 183) no Hoare annotation was computed. [2021-12-15 10:30:53,181 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 211 214) no Hoare annotation was computed. [2021-12-15 10:30:53,181 INFO L861 garLoopResultBuilder]: At program point L178-2(lines 178 183) the Hoare annotation is: true [2021-12-15 10:30:53,181 INFO L858 garLoopResultBuilder]: For program point L178-3(lines 172 280) no Hoare annotation was computed. [2021-12-15 10:30:53,181 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 204) no Hoare annotation was computed. [2021-12-15 10:30:53,181 INFO L861 garLoopResultBuilder]: At program point L203-3(lines 203 204) the Hoare annotation is: true [2021-12-15 10:30:53,181 INFO L858 garLoopResultBuilder]: For program point L203-4(lines 203 204) no Hoare annotation was computed. [2021-12-15 10:30:53,181 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 262) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L261-2(lines 261 262) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 267) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 271) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 270 271) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 247) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L238-2(lines 238 247) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 208) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L197-2(lines 197 208) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 266) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 194) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L861 garLoopResultBuilder]: At program point L222-2(lines 222 232) the Hoare annotation is: true [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point __ieee754_sqrtEXIT(lines 172 280) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 194) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L222-3(lines 222 232) no Hoare annotation was computed. [2021-12-15 10:30:53,182 INFO L861 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: true [2021-12-15 10:30:53,182 INFO L858 garLoopResultBuilder]: For program point L198-3(lines 198 202) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 193) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 241) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L273-1(lines 273 278) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L861 garLoopResultBuilder]: At program point L273-2(lines 273 278) the Hoare annotation is: true [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L240-2(lines 240 241) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L273-3(lines 273 278) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 265) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 228) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L224-2(lines 224 228) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L349-1(lines 349 354) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L854 garLoopResultBuilder]: At program point L349-2(lines 349 354) the Hoare annotation is: false [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L349-3(lines 349 354) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 381) no Hoare annotation was computed. [2021-12-15 10:30:53,183 INFO L854 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: false [2021-12-15 10:30:53,183 INFO L858 garLoopResultBuilder]: For program point L341-1(line 341) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point L308-1(lines 308 312) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L854 garLoopResultBuilder]: At program point L308-2(lines 308 312) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_acos_~ix~0#1| (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|))))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point L308-3(lines 306 320) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 365) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point L300-1(lines 300 304) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L854 garLoopResultBuilder]: At program point L300-2(lines 300 304) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point L300-3(lines 300 304) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 365) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L861 garLoopResultBuilder]: At program point L383(lines 368 384) the Hoare annotation is: true [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point L379(line 379) no Hoare annotation was computed. [2021-12-15 10:30:53,184 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2021-12-15 10:30:53,185 INFO L854 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_#res#1| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= |ULTIMATE.start_isnan_double_#res#1| (_ bv1 32))) [2021-12-15 10:30:53,185 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 323) no Hoare annotation was computed. [2021-12-15 10:30:53,185 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 10:30:53,185 INFO L854 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: false [2021-12-15 10:30:53,185 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 317) no Hoare annotation was computed. [2021-12-15 10:30:53,185 INFO L858 garLoopResultBuilder]: For program point L347-1(line 347) no Hoare annotation was computed. [2021-12-15 10:30:53,185 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 320) no Hoare annotation was computed. [2021-12-15 10:30:53,185 INFO L854 garLoopResultBuilder]: At program point L364(lines 297 366) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_acos_#res#1| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2021-12-15 10:30:53,187 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-15 10:30:53,188 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 10:30:53,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,212 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,218 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,224 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-15 10:30:53,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-15 10:30:53,225 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,227 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,229 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-15 10:30:53,232 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-15 10:30:53,233 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:30:53 BoogieIcfgContainer [2021-12-15 10:30:53,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 10:30:53,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 10:30:53,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 10:30:53,238 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 10:30:53,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:30:35" (3/4) ... [2021-12-15 10:30:53,241 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 10:30:53,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2021-12-15 10:30:53,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2021-12-15 10:30:53,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-15 10:30:53,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-15 10:30:53,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 10:30:53,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_skolemized_q#valueAsBitvector_15 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) [2021-12-15 10:30:53,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) [2021-12-15 10:30:53,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == 1bv32 [2021-12-15 10:30:53,291 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 10:30:53,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 10:30:53,292 INFO L158 Benchmark]: Toolchain (without parser) took 35084.91ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 43.4MB in the end (delta: -16.9MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2021-12-15 10:30:53,292 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:30:53,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.95ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 26.3MB in the beginning and 41.8MB in the end (delta: -15.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-15 10:30:53,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.73ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 39.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:30:53,293 INFO L158 Benchmark]: Boogie Preprocessor took 29.57ms. Allocated memory is still 67.1MB. Free memory was 39.7MB in the beginning and 37.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:30:53,293 INFO L158 Benchmark]: RCFGBuilder took 16506.10ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 48.1MB in the end (delta: -10.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-12-15 10:30:53,293 INFO L158 Benchmark]: TraceAbstraction took 18045.79ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 29.8MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-12-15 10:30:53,294 INFO L158 Benchmark]: Witness Printer took 53.57ms. Allocated memory is still 67.1MB. Free memory was 29.8MB in the beginning and 43.4MB in the end (delta: -13.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 10:30:53,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.95ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 26.3MB in the beginning and 41.8MB in the end (delta: -15.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.73ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 39.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.57ms. Allocated memory is still 67.1MB. Free memory was 39.7MB in the beginning and 37.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16506.10ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 48.1MB in the end (delta: -10.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * TraceAbstraction took 18045.79ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 29.8MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 53.57ms. Allocated memory is still 67.1MB. Free memory was 29.8MB in the beginning and 43.4MB in the end (delta: -13.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,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_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] - 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: 379]: 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 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 17 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 123 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 36 PreInvPairs, 41 NumberOfFragments, 148 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 11 QuantifiedInterpolants, 357 SizeOfPredicates, 24 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 103]: Loop Invariant [2021-12-15 10:30:53,305 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,306 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,307 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,308 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == 1bv32 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant [2021-12-15 10:30:53,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,309 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,310 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,311 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 300]: Loop Invariant [2021-12-15 10:30:53,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 308]: Loop Invariant [2021-12-15 10:30:53,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-15 10:30:53,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-15 10:30:53,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,313 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-15 10:30:53,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-15 10:30:53,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-15 10:30:53,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_15,QUANTIFIED] [2021-12-15 10:30:53,314 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists v_skolemized_q#valueAsBitvector_15 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 10:30:53,545 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-15 10:30:53,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE