./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float13.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 703e967d9c23f7e5c0b77f9cc7b797efc09a7a47 .................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float13.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 703e967d9c23f7e5c0b77f9cc7b797efc09a7a47 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 14:10:54,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:10:54,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:10:54,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:10:54,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:10:54,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:10:54,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:10:54,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:10:54,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:10:54,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:10:54,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:10:54,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:10:54,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:10:54,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:10:54,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:10:54,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:10:54,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:10:54,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:10:54,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:10:54,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:10:54,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:10:54,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:10:54,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:10:54,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:10:54,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:10:54,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:10:54,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:10:54,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:10:54,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:10:54,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:10:54,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:10:54,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:10:54,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:10:54,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:10:54,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:10:54,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:10:54,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:10:54,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:10:54,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:10:54,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:10:54,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:10:54,160 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:10:54,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:10:54,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:10:54,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:10:54,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:10:54,189 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:10:54,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:10:54,190 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:10:54,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:10:54,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:10:54,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:10:54,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:10:54,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:10:54,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:10:54,191 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:10:54,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:10:54,191 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:10:54,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:10:54,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:10:54,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:10:54,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:10:54,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:10:54,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:10:54,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:10:54,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:10:54,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:10:54,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:10:54,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:10:54,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:10:54,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:10:54,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 703e967d9c23f7e5c0b77f9cc7b797efc09a7a47 [2020-12-02 14:10:54,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:10:54,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:10:54,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:10:54,704 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:10:54,706 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:10:54,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-12-02 14:10:54,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df5c587e9/a18bcb60514641d6925f4964874327d0/FLAG87550e0ea [2020-12-02 14:10:55,622 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:10:55,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-12-02 14:10:55,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df5c587e9/a18bcb60514641d6925f4964874327d0/FLAG87550e0ea [2020-12-02 14:10:55,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df5c587e9/a18bcb60514641d6925f4964874327d0 [2020-12-02 14:10:55,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:10:56,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:10:56,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:10:56,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:10:56,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:10:56,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:55" (1/1) ... [2020-12-02 14:10:56,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d599fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56, skipping insertion in model container [2020-12-02 14:10:56,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:55" (1/1) ... [2020-12-02 14:10:56,053 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:10:56,099 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:10:56,376 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[497,510] [2020-12-02 14:10:56,388 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[569,582] [2020-12-02 14:10:56,393 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[631,644] [2020-12-02 14:10:56,395 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[693,706] [2020-12-02 14:10:56,396 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[764,777] [2020-12-02 14:10:56,398 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[836,849] [2020-12-02 14:10:56,399 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[895,908] [2020-12-02 14:10:56,408 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[954,967] [2020-12-02 14:10:56,414 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:10:56,431 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:10:56,459 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[497,510] [2020-12-02 14:10:56,460 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[569,582] [2020-12-02 14:10:56,461 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[631,644] [2020-12-02 14:10:56,462 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[693,706] [2020-12-02 14:10:56,463 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[764,777] [2020-12-02 14:10:56,465 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[836,849] [2020-12-02 14:10:56,466 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[895,908] [2020-12-02 14:10:56,473 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[954,967] [2020-12-02 14:10:56,475 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:10:56,502 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:10:56,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56 WrapperNode [2020-12-02 14:10:56,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:10:56,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:10:56,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:10:56,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:10:56,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:10:56,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:10:56,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:10:56,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:10:56,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2020-12-02 14:10:56,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:10:56,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:10:56,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:10:56,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:10:56,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:10:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:10:56,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:10:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 14:10:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:10:57,419 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:10:57,420 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 14:10:57,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:57 BoogieIcfgContainer [2020-12-02 14:10:57,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:10:57,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:10:57,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:10:57,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:10:57,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:10:55" (1/3) ... [2020-12-02 14:10:57,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bbe8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:57, skipping insertion in model container [2020-12-02 14:10:57,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (2/3) ... [2020-12-02 14:10:57,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bbe8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:57, skipping insertion in model container [2020-12-02 14:10:57,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:57" (3/3) ... [2020-12-02 14:10:57,433 INFO L111 eAbstractionObserver]: Analyzing ICFG float13.c [2020-12-02 14:10:57,453 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:10:57,457 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-02 14:10:57,472 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-02 14:10:57,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:10:57,504 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:10:57,504 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:10:57,504 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:10:57,504 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:10:57,505 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:10:57,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:10:57,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:10:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-12-02 14:10:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 14:10:57,531 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:10:57,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 14:10:57,532 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:10:57,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:10:57,543 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-12-02 14:10:57,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 14:10:57,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938503072] [2020-12-02 14:10:57,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 14:10:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:10:57,709 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:10:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:10:57,733 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:10:57,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 14:10:57,755 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 14:10:57,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 14:10:57,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:10:57 BoogieIcfgContainer [2020-12-02 14:10:57,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:10:57,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:10:57,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:10:57,781 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:10:57,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:57" (3/4) ... [2020-12-02 14:10:57,786 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 14:10:57,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:10:57,789 INFO L168 Benchmark]: Toolchain (without parser) took 1783.18 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 23.2 MB in the beginning and 28.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:57,790 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 37.7 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:57,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.31 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 23.7 MB in the end (delta: -739.3 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:57,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.25 ms. Allocated memory is still 46.1 MB. Free memory was 23.7 MB in the beginning and 22.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:57,793 INFO L168 Benchmark]: Boogie Preprocessor took 77.20 ms. Allocated memory is still 46.1 MB. Free memory was 22.2 MB in the beginning and 21.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:57,794 INFO L168 Benchmark]: RCFGBuilder took 729.61 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 21.1 MB in the beginning and 41.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:57,795 INFO L168 Benchmark]: TraceAbstraction took 355.66 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 28.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:57,795 INFO L168 Benchmark]: Witness Printer took 5.33 ms. Allocated memory is still 58.7 MB. Free memory was 28.5 MB in the beginning and 28.0 MB in the end (delta: 508.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:57,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 37.7 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 496.31 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 23.7 MB in the end (delta: -739.3 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.25 ms. Allocated memory is still 46.1 MB. Free memory was 23.7 MB in the beginning and 22.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.20 ms. Allocated memory is still 46.1 MB. Free memory was 22.2 MB in the beginning and 21.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 729.61 ms. Allocated memory was 46.1 MB in the beginning and 58.7 MB in the end (delta: 12.6 MB). Free memory was 21.1 MB in the beginning and 41.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 355.66 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 28.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.33 ms. Allocated memory is still 58.7 MB. Free memory was 28.5 MB in the beginning and 28.0 MB in the end (delta: 508.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAT_SMToperation at line 5, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 14. Possible FailurePath: [L5] const float plus_infinity = 1.0f/0.0f; [L6] const float minus_infinity = 0.0f/-0.0f; [L7] const float NaN = 0.0f * (1.0f/0.0f); [L11] _Bool temp; [L14] temp = NaN < plus_infinity [L15] COND TRUE !(!temp) [L15] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 14:11:01,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:11:01,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:11:01,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:11:01,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:11:01,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:11:01,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:11:01,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:11:01,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:11:01,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:11:01,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:11:01,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:11:01,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:11:01,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:11:01,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:11:01,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:11:01,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:11:01,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:11:01,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:11:01,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:11:01,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:11:01,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:11:01,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:11:01,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:11:01,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:11:01,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:11:01,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:11:01,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:11:01,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:11:01,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:11:01,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:11:01,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:11:01,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:11:01,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:11:01,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:11:01,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:11:01,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:11:01,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:11:01,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:11:01,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:11:01,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:11:01,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:11:01,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:11:01,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:11:01,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:11:01,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:11:01,667 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:11:01,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:11:01,670 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:11:01,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:11:01,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:11:01,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:11:01,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:11:01,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:11:01,672 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:11:01,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:11:01,673 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:11:01,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:11:01,674 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:11:01,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:11:01,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:11:01,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:11:01,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:11:01,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:11:01,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:11:01,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:11:01,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:11:01,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:11:01,680 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:11:01,680 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:11:01,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:11:01,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:11:01,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:11:01,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 703e967d9c23f7e5c0b77f9cc7b797efc09a7a47 [2020-12-02 14:11:02,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:11:02,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:11:02,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:11:02,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:11:02,246 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:11:02,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-12-02 14:11:02,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042ef5988/647f718427ea425fb4b047e0da6f41ad/FLAG9d26c5ba6 [2020-12-02 14:11:03,140 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:11:03,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-12-02 14:11:03,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042ef5988/647f718427ea425fb4b047e0da6f41ad/FLAG9d26c5ba6 [2020-12-02 14:11:03,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/042ef5988/647f718427ea425fb4b047e0da6f41ad [2020-12-02 14:11:03,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:11:03,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:11:03,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:11:03,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:11:03,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:11:03,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:03" (1/1) ... [2020-12-02 14:11:03,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eca797c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:03, skipping insertion in model container [2020-12-02 14:11:03,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:03" (1/1) ... [2020-12-02 14:11:03,506 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:11:03,533 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:11:03,869 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[497,510] [2020-12-02 14:11:03,878 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[569,582] [2020-12-02 14:11:03,880 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[631,644] [2020-12-02 14:11:03,884 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[693,706] [2020-12-02 14:11:03,887 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[764,777] [2020-12-02 14:11:03,890 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[836,849] [2020-12-02 14:11:03,898 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[895,908] [2020-12-02 14:11:03,900 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[954,967] [2020-12-02 14:11:03,903 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:11:03,936 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:11:03,966 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[497,510] [2020-12-02 14:11:03,968 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[569,582] [2020-12-02 14:11:03,971 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[631,644] [2020-12-02 14:11:03,974 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[693,706] [2020-12-02 14:11:03,977 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[764,777] [2020-12-02 14:11:03,979 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[836,849] [2020-12-02 14:11:03,982 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[895,908] [2020-12-02 14:11:03,984 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c[954,967] [2020-12-02 14:11:03,988 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:11:04,017 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:11:04,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04 WrapperNode [2020-12-02 14:11:04,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:11:04,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:11:04,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:11:04,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:11:04,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:11:04,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:11:04,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:11:04,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:11:04,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... [2020-12-02 14:11:04,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:11:04,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:11:04,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:11:04,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:11:04,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:11:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:11:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:11:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:11:04,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:11:04,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 14:11:04,788 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:11:04,788 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 14:11:04,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:04 BoogieIcfgContainer [2020-12-02 14:11:04,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:11:04,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:11:04,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:11:04,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:11:04,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:11:03" (1/3) ... [2020-12-02 14:11:04,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc4efd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:04, skipping insertion in model container [2020-12-02 14:11:04,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:04" (2/3) ... [2020-12-02 14:11:04,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc4efd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:04, skipping insertion in model container [2020-12-02 14:11:04,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:04" (3/3) ... [2020-12-02 14:11:04,803 INFO L111 eAbstractionObserver]: Analyzing ICFG float13.c [2020-12-02 14:11:04,825 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:11:04,831 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-02 14:11:04,848 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-02 14:11:04,902 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:11:04,902 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:11:04,903 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:11:04,903 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:11:04,903 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:11:04,903 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:11:04,904 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:11:04,904 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:11:04,941 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-12-02 14:11:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 14:11:04,955 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:11:04,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 14:11:04,956 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:11:04,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:11:04,972 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-12-02 14:11:04,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:11:05,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565229380] [2020-12-02 14:11:05,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 14:11:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:11:06,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 14:11:06,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:11:08,140 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-02 14:11:08,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 14:11:08,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 14:11:08,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 14:11:08,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:11:08,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:11:09,664 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 14:11:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:11:09,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565229380] [2020-12-02 14:11:09,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:11:09,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-12-02 14:11:09,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854042006] [2020-12-02 14:11:09,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 14:11:09,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:11:09,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 14:11:09,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-02 14:11:09,732 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 5 states. [2020-12-02 14:11:13,129 WARN L197 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 42 [2020-12-02 14:11:25,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:11:25,383 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2020-12-02 14:11:25,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 14:11:25,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2020-12-02 14:11:25,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:11:25,471 INFO L225 Difference]: With dead ends: 55 [2020-12-02 14:11:25,471 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 14:11:25,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:11:25,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 14:11:25,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 14:11:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 14:11:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 14:11:25,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-12-02 14:11:25,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:11:25,506 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 14:11:25,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 14:11:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 14:11:25,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 14:11:25,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 14:11:25,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 14:11:30,092 WARN L197 SmtUtils]: Spent 4.29 s on a formula simplification that was a NOOP. DAG size: 42 [2020-12-02 14:11:30,101 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2020-12-02 14:11:30,102 INFO L262 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-12-02 14:11:30,102 INFO L262 CegarLoopResult]: For program point L27-1(line 27) no Hoare annotation was computed. [2020-12-02 14:11:30,107 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2020-12-02 14:11:30,107 INFO L262 CegarLoopResult]: For program point L27-3(line 27) no Hoare annotation was computed. [2020-12-02 14:11:30,107 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-12-02 14:11:30,108 INFO L262 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-12-02 14:11:30,108 INFO L262 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2020-12-02 14:11:30,108 INFO L262 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-12-02 14:11:30,108 INFO L262 CegarLoopResult]: For program point L36-1(line 36) no Hoare annotation was computed. [2020-12-02 14:11:30,111 INFO L262 CegarLoopResult]: For program point L36-3(line 36) no Hoare annotation was computed. [2020-12-02 14:11:30,111 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 14:11:30,111 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2020-12-02 14:11:30,111 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point L24-3(line 24) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point L33-1(line 33) no Hoare annotation was computed. [2020-12-02 14:11:30,112 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2020-12-02 14:11:30,113 INFO L262 CegarLoopResult]: For program point L33-3(line 33) no Hoare annotation was computed. [2020-12-02 14:11:30,113 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2020-12-02 14:11:30,113 INFO L262 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-12-02 14:11:30,113 INFO L262 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-12-02 14:11:30,113 INFO L262 CegarLoopResult]: For program point L21-3(line 21) no Hoare annotation was computed. [2020-12-02 14:11:30,114 INFO L258 CegarLoopResult]: At program point L38(lines 9 39) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6| (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6| (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6| (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) ((_ extract 30 23) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) ((_ extract 22 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6|) ((_ extract 30 23) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6|) ((_ extract 22 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6|) ((_ extract 30 23) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6|) ((_ extract 22 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6|) ((_ extract 30 23) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6|) ((_ extract 22 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6|)))) (and (= (_ +zero 8 24) .cse0) (= (_ +zero 8 24) .cse1) (= (fp ((_ extract 31 31) ~NaN~0) ((_ extract 30 23) ~NaN~0) ((_ extract 22 0) ~NaN~0)) (fp.mul roundNearestTiesToEven .cse0 .cse2)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse3) (= .cse2 (fp.div roundNearestTiesToEven .cse3 .cse1))))) (= (_ bv0 8) ULTIMATE.start_main_~temp~0)) [2020-12-02 14:11:30,114 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2020-12-02 14:11:30,125 INFO L262 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-12-02 14:11:30,125 INFO L262 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2020-12-02 14:11:30,125 INFO L262 CegarLoopResult]: For program point L30-3(line 30) no Hoare annotation was computed. [2020-12-02 14:11:30,126 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2020-12-02 14:11:30,126 INFO L262 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-12-02 14:11:30,126 INFO L262 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-12-02 14:11:30,126 INFO L262 CegarLoopResult]: For program point L18-3(line 18) no Hoare annotation was computed. [2020-12-02 14:11:30,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,205 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:11:30 BoogieIcfgContainer [2020-12-02 14:11:30,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:11:30,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:11:30,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:11:30,223 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:11:30,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:04" (3/4) ... [2020-12-02 14:11:30,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 14:11:30,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-02 14:11:30,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-02 14:11:30,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:11:30,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:11:30,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6 : bv32, v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6 : bv32, v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6 : bv32, v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6 : bv32 :: (((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[22:0]) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[22:0])) && ~fp~LONGDOUBLE(NaN[31:31], NaN[30:23], NaN[22:0]) == ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[22:0]))) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[22:0])) && ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[22:0]))) && 0bv8 == temp [2020-12-02 14:11:30,392 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 14:11:30,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:11:30,395 INFO L168 Benchmark]: Toolchain (without parser) took 26925.05 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.9 MB in the beginning and 30.4 MB in the end (delta: 499.9 kB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:30,399 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory is still 30.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:11:30,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.71 ms. Allocated memory is still 54.5 MB. Free memory was 30.7 MB in the beginning and 34.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:30,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.67 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 32.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:30,404 INFO L168 Benchmark]: Boogie Preprocessor took 71.97 ms. Allocated memory is still 54.5 MB. Free memory was 32.5 MB in the beginning and 31.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:30,405 INFO L168 Benchmark]: RCFGBuilder took 612.77 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.0 MB in the beginning and 39.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:30,406 INFO L168 Benchmark]: TraceAbstraction took 25424.96 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 33.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:30,406 INFO L168 Benchmark]: Witness Printer took 171.14 ms. Allocated memory is still 69.2 MB. Free memory was 33.7 MB in the beginning and 30.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:11:30,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory is still 30.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 543.71 ms. Allocated memory is still 54.5 MB. Free memory was 30.7 MB in the beginning and 34.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.67 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 32.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.97 ms. Allocated memory is still 54.5 MB. Free memory was 32.5 MB in the beginning and 31.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 612.77 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.0 MB in the beginning and 39.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25424.96 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 33.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Witness Printer took 171.14 ms. Allocated memory is still 69.2 MB. Free memory was 33.7 MB in the beginning and 30.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 27]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 36]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 30]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 24]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant [2020-12-02 14:11:30,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,451 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6,QUANTIFIED] [2020-12-02 14:11:30,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6,QUANTIFIED] [2020-12-02 14:11:30,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 14:11:30,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6,QUANTIFIED] [2020-12-02 14:11:30,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] [2020-12-02 14:11:30,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6 : bv32, v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6 : bv32, v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6 : bv32, v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6 : bv32 :: (((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[22:0]) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[22:0])) && ~fp~LONGDOUBLE(NaN[31:31], NaN[30:23], NaN[22:0]) == ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[22:0]))) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[22:0])) && ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet17_6[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet15_6[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[31:31], v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[30:23], v_ULTIMATE.start_ULTIMATE.init_#t~nondet16_6[22:0]))) && 0bv8 == temp - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 23 SDslu, 1 SDs, 0 SdLazy, 16 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, 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: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 83 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 2 QuantifiedInterpolants, 312 SizeOfPredicates, 4 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be correct! Received shutdown request...