./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float-to-double2.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/float-to-double2.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 bb25cff741a4983d608d95bf512bab62b5988d3b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/float-to-double2.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 bb25cff741a4983d608d95bf512bab62b5988d3b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:10:24,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:10:24,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:10:25,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:10:25,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:10:25,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:10:25,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:10:25,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:10:25,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:10:25,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:10:25,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:10:25,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:10:25,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:10:25,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:10:25,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:10:25,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:10:25,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:10:25,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:10:25,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:10:25,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:10:25,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:10:25,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:10:25,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:10:25,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:10:25,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:10:25,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:10:25,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:10:25,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:10:25,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:10:25,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:10:25,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:10:25,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:10:25,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:10:25,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:10:25,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:10:25,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:10:25,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:10:25,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:10:25,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:10:25,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:10:25,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:10:25,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:10:25,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:10:25,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:10:25,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:10:25,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:10:25,189 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:10:25,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:10:25,190 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:10:25,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:10:25,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:10:25,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:10:25,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:10:25,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:10:25,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:10:25,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:10:25,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:10:25,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:10:25,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:10:25,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:10:25,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:10:25,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:10:25,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:10:25,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:10:25,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:10:25,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:10:25,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:10:25,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:10:25,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:10:25,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:10:25,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:10:25,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb25cff741a4983d608d95bf512bab62b5988d3b [2020-12-02 14:10:25,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:10:25,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:10:25,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:10:25,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:10:25,675 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:10:25,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-to-double2.c [2020-12-02 14:10:25,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5be070a/ffd244796bf0410eb17a3bc742eab73b/FLAG6b5004446 [2020-12-02 14:10:26,463 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:10:26,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-to-double2.c [2020-12-02 14:10:26,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5be070a/ffd244796bf0410eb17a3bc742eab73b/FLAG6b5004446 [2020-12-02 14:10:26,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f5be070a/ffd244796bf0410eb17a3bc742eab73b [2020-12-02 14:10:26,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:10:26,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:10:26,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:10:26,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:10:26,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:10:27,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:26" (1/1) ... [2020-12-02 14:10:27,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e3931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27, skipping insertion in model container [2020-12-02 14:10:27,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:26" (1/1) ... [2020-12-02 14:10:27,026 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:10:27,054 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:10:27,270 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/float-to-double2.c[380,393] [2020-12-02 14:10:27,281 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:10:27,300 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:10:27,337 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/float-to-double2.c[380,393] [2020-12-02 14:10:27,338 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:10:27,358 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:10:27,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27 WrapperNode [2020-12-02 14:10:27,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:10:27,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:10:27,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:10:27,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:10:27,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:10:27,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:10:27,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:10:27,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:10:27,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (1/1) ... [2020-12-02 14:10:27,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:10:27,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:10:27,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:10:27,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:10:27,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (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 14:10:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:10:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:10:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 14:10:27,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:10:28,270 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:10:28,271 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 14:10:28,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:28 BoogieIcfgContainer [2020-12-02 14:10:28,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:10:28,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:10:28,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:10:28,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:10:28,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:10:26" (1/3) ... [2020-12-02 14:10:28,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146906fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:28, skipping insertion in model container [2020-12-02 14:10:28,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:27" (2/3) ... [2020-12-02 14:10:28,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146906fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:28, skipping insertion in model container [2020-12-02 14:10:28,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:28" (3/3) ... [2020-12-02 14:10:28,292 INFO L111 eAbstractionObserver]: Analyzing ICFG float-to-double2.c [2020-12-02 14:10:28,322 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:10:28,331 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 14:10:28,358 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 14:10:28,417 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:10:28,418 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:10:28,418 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:10:28,418 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:10:28,418 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:10:28,419 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:10:28,419 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:10:28,419 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:10:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-02 14:10:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 14:10:28,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:10:28,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 14:10:28,458 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:10:28,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:10:28,473 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-12-02 14:10:28,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 14:10:28,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250604530] [2020-12-02 14:10:28,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 14:10:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:10:28,682 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:10:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:10:28,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:10:28,774 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 14:10:28,781 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 14:10:28,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 14:10:28,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:10:28 BoogieIcfgContainer [2020-12-02 14:10:28,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:10:28,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:10:28,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:10:28,839 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:10:28,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:28" (3/4) ... [2020-12-02 14:10:28,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 14:10:28,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:10:28,854 INFO L168 Benchmark]: Toolchain (without parser) took 1908.96 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.9 MB in the beginning and 29.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:28,855 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 44.0 MB. Free memory was 26.8 MB in the beginning and 26.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:28,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.82 ms. Allocated memory is still 44.0 MB. Free memory was 20.7 MB in the beginning and 20.1 MB in the end (delta: 623.3 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:28,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.19 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 38.9 MB in the end (delta: -18.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:28,859 INFO L168 Benchmark]: Boogie Preprocessor took 48.14 ms. Allocated memory is still 54.5 MB. Free memory was 38.9 MB in the beginning and 38.1 MB in the end (delta: 857.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:28,865 INFO L168 Benchmark]: RCFGBuilder took 791.46 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 28.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:28,866 INFO L168 Benchmark]: TraceAbstraction took 560.51 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 30.0 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:28,867 INFO L168 Benchmark]: Witness Printer took 10.24 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 29.4 MB in the end (delta: 307.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:28,876 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 44.0 MB. Free memory was 26.8 MB in the beginning and 26.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.82 ms. Allocated memory is still 44.0 MB. Free memory was 20.7 MB in the beginning and 20.1 MB in the end (delta: 623.3 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.19 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 38.9 MB in the end (delta: -18.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.14 ms. Allocated memory is still 54.5 MB. Free memory was 38.9 MB in the beginning and 38.1 MB in the end (delta: 857.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 791.46 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 28.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 560.51 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 30.0 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 10.24 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 29.4 MB in the end (delta: 307.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 11]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 8, overapproximation of someUnaryFLOAT_SMToperation at line 7, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 11. Possible FailurePath: [L7] float f = -0x1.0p-127f; [L8] double d = -0x1.0p-127; [L9] double fp = (double)f; [L11] COND TRUE !(d == fp) [L11] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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=9occurred 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 14:10:32,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:10:32,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:10:32,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:10:32,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:10:32,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:10:32,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:10:32,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:10:32,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:10:32,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:10:32,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:10:32,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:10:32,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:10:32,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:10:32,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:10:32,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:10:32,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:10:32,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:10:32,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:10:32,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:10:32,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:10:32,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:10:32,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:10:32,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:10:32,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:10:32,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:10:32,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:10:32,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:10:32,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:10:32,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:10:32,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:10:32,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:10:32,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:10:32,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:10:32,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:10:32,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:10:32,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:10:32,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:10:32,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:10:32,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:10:32,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:10:32,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:10:33,007 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:10:33,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:10:33,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:10:33,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:10:33,009 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:10:33,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:10:33,010 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:10:33,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:10:33,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:10:33,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:10:33,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:10:33,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:10:33,011 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:10:33,011 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:10:33,011 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:10:33,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:10:33,011 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:10:33,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:10:33,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:10:33,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:10:33,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:10:33,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:10:33,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:10:33,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:10:33,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:10:33,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:10:33,014 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:10:33,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:10:33,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:10:33,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:10:33,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:10:33,014 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb25cff741a4983d608d95bf512bab62b5988d3b [2020-12-02 14:10:33,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:10:33,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:10:33,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:10:33,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:10:33,496 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:10:33,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-to-double2.c [2020-12-02 14:10:33,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4976394a/2fca360de0b0483c92640c61e210516d/FLAG0537c598b [2020-12-02 14:10:34,363 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:10:34,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-to-double2.c [2020-12-02 14:10:34,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4976394a/2fca360de0b0483c92640c61e210516d/FLAG0537c598b [2020-12-02 14:10:34,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4976394a/2fca360de0b0483c92640c61e210516d [2020-12-02 14:10:34,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:10:34,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:10:34,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:10:34,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:10:34,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:10:34,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:34" (1/1) ... [2020-12-02 14:10:34,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14834f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:34, skipping insertion in model container [2020-12-02 14:10:34,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:34" (1/1) ... [2020-12-02 14:10:34,786 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:10:34,803 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:10:35,072 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/float-to-double2.c[380,393] [2020-12-02 14:10:35,085 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:10:35,111 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:10:35,146 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/float-to-double2.c[380,393] [2020-12-02 14:10:35,147 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:10:35,174 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:10:35,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35 WrapperNode [2020-12-02 14:10:35,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:10:35,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:10:35,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:10:35,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:10:35,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:10:35,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:10:35,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:10:35,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:10:35,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (1/1) ... [2020-12-02 14:10:35,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:10:35,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:10:35,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:10:35,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:10:35,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (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 14:10:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 14:10:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:10:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:10:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:10:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:10:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 14:10:35,803 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:10:35,804 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 14:10:35,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:35 BoogieIcfgContainer [2020-12-02 14:10:35,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:10:35,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:10:35,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:10:35,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:10:35,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:10:34" (1/3) ... [2020-12-02 14:10:35,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d8733c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:35, skipping insertion in model container [2020-12-02 14:10:35,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:35" (2/3) ... [2020-12-02 14:10:35,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d8733c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:35, skipping insertion in model container [2020-12-02 14:10:35,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:35" (3/3) ... [2020-12-02 14:10:35,819 INFO L111 eAbstractionObserver]: Analyzing ICFG float-to-double2.c [2020-12-02 14:10:35,838 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:10:35,842 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 14:10:35,863 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 14:10:35,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:10:35,914 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:10:35,914 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:10:35,914 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:10:35,915 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:10:35,915 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:10:35,915 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:10:35,915 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:10:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-02 14:10:35,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 14:10:35,937 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:10:35,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 14:10:35,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:10:35,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:10:35,947 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-12-02 14:10:35,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:10:35,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142717919] [2020-12-02 14:10:35,964 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 14:10:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:10:36,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-02 14:10:36,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:10:36,621 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-02 14:10:36,812 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 14:10:36,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:10:37,207 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 14:10:37,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142717919] [2020-12-02 14:10:37,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:10:37,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-12-02 14:10:37,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812950501] [2020-12-02 14:10:37,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 14:10:37,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:10:37,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 14:10:37,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-02 14:10:37,252 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-12-02 14:10:37,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:10:37,465 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-12-02 14:10:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 14:10:37,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-12-02 14:10:37,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:10:37,492 INFO L225 Difference]: With dead ends: 13 [2020-12-02 14:10:37,492 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 14:10:37,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-02 14:10:37,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 14:10:37,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 14:10:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 14:10:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 14:10:37,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-12-02 14:10:37,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:10:37,546 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 14:10:37,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 14:10:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 14:10:37,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 14:10:37,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 14:10:37,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 14:10:38,118 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-02 14:10:38,125 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 14:10:38,125 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 14:10:38,125 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 14:10:38,125 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 14:10:38,126 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2020-12-02 14:10:38,127 INFO L258 CegarLoopResult]: At program point L13(lines 5 14) the Hoare annotation is: (exists ((|v_ULTIMATE.start_main_#t~nondet7_6| (_ BitVec 32)) (ULTIMATE.start_main_~f~0 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet9_6| (_ BitVec 64)) (~CRM RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start_main_~f~0) ((_ extract 30 23) ULTIMATE.start_main_~f~0) ((_ extract 22 0) ULTIMATE.start_main_~f~0))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet7_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet7_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet9_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet9_6|)))) (and (= (fp ((_ extract 63 63) ULTIMATE.start_main_~fp~0) ((_ extract 62 52) ULTIMATE.start_main_~fp~0) ((_ extract 51 0) ULTIMATE.start_main_~fp~0)) ((_ to_fp 11 53) ~CRM .cse0)) (= ((_ to_fp 8 24) ~CRM (/ 1.0 170141183460469231731687303715884105728.0)) .cse1) (= (fp ((_ extract 63 63) ULTIMATE.start_main_~d~0) ((_ extract 62 52) ULTIMATE.start_main_~d~0) ((_ extract 51 0) ULTIMATE.start_main_~d~0)) (fp.neg .cse2)) (= .cse0 (fp.neg .cse1)) (= ((_ to_fp 11 53) ~CRM (/ 1.0 170141183460469231731687303715884105728.0)) .cse2)))) [2020-12-02 14:10:38,127 INFO L262 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-12-02 14:10:38,127 INFO L262 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-12-02 14:10:38,127 INFO L262 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-12-02 14:10:38,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,148 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,190 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,191 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:10:38 BoogieIcfgContainer [2020-12-02 14:10:38,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:10:38,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:10:38,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:10:38,209 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:10:38,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:35" (3/4) ... [2020-12-02 14:10:38,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 14:10:38,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-02 14:10:38,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-02 14:10:38,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-02 14:10:38,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:10:38,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_main_#t~nondet7_6 : bv32, ULTIMATE.start_main_~f~0 : bv32, v_ULTIMATE.start_main_#t~nondet9_6 : bv64, ~CRM : FloatRoundingMode :: (((~fp~LONGDOUBLE(fp[63:63], fp[62:52], fp[51:0]) == ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(ULTIMATE.start_main_~f~0[31:31], ULTIMATE.start_main_~f~0[30:23], ULTIMATE.start_main_~f~0[22:0])) && ~to_fp~LONGDOUBLE(~CRM, 1/170141183460469231731687303715884105728) == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet7_6[31:31], v_ULTIMATE.start_main_#t~nondet7_6[30:23], v_ULTIMATE.start_main_#t~nondet7_6[22:0])) && ~fp~LONGDOUBLE(d[63:63], d[62:52], d[51:0]) == ~fp.neg~DOUBLE(~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet9_6[63:63], v_ULTIMATE.start_main_#t~nondet9_6[62:52], v_ULTIMATE.start_main_#t~nondet9_6[51:0]))) && ~fp~LONGDOUBLE(ULTIMATE.start_main_~f~0[31:31], ULTIMATE.start_main_~f~0[30:23], ULTIMATE.start_main_~f~0[22:0]) == ~fp.neg~DOUBLE(~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet7_6[31:31], v_ULTIMATE.start_main_#t~nondet7_6[30:23], v_ULTIMATE.start_main_#t~nondet7_6[22:0]))) && ~to_fp~LONGDOUBLE(~CRM, 1/170141183460469231731687303715884105728) == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet9_6[63:63], v_ULTIMATE.start_main_#t~nondet9_6[62:52], v_ULTIMATE.start_main_#t~nondet9_6[51:0])) [2020-12-02 14:10:38,329 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 14:10:38,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:10:38,332 INFO L168 Benchmark]: Toolchain (without parser) took 3574.55 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 42.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:38,333 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:38,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.51 ms. Allocated memory is still 58.7 MB. Free memory was 35.8 MB in the beginning and 40.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:38,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 58.7 MB. Free memory was 40.5 MB in the beginning and 39.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:38,336 INFO L168 Benchmark]: Boogie Preprocessor took 27.98 ms. Allocated memory is still 58.7 MB. Free memory was 39.1 MB in the beginning and 37.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:38,340 INFO L168 Benchmark]: RCFGBuilder took 559.22 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.9 MB in the beginning and 54.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:38,343 INFO L168 Benchmark]: TraceAbstraction took 2393.40 ms. Allocated memory is still 71.3 MB. Free memory was 54.0 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:38,350 INFO L168 Benchmark]: Witness Printer took 123.72 ms. Allocated memory is still 71.3 MB. Free memory was 44.6 MB in the beginning and 42.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:38,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.51 ms. Allocated memory is still 58.7 MB. Free memory was 35.8 MB in the beginning and 40.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.95 ms. Allocated memory is still 58.7 MB. Free memory was 40.5 MB in the beginning and 39.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.98 ms. Allocated memory is still 58.7 MB. Free memory was 39.1 MB in the beginning and 37.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 559.22 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.9 MB in the beginning and 54.6 MB in the end (delta: -16.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2393.40 ms. Allocated memory is still 71.3 MB. Free memory was 54.0 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Witness Printer took 123.72 ms. Allocated memory is still 71.3 MB. Free memory was 44.6 MB in the beginning and 42.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 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[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11]: 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 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant [2020-12-02 14:10:38,399 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,400 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,400 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,400 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,401 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,401 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,401 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,401 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,403 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,410 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~f~0,QUANTIFIED] [2020-12-02 14:10:38,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,425 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet7_6,QUANTIFIED] [2020-12-02 14:10:38,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~CRM,QUANTIFIED] [2020-12-02 14:10:38,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] [2020-12-02 14:10:38,426 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet9_6,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_main_#t~nondet7_6 : bv32, ULTIMATE.start_main_~f~0 : bv32, v_ULTIMATE.start_main_#t~nondet9_6 : bv64, ~CRM : FloatRoundingMode :: (((~fp~LONGDOUBLE(fp[63:63], fp[62:52], fp[51:0]) == ~to_fp~LONGDOUBLE(~CRM, ~fp~LONGDOUBLE(ULTIMATE.start_main_~f~0[31:31], ULTIMATE.start_main_~f~0[30:23], ULTIMATE.start_main_~f~0[22:0])) && ~to_fp~LONGDOUBLE(~CRM, 1/170141183460469231731687303715884105728) == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet7_6[31:31], v_ULTIMATE.start_main_#t~nondet7_6[30:23], v_ULTIMATE.start_main_#t~nondet7_6[22:0])) && ~fp~LONGDOUBLE(d[63:63], d[62:52], d[51:0]) == ~fp.neg~DOUBLE(~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet9_6[63:63], v_ULTIMATE.start_main_#t~nondet9_6[62:52], v_ULTIMATE.start_main_#t~nondet9_6[51:0]))) && ~fp~LONGDOUBLE(ULTIMATE.start_main_~f~0[31:31], ULTIMATE.start_main_~f~0[30:23], ULTIMATE.start_main_~f~0[22:0]) == ~fp.neg~DOUBLE(~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet7_6[31:31], v_ULTIMATE.start_main_#t~nondet7_6[30:23], v_ULTIMATE.start_main_#t~nondet7_6[22:0]))) && ~to_fp~LONGDOUBLE(~CRM, 1/170141183460469231731687303715884105728) == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet9_6[63:63], v_ULTIMATE.start_main_#t~nondet9_6[62:52], v_ULTIMATE.start_main_#t~nondet9_6[51:0])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 2 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 73 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 1 QuantifiedInterpolants, 276 SizeOfPredicates, 5 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 6 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...