./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.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 ad220425e59782d2842875bc5488a6e9ea4ef5ae ..................................................................................................................................................................................................................................... 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 ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.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 ad220425e59782d2842875bc5488a6e9ea4ef5ae .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 22:54:21,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 22:54:21,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 22:54:21,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 22:54:21,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 22:54:21,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 22:54:21,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 22:54:21,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 22:54:21,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 22:54:21,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 22:54:21,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 22:54:21,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 22:54:21,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 22:54:21,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 22:54:21,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 22:54:21,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 22:54:21,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 22:54:21,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 22:54:21,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 22:54:21,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 22:54:21,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 22:54:21,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 22:54:21,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 22:54:21,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 22:54:21,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 22:54:21,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 22:54:21,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 22:54:21,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 22:54:21,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 22:54:21,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 22:54:21,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 22:54:21,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 22:54:21,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 22:54:21,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 22:54:21,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 22:54:21,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 22:54:21,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 22:54:21,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 22:54:21,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 22:54:21,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 22:54:21,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 22:54:21,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-04 22:54:21,164 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 22:54:21,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 22:54:21,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 22:54:21,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 22:54:21,166 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 22:54:21,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 22:54:21,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 22:54:21,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-04 22:54:21,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 22:54:21,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 22:54:21,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 22:54:21,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 22:54:21,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 22:54:21,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 22:54:21,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 22:54:21,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 22:54:21,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 22:54:21,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 22:54:21,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 22:54:21,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 22:54:21,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:54:21,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 22:54:21,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 22:54:21,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 22:54:21,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-04 22:54:21,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-04 22:54:21,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 22:54:21,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 22:54:21,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad220425e59782d2842875bc5488a6e9ea4ef5ae [2021-07-04 22:54:21,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 22:54:21,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 22:54:21,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 22:54:21,422 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 22:54:21,423 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 22:54:21,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2021-07-04 22:54:21,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12e112837/6b3a08d52f4c448999508d2d9ea543ce/FLAG658a9d456 [2021-07-04 22:54:21,818 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 22:54:21,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2021-07-04 22:54:21,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12e112837/6b3a08d52f4c448999508d2d9ea543ce/FLAG658a9d456 [2021-07-04 22:54:21,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12e112837/6b3a08d52f4c448999508d2d9ea543ce [2021-07-04 22:54:21,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 22:54:21,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 22:54:21,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 22:54:21,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 22:54:21,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 22:54:21,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:54:21" (1/1) ... [2021-07-04 22:54:21,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f29bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:21, skipping insertion in model container [2021-07-04 22:54:21,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:54:21" (1/1) ... [2021-07-04 22:54:21,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 22:54:21,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 22:54:21,975 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-07-04 22:54:21,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:54:21,985 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 22:54:22,005 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-07-04 22:54:22,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:54:22,024 INFO L208 MainTranslator]: Completed translation [2021-07-04 22:54:22,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22 WrapperNode [2021-07-04 22:54:22,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 22:54:22,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 22:54:22,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 22:54:22,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 22:54:22,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 22:54:22,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 22:54:22,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 22:54:22,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 22:54:22,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 22:54:22,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 22:54:22,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 22:54:22,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 22:54:22,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (1/1) ... [2021-07-04 22:54:22,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:54:22,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 22:54:22,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-04 22:54:22,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-04 22:54:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 22:54:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 22:54:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-04 22:54:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 22:54:22,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 22:54:22,320 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-04 22:54:22,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:54:22 BoogieIcfgContainer [2021-07-04 22:54:22,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 22:54:22,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 22:54:22,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 22:54:22,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 22:54:22,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 10:54:21" (1/3) ... [2021-07-04 22:54:22,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2a7a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:54:22, skipping insertion in model container [2021-07-04 22:54:22,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:22" (2/3) ... [2021-07-04 22:54:22,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2a7a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:54:22, skipping insertion in model container [2021-07-04 22:54:22,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:54:22" (3/3) ... [2021-07-04 22:54:22,328 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2021-07-04 22:54:22,338 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 22:54:22,338 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 22:54:22,377 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 22:54:22,384 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 22:54:22,384 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 22:54:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:54:22,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-07-04 22:54:22,395 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:54:22,396 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-07-04 22:54:22,396 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:54:22,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:54:22,400 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-07-04 22:54:22,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:54:22,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845694017] [2021-07-04 22:54:22,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:54:22,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:54:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 22:54:22,521 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 22:54:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 22:54:22,546 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 22:54:22,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-04 22:54:22,564 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-04 22:54:22,567 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-04 22:54:22,567 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 22:54:22,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 10:54:22 BoogieIcfgContainer [2021-07-04 22:54:22,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 22:54:22,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 22:54:22,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 22:54:22,585 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 22:54:22,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:54:22" (3/4) ... [2021-07-04 22:54:22,587 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-04 22:54:22,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 22:54:22,590 INFO L168 Benchmark]: Toolchain (without parser) took 751.65 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 37.3 MB in the beginning and 51.7 MB in the end (delta: -14.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:54:22,590 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:54:22,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.11 ms. Allocated memory is still 58.7 MB. Free memory was 37.1 MB in the beginning and 42.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:22,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.59 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 42.6 MB in the beginning and 57.3 MB in the end (delta: -14.7 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:22,592 INFO L168 Benchmark]: Boogie Preprocessor took 22.45 ms. Allocated memory is still 73.4 MB. Free memory was 57.3 MB in the beginning and 56.3 MB in the end (delta: 927.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:22,592 INFO L168 Benchmark]: RCFGBuilder took 242.22 ms. Allocated memory is still 73.4 MB. Free memory was 56.3 MB in the beginning and 45.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:22,595 INFO L168 Benchmark]: TraceAbstraction took 260.14 ms. Allocated memory is still 73.4 MB. Free memory was 44.9 MB in the beginning and 52.0 MB in the end (delta: -7.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:54:22,596 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 73.4 MB. Free memory was 52.0 MB in the beginning and 51.7 MB in the end (delta: 313.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:54:22,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 186.11 ms. Allocated memory is still 58.7 MB. Free memory was 37.1 MB in the beginning and 42.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.59 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 42.6 MB in the beginning and 57.3 MB in the end (delta: -14.7 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.45 ms. Allocated memory is still 73.4 MB. Free memory was 57.3 MB in the beginning and 56.3 MB in the end (delta: 927.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 242.22 ms. Allocated memory is still 73.4 MB. Free memory was 56.3 MB in the beginning and 45.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 260.14 ms. Allocated memory is still 73.4 MB. Free memory was 44.9 MB in the beginning and 52.0 MB in the end (delta: -7.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.76 ms. Allocated memory is still 73.4 MB. Free memory was 52.0 MB in the beginning and 51.7 MB in the end (delta: 313.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 10, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L6] float f = 0x1.9e0c22p-101f; [L7] float g = -0x1.3c9014p-50f; [L8] float target = -0x1p-149f; [L10] float result = f * g; [L12] COND TRUE !(result == target) [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 193.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 4.9ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.1ms SsaConstructionTime, 50.1ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-07-04 22:54:22,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 22:54:24,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 22:54:24,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 22:54:24,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 22:54:24,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 22:54:24,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 22:54:24,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 22:54:24,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 22:54:24,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 22:54:24,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 22:54:24,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 22:54:24,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 22:54:24,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 22:54:24,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 22:54:24,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 22:54:24,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 22:54:24,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 22:54:24,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 22:54:24,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 22:54:24,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 22:54:24,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 22:54:24,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 22:54:24,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 22:54:24,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 22:54:24,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 22:54:24,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 22:54:24,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 22:54:24,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 22:54:24,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 22:54:24,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 22:54:24,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 22:54:24,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 22:54:24,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 22:54:24,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 22:54:24,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 22:54:24,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 22:54:24,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 22:54:24,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 22:54:24,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 22:54:24,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 22:54:24,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 22:54:24,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-04 22:54:24,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 22:54:24,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 22:54:24,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 22:54:24,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 22:54:24,371 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 22:54:24,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 22:54:24,371 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 22:54:24,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 22:54:24,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 22:54:24,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 22:54:24,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 22:54:24,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 22:54:24,372 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-04 22:54:24,372 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-04 22:54:24,372 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 22:54:24,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 22:54:24,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 22:54:24,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 22:54:24,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 22:54:24,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 22:54:24,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 22:54:24,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:54:24,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 22:54:24,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 22:54:24,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 22:54:24,374 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-04 22:54:24,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-04 22:54:24,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 22:54:24,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 22:54:24,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-04 22:54:24,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad220425e59782d2842875bc5488a6e9ea4ef5ae [2021-07-04 22:54:24,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 22:54:24,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 22:54:24,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 22:54:24,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 22:54:24,652 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 22:54:24,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2021-07-04 22:54:24,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d987099f/9722215fbfec4b18bc1a30addd45dffb/FLAG6ed95a33a [2021-07-04 22:54:25,051 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 22:54:25,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2021-07-04 22:54:25,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d987099f/9722215fbfec4b18bc1a30addd45dffb/FLAG6ed95a33a [2021-07-04 22:54:25,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d987099f/9722215fbfec4b18bc1a30addd45dffb [2021-07-04 22:54:25,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 22:54:25,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 22:54:25,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 22:54:25,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 22:54:25,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 22:54:25,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c18581e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25, skipping insertion in model container [2021-07-04 22:54:25,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 22:54:25,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 22:54:25,225 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-07-04 22:54:25,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:54:25,238 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 22:54:25,257 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2021-07-04 22:54:25,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:54:25,278 INFO L208 MainTranslator]: Completed translation [2021-07-04 22:54:25,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25 WrapperNode [2021-07-04 22:54:25,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 22:54:25,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 22:54:25,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 22:54:25,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 22:54:25,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 22:54:25,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 22:54:25,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 22:54:25,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 22:54:25,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 22:54:25,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 22:54:25,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 22:54:25,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 22:54:25,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (1/1) ... [2021-07-04 22:54:25,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:54:25,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 22:54:25,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-04 22:54:25,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-04 22:54:25,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 22:54:25,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 22:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-04 22:54:25,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 22:54:25,716 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 22:54:25,716 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-04 22:54:25,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:54:25 BoogieIcfgContainer [2021-07-04 22:54:25,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 22:54:25,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 22:54:25,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 22:54:25,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 22:54:25,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 10:54:25" (1/3) ... [2021-07-04 22:54:25,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b80010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:54:25, skipping insertion in model container [2021-07-04 22:54:25,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:54:25" (2/3) ... [2021-07-04 22:54:25,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b80010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:54:25, skipping insertion in model container [2021-07-04 22:54:25,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:54:25" (3/3) ... [2021-07-04 22:54:25,727 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2021-07-04 22:54:25,732 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 22:54:25,733 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 22:54:25,769 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 22:54:25,776 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 22:54:25,776 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 22:54:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:54:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-07-04 22:54:25,787 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:54:25,788 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-07-04 22:54:25,788 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:54:25,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:54:25,793 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-07-04 22:54:25,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 22:54:25,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372617513] [2021-07-04 22:54:25,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:54:25,802 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 22:54:25,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 22:54:25,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-04 22:54:25,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-07-04 22:54:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:54:25,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-04 22:54:25,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 22:54:25,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:54:25,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:54:25,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:54:25,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:54:25,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-04 22:54:25,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 22:54:25,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 22:54:25,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 22:54:25,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-04 22:54:25,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 22:54:25,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 22:54:25,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-04 22:54:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:54:25,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 22:54:25,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:54:25,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:54:25,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:54:25,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:54:25,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:25,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:54:25,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:54:26,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:54:26,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:54:26,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 22:54:26,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-04 22:54:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-04 22:54:26,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 22:54:26,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-04 22:54:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-04 22:54:26,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 22:54:26,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:54:26,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 22:54:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:54:26,044 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 22:54:26,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372617513] [2021-07-04 22:54:26,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372617513] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-04 22:54:26,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:54:26,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-07-04 22:54:26,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014109838] [2021-07-04 22:54:26,049 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-04 22:54:26,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 22:54:26,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-04 22:54:26,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-04 22:54:26,057 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:54:26,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:54:26,138 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-07-04 22:54:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-04 22:54:26,139 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-07-04 22:54:26,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:54:26,143 INFO L225 Difference]: With dead ends: 13 [2021-07-04 22:54:26,143 INFO L226 Difference]: Without dead ends: 0 [2021-07-04 22:54:26,144 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 72.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-04 22:54:26,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-04 22:54:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-04 22:54:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:54:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-04 22:54:26,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-07-04 22:54:26,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:54:26,157 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-04 22:54:26,158 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:54:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-04 22:54:26,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-04 22:54:26,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-04 22:54:26,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 22:54:26,193 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-04 22:54:26,193 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-04 22:54:26,193 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-04 22:54:26,193 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-04 22:54:26,193 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-07-04 22:54:26,194 INFO L758 garLoopResultBuilder]: At program point L14(lines 5 15) the Hoare annotation is: (and (= (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 13567505.0 21267647932558653966460912964485513216.0)) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 5186565.0 4722366482869645213696.0)))) ULTIMATE.start_main_~result~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~target~0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 713623846352979940529142984724747568191373312.0))))) [2021-07-04 22:54:26,194 INFO L762 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-07-04 22:54:26,194 INFO L762 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-07-04 22:54:26,194 INFO L762 garLoopResultBuilder]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-07-04 22:54:26,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-07-04 22:54:26,405 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 22:54:26,405 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 22:54:26,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 10:54:26 BoogieIcfgContainer [2021-07-04 22:54:26,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 22:54:26,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 22:54:26,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 22:54:26,421 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 22:54:26,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:54:25" (3/4) ... [2021-07-04 22:54:26,423 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-04 22:54:26,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-07-04 22:54:26,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-04 22:54:26,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-04 22:54:26,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-04 22:54:26,447 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-04 22:54:26,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 22:54:26,449 INFO L168 Benchmark]: Toolchain (without parser) took 1374.36 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.6 MB in the beginning and 55.0 MB in the end (delta: -21.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:54:26,451 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:54:26,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.61 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.5 MB in the beginning and 58.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:26,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 75.5 MB. Free memory was 58.7 MB in the beginning and 57.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:26,452 INFO L168 Benchmark]: Boogie Preprocessor took 28.90 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 56.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:54:26,452 INFO L168 Benchmark]: RCFGBuilder took 372.04 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 44.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:26,452 INFO L168 Benchmark]: TraceAbstraction took 702.15 ms. Allocated memory is still 75.5 MB. Free memory was 44.2 MB in the beginning and 57.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:26,456 INFO L168 Benchmark]: Witness Printer took 26.28 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 55.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 22:54:26,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 203.61 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.5 MB in the beginning and 58.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 75.5 MB. Free memory was 58.7 MB in the beginning and 57.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.90 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 56.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 372.04 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 44.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 702.15 ms. Allocated memory is still 75.5 MB. Free memory was 44.2 MB in the beginning and 57.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * Witness Printer took 26.28 ms. Allocated memory is still 75.5 MB. Free memory was 57.1 MB in the beginning and 55.0 MB in the end (delta: 2.1 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 640.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 5.4ms, AutomataDifference: 94.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 32.6ms, InitialAbstractionConstructionTime: 5.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 13 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 72.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 21 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 18.6ms HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 10.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 18.1ms SsaConstructionTime, 50.2ms SatisfiabilityAnalysisTime, 124.9ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 5 NumberOfNonLiveVariables, 34 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant [2021-07-04 22:54:26,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-07-04 22:54:26,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 13567505/21267647932558653966460912964485513216), ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 5186565/4722366482869645213696))) == result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && target == ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/713623846352979940529142984724747568191373312)) RESULT: Ultimate proved your program to be correct! [2021-07-04 22:54:26,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...