./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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 07cf728e594e227dafc07e33770c9952635c513c ......................................................................................................................................................................................................................................................................................................... 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/float-newlib/float_req_bl_1130a.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 07cf728e594e227dafc07e33770c9952635c513c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:00:49,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:00:49,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:00:49,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:00:49,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:00:49,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:00:49,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:00:49,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:00:49,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:00:49,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:00:49,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:00:49,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:00:49,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:00:49,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:00:49,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:00:49,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:00:49,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:00:49,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:00:49,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:00:49,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:00:49,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:00:49,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:00:49,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:00:49,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:00:49,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:00:49,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:00:49,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:00:49,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:00:49,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:00:49,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:00:49,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:00:49,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:00:49,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:00:49,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:00:49,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:00:49,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:00:49,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:00:49,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:00:49,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:00:49,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:00:49,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:00:49,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:00:49,149 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:00:49,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:00:49,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:00:49,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:00:49,151 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:00:49,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:00:49,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:00:49,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:00:49,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:00:49,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:00:49,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:00:49,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:00:49,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:00:49,154 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:00:49,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:00:49,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:00:49,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:00:49,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:00:49,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:00:49,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:00:49,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:00:49,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:00:49,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:00:49,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:00:49,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:00:49,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:00:49,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:00:49,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:00:49,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:00:49,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-10-25 22:00:49,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:00:49,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:00:49,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:00:49,582 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:00:49,587 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:00:49,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-10-25 22:00:49,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/640b9ec29/927ffe1264254dbe83c9c2c74f1a78c0/FLAG9d8214946 [2020-10-25 22:00:50,328 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:00:50,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-10-25 22:00:50,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/640b9ec29/927ffe1264254dbe83c9c2c74f1a78c0/FLAG9d8214946 [2020-10-25 22:00:50,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/640b9ec29/927ffe1264254dbe83c9c2c74f1a78c0 [2020-10-25 22:00:50,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:00:50,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:00:50,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:00:50,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:00:50,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:00:50,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:00:50" (1/1) ... [2020-10-25 22:00:50,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7fae30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:50, skipping insertion in model container [2020-10-25 22:00:50,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:00:50" (1/1) ... [2020-10-25 22:00:50,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:00:50,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:00:50,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:00:50,997 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:00:51,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:00:51,070 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:00:51,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51 WrapperNode [2020-10-25 22:00:51,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:00:51,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:00:51,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:00:51,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:00:51,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:00:51,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:00:51,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:00:51,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:00:51,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (1/1) ... [2020-10-25 22:00:51,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:00:51,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:00:51,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:00:51,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:00:51,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (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 [2020-10-25 22:00:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:00:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:00:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 22:00:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 22:00:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 22:00:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:00:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:00:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 22:00:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-25 22:00:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 22:00:51,973 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:00:51,973 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-25 22:00:51,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:51 BoogieIcfgContainer [2020-10-25 22:00:51,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:00:51,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:00:51,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:00:51,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:00:51,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:00:50" (1/3) ... [2020-10-25 22:00:51,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9a1e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:00:51, skipping insertion in model container [2020-10-25 22:00:51,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:51" (2/3) ... [2020-10-25 22:00:51,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9a1e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:00:51, skipping insertion in model container [2020-10-25 22:00:51,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:51" (3/3) ... [2020-10-25 22:00:51,985 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-10-25 22:00:51,998 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:00:52,003 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:00:52,016 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:00:52,041 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:00:52,041 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:00:52,042 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:00:52,042 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:00:52,042 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:00:52,042 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:00:52,042 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:00:52,042 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:00:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-10-25 22:00:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 22:00:52,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:00:52,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:00:52,066 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:00:52,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:00:52,073 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-10-25 22:00:52,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:00:52,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906890340] [2020-10-25 22:00:52,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:00:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:00:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:00:52,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906890340] [2020-10-25 22:00:52,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:00:52,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 22:00:52,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231782193] [2020-10-25 22:00:52,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 22:00:52,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:00:52,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 22:00:52,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:00:52,260 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-10-25 22:00:52,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:00:52,285 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-10-25 22:00:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 22:00:52,287 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 22:00:52,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:00:52,299 INFO L225 Difference]: With dead ends: 94 [2020-10-25 22:00:52,299 INFO L226 Difference]: Without dead ends: 44 [2020-10-25 22:00:52,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:00:52,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-25 22:00:52,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-25 22:00:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-25 22:00:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-10-25 22:00:52,363 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-10-25 22:00:52,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:00:52,364 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-10-25 22:00:52,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 22:00:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-10-25 22:00:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:00:52,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:00:52,366 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:00:52,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:00:52,367 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:00:52,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:00:52,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-10-25 22:00:52,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:00:52,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575608538] [2020-10-25 22:00:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:00:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 22:00:52,526 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 22:00:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 22:00:52,572 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 22:00:52,614 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 22:00:52,614 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 22:00:52,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:00:52,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:00:52 BoogieIcfgContainer [2020-10-25 22:00:52,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:00:52,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:00:52,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:00:52,658 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:00:52,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:00:51" (3/4) ... [2020-10-25 22:00:52,662 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 22:00:52,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:00:52,666 INFO L168 Benchmark]: Toolchain (without parser) took 1991.73 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 33.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 931.2 kB. Max. memory is 16.1 GB. [2020-10-25 22:00:52,667 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 35.7 MB. Free memory was 18.8 MB in the beginning and 18.8 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:00:52,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.31 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 27.8 MB in the end (delta: -7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:52,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.46 ms. Allocated memory is still 44.0 MB. Free memory was 27.8 MB in the beginning and 25.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:52,670 INFO L168 Benchmark]: Boogie Preprocessor took 47.84 ms. Allocated memory is still 44.0 MB. Free memory was 25.8 MB in the beginning and 23.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:52,671 INFO L168 Benchmark]: RCFGBuilder took 793.92 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 31.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:52,672 INFO L168 Benchmark]: TraceAbstraction took 678.68 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 34.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-25 22:00:52,673 INFO L168 Benchmark]: Witness Printer took 5.89 ms. Allocated memory is still 54.5 MB. Free memory was 33.9 MB in the beginning and 33.6 MB in the end (delta: 311.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:00:52,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 35.7 MB. Free memory was 18.8 MB in the beginning and 18.8 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.31 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 27.8 MB in the end (delta: -7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.46 ms. Allocated memory is still 44.0 MB. Free memory was 27.8 MB in the beginning and 25.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.84 ms. Allocated memory is still 44.0 MB. Free memory was 25.8 MB in the beginning and 23.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 793.92 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 31.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 678.68 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 34.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.89 ms. Allocated memory is still 54.5 MB. Free memory was 33.9 MB in the beginning and 33.6 MB in the end (delta: 311.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L128] float x = 0.0f; [L129] float y = __VERIFIER_nondet_float(); [L131] COND TRUE (y < 0.0f || y > 0.0f) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={9:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L133] float res = fmod_float(x, y); [L136] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, Zero_fmod={9:0}] [L136] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L3] __assert_fail("0", "float_req_bl_1130a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 65 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-25 22:00:55,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:00:55,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:00:55,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:00:55,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:00:55,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:00:55,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:00:55,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:00:55,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:00:55,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:00:55,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:00:55,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:00:55,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:00:55,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:00:55,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:00:55,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:00:55,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:00:55,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:00:55,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:00:55,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:00:55,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:00:55,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:00:55,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:00:55,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:00:55,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:00:55,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:00:55,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:00:55,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:00:55,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:00:55,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:00:55,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:00:55,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:00:55,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:00:55,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:00:55,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:00:55,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:00:55,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:00:55,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:00:55,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:00:55,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:00:55,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:00:55,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 22:00:55,568 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:00:55,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:00:55,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:00:55,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:00:55,572 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:00:55,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:00:55,572 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:00:55,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:00:55,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:00:55,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:00:55,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:00:55,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:00:55,574 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 22:00:55,575 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 22:00:55,575 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:00:55,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:00:55,576 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:00:55,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:00:55,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:00:55,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:00:55,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:00:55,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:00:55,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:00:55,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:00:55,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:00:55,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:00:55,579 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 22:00:55,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 22:00:55,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:00:55,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:00:55,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 22:00:55,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-10-25 22:00:56,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:00:56,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:00:56,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:00:56,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:00:56,091 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:00:56,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-10-25 22:00:56,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd52ca49f/af14d4cb104648a699123c8de1e1159e/FLAG6a43924b6 [2020-10-25 22:00:56,834 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:00:56,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2020-10-25 22:00:56,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd52ca49f/af14d4cb104648a699123c8de1e1159e/FLAG6a43924b6 [2020-10-25 22:00:57,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd52ca49f/af14d4cb104648a699123c8de1e1159e [2020-10-25 22:00:57,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:00:57,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:00:57,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:00:57,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:00:57,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:00:57,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2ac3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57, skipping insertion in model container [2020-10-25 22:00:57,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:00:57,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:00:57,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:00:57,577 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:00:57,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:00:57,673 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:00:57,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57 WrapperNode [2020-10-25 22:00:57,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:00:57,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:00:57,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:00:57,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:00:57,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:00:57,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:00:57,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:00:57,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:00:57,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (1/1) ... [2020-10-25 22:00:57,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:00:57,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:00:57,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:00:57,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:00:57,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (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 [2020-10-25 22:00:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-10-25 22:00:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 22:00:57,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:00:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-25 22:00:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 22:00:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:00:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:00:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-25 22:00:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 22:00:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 22:01:00,829 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:01:00,840 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-25 22:01:00,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:01:00 BoogieIcfgContainer [2020-10-25 22:01:00,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:01:00,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:01:00,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:01:00,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:01:00,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:00:57" (1/3) ... [2020-10-25 22:01:00,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0b7db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:01:00, skipping insertion in model container [2020-10-25 22:01:00,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:00:57" (2/3) ... [2020-10-25 22:01:00,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0b7db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:01:00, skipping insertion in model container [2020-10-25 22:01:00,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:01:00" (3/3) ... [2020-10-25 22:01:00,852 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-10-25 22:01:00,865 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:01:00,871 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:01:00,885 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:01:00,914 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:01:00,915 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:01:00,915 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:01:00,915 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:01:00,915 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:01:00,916 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:01:00,916 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:01:00,916 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:01:00,931 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-10-25 22:01:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 22:01:00,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:01:00,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:01:00,939 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:01:00,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:01:00,945 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-10-25 22:01:00,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:01:00,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681603761] [2020-10-25 22:01:00,960 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 [2020-10-25 22:01:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:01:01,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 22:01:01,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:01:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:01:01,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:01:01,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:01:01,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681603761] [2020-10-25 22:01:01,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:01:01,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 22:01:01,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350345511] [2020-10-25 22:01:01,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 22:01:01,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:01:01,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 22:01:01,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:01:01,377 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-10-25 22:01:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:01:01,403 INFO L93 Difference]: Finished difference Result 94 states and 157 transitions. [2020-10-25 22:01:01,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 22:01:01,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 22:01:01,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:01:01,421 INFO L225 Difference]: With dead ends: 94 [2020-10-25 22:01:01,422 INFO L226 Difference]: Without dead ends: 44 [2020-10-25 22:01:01,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:01:01,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-25 22:01:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-10-25 22:01:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-25 22:01:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-10-25 22:01:01,489 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-10-25 22:01:01,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:01:01,489 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-10-25 22:01:01,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 22:01:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-10-25 22:01:01,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:01:01,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:01:01,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:01:01,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 22:01:01,707 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:01:01,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:01:01,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-10-25 22:01:01,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:01:01,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442389380] [2020-10-25 22:01:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-25 22:01:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:01:02,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-25 22:01:02,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:01:02,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 22:01:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:01:02,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:01:02,443 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-25 22:01:02,657 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-25 22:01:02,833 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-25 22:01:02,840 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-25 22:01:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:01:02,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442389380] [2020-10-25 22:01:02,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:01:02,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-25 22:01:02,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068964880] [2020-10-25 22:01:02,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-25 22:01:02,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:01:02,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-25 22:01:02,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-25 22:01:02,903 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 12 states. [2020-10-25 22:01:03,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:01:03,178 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2020-10-25 22:01:03,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 22:01:03,179 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-10-25 22:01:03,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:01:03,180 INFO L225 Difference]: With dead ends: 53 [2020-10-25 22:01:03,180 INFO L226 Difference]: Without dead ends: 19 [2020-10-25 22:01:03,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-25 22:01:03,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-25 22:01:03,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-25 22:01:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-25 22:01:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-10-25 22:01:03,187 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2020-10-25 22:01:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:01:03,188 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-10-25 22:01:03,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-25 22:01:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-10-25 22:01:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 22:01:03,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:01:03,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:01:03,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 22:01:03,409 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:01:03,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:01:03,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1911951893, now seen corresponding path program 1 times [2020-10-25 22:01:03,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:01:03,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078585662] [2020-10-25 22:01:03,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-25 22:01:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:01:03,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-25 22:01:03,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:01:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:01:03,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:01:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:01:03,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078585662] [2020-10-25 22:01:03,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:01:03,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-25 22:01:03,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725407234] [2020-10-25 22:01:03,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-25 22:01:03,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:01:03,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-25 22:01:03,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-25 22:01:03,617 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 9 states. [2020-10-25 22:01:03,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:01:03,720 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-10-25 22:01:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:01:03,721 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-25 22:01:03,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:01:03,722 INFO L225 Difference]: With dead ends: 22 [2020-10-25 22:01:03,722 INFO L226 Difference]: Without dead ends: 19 [2020-10-25 22:01:03,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-25 22:01:03,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-25 22:01:03,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-25 22:01:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-25 22:01:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-10-25 22:01:03,728 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2020-10-25 22:01:03,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:01:03,729 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-10-25 22:01:03,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-25 22:01:03,729 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-10-25 22:01:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 22:01:03,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:01:03,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:01:03,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-25 22:01:03,942 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:01:03,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:01:03,944 INFO L82 PathProgramCache]: Analyzing trace with hash -645654976, now seen corresponding path program 1 times [2020-10-25 22:01:03,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 22:01:03,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432532434] [2020-10-25 22:01:03,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-25 22:01:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:01:04,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-25 22:01:04,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:01:04,153 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 22:01:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:01:04,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 22:01:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:01:04,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432532434] [2020-10-25 22:01:04,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:01:04,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-10-25 22:01:04,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269790508] [2020-10-25 22:01:04,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-25 22:01:04,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 22:01:04,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-25 22:01:04,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-10-25 22:01:04,489 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 16 states. [2020-10-25 22:01:04,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:01:04,817 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-25 22:01:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 22:01:04,818 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2020-10-25 22:01:04,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:01:04,819 INFO L225 Difference]: With dead ends: 19 [2020-10-25 22:01:04,819 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:01:04,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-10-25 22:01:04,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:01:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:01:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:01:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:01:04,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-25 22:01:04,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:01:04,820 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:01:04,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-25 22:01:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:01:04,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:01:05,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-25 22:01:05,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:01:05,276 INFO L274 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-10-25 22:01:05,276 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-10-25 22:01:05,277 INFO L274 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-10-25 22:01:05,277 INFO L274 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-10-25 22:01:05,277 INFO L270 CegarLoopResult]: At program point L118(lines 109 119) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short24| (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32))) [2020-10-25 22:01:05,277 INFO L274 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-10-25 22:01:05,277 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-10-25 22:01:05,278 INFO L270 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-10-25 22:01:05,278 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 22:01:05,278 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 22:01:05,278 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:01:05,283 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:01:05,284 INFO L274 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-10-25 22:01:05,284 INFO L274 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-10-25 22:01:05,284 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-25 22:01:05,284 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2020-10-25 22:01:05,284 INFO L274 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-10-25 22:01:05,285 INFO L274 CegarLoopResult]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2020-10-25 22:01:05,285 INFO L270 CegarLoopResult]: At program point L112-2(lines 112 116) the Hoare annotation is: (and (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24)))) |ULTIMATE.start_main_#t~short24|) [2020-10-25 22:01:05,285 INFO L274 CegarLoopResult]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2020-10-25 22:01:05,286 INFO L274 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-10-25 22:01:05,286 INFO L274 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-10-25 22:01:05,286 INFO L274 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-10-25 22:01:05,286 INFO L270 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24))) [2020-10-25 22:01:05,286 INFO L274 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-10-25 22:01:05,287 INFO L274 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-10-25 22:01:05,287 INFO L270 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (_ +zero 8 24)) (or (fp.lt ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (fp.gt ULTIMATE.start_fmod_float_~y (_ +zero 8 24))) (= ULTIMATE.start_main_~x~0 (_ +zero 8 24)) (= |ULTIMATE.start_fmod_float_#res| (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_36 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_36) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_36)) (_ +zero 8 24)) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_36 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_36)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_21 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_21) ULTIMATE.start_fmod_float_~hy~0) (fp.gt (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hy~0_21) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hy~0_21)) (_ +zero 8 24))))) [2020-10-25 22:01:05,287 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-10-25 22:01:05,287 INFO L274 CegarLoopResult]: For program point L131(lines 131 140) no Hoare annotation was computed. [2020-10-25 22:01:05,288 INFO L274 CegarLoopResult]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2020-10-25 22:01:05,288 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:01:05,288 INFO L274 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-10-25 22:01:05,288 INFO L270 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-10-25 22:01:05,289 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 22:01:05,289 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-10-25 22:01:05,289 INFO L270 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-10-25 22:01:05,289 INFO L274 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-10-25 22:01:05,289 INFO L270 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-10-25 22:01:05,290 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:01:05,290 INFO L274 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-10-25 22:01:05,290 INFO L274 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-10-25 22:01:05,290 INFO L274 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-10-25 22:01:05,290 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-10-25 22:01:05,291 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-10-25 22:01:05,291 INFO L270 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-10-25 22:01:05,291 INFO L274 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-10-25 22:01:05,291 INFO L277 CegarLoopResult]: At program point L142(lines 121 143) the Hoare annotation is: true [2020-10-25 22:01:05,291 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-10-25 22:01:05,292 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-10-25 22:01:05,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,316 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,318 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,318 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,318 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,319 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,319 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,319 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,320 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,320 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,320 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,321 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:01:05 BoogieIcfgContainer [2020-10-25 22:01:05,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:01:05,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:01:05,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:01:05,335 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:01:05,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:01:00" (3/4) ... [2020-10-25 22:01:05,339 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:01:05,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-25 22:01:05,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-25 22:01:05,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:01:05,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:01:05,402 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:01:05,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:01:05,405 INFO L168 Benchmark]: Toolchain (without parser) took 8204.98 ms. Allocated memory was 39.8 MB in the beginning and 62.9 MB in the end (delta: 23.1 MB). Free memory was 17.6 MB in the beginning and 36.2 MB in the end (delta: -18.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:01:05,405 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory was 22.6 MB in the beginning and 22.6 MB in the end (delta: 35.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:01:05,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.25 ms. Allocated memory was 39.8 MB in the beginning and 52.4 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 35.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:01:05,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.72 ms. Allocated memory is still 52.4 MB. Free memory was 35.7 MB in the beginning and 33.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:01:05,410 INFO L168 Benchmark]: Boogie Preprocessor took 76.81 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 31.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:01:05,411 INFO L168 Benchmark]: RCFGBuilder took 2991.79 ms. Allocated memory is still 52.4 MB. Free memory was 31.5 MB in the beginning and 35.6 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:01:05,412 INFO L168 Benchmark]: TraceAbstraction took 4489.26 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 35.1 MB in the beginning and 39.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-10-25 22:01:05,412 INFO L168 Benchmark]: Witness Printer took 68.26 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 36.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:01:05,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory was 22.6 MB in the beginning and 22.6 MB in the end (delta: 35.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 453.25 ms. Allocated memory was 39.8 MB in the beginning and 52.4 MB in the end (delta: 12.6 MB). Free memory was 26.2 MB in the beginning and 35.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.72 ms. Allocated memory is still 52.4 MB. Free memory was 35.7 MB in the beginning and 33.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.81 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 31.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2991.79 ms. Allocated memory is still 52.4 MB. Free memory was 31.5 MB in the beginning and 35.6 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4489.26 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 35.1 MB in the beginning and 39.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Witness Printer took 68.26 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 36.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2020-10-25 22:01:05,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,454 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: ((((x == ~Pluszero~LONGDOUBLE() && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 109]: Loop Invariant [2020-10-25 22:01:05,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((((~Pluszero~LONGDOUBLE() == res && x == ~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant [2020-10-25 22:01:05,468 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_36,QUANTIFIED] [2020-10-25 22:01:05,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] [2020-10-25 22:01:05,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_21,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == res && x == ~Pluszero~LONGDOUBLE()) && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_36 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_36[31:31], v_ULTIMATE.start_fmod_float_~hx~0_36[30:23], v_ULTIMATE.start_fmod_float_~hx~0_36[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_36, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_36)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_21 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_21) == hy && ~fp.gt~FLOAT(~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hy~0_21[31:31], v_ULTIMATE.start_fmod_float_~hy~0_21[30:23], v_ULTIMATE.start_fmod_float_~hy~0_21[22:0]), ~Pluszero~LONGDOUBLE()))) && aux-res == 0.0f && __signbit_float(res) == 0-aux - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (x == ~Pluszero~LONGDOUBLE() && (~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE()))) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 170 SDslu, 108 SDs, 0 SdLazy, 70 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 200 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 16 QuantifiedInterpolants, 9818 SizeOfPredicates, 28 NumberOfNonLiveVariables, 282 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...