./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/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 ../../../trunk/examples/svcomp/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 0.2.0-2880296 [2020-12-02 16:17:53,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:17:53,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:17:53,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:17:53,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:17:53,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:17:53,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:17:53,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:17:53,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:17:53,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:17:53,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:17:53,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:17:53,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:17:53,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:17:53,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:17:53,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:17:53,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:17:53,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:17:53,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:17:53,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:17:53,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:17:53,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:17:53,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:17:53,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:17:53,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:17:53,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:17:53,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:17:53,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:17:53,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:17:53,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:17:53,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:17:53,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:17:53,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:17:53,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:17:53,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:17:53,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:17:53,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:17:53,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:17:53,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:17:53,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:17:53,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:17:53,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 16:17:53,898 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:17:53,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:17:53,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:17:53,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:17:53,905 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:17:53,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:17:53,906 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:17:53,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 16:17:53,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:17:53,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:17:53,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:17:53,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:17:53,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:17:53,909 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:17:53,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:17:53,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:17:53,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:17:53,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:17:53,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:17:53,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:17:53,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:17:53,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:17:53,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:17:53,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:17:53,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:17:53,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 16:17:53,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 16:17:53,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:17:53,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:17:53,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-12-02 16:17:54,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:17:54,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:17:54,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:17:54,401 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:17:54,402 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:17:54,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-12-02 16:17:54,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e258da5df/58f4a238f3164215b57d103198f336bf/FLAG3a370a9b9 [2020-12-02 16:17:55,138 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:17:55,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-12-02 16:17:55,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e258da5df/58f4a238f3164215b57d103198f336bf/FLAG3a370a9b9 [2020-12-02 16:17:55,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e258da5df/58f4a238f3164215b57d103198f336bf [2020-12-02 16:17:55,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:17:55,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:17:55,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:17:55,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:17:55,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:17:55,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:55,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1584e8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55, skipping insertion in model container [2020-12-02 16:17:55,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:55,493 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:17:55,536 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:17:55,749 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c[2907,2920] [2020-12-02 16:17:55,753 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:17:55,763 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:17:55,817 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c[2907,2920] [2020-12-02 16:17:55,818 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:17:55,846 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:17:55,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55 WrapperNode [2020-12-02 16:17:55,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:17:55,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:17:55,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:17:55,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:17:55,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:55,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:55,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:17:55,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:17:55,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:17:55,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:17:55,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:55,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:56,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:56,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:56,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:56,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:56,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... [2020-12-02 16:17:56,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:17:56,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:17:56,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:17:56,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:17:56,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:17:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 16:17:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:17:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-02 16:17:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-02 16:17:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-02 16:17:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:17:56,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:17:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-02 16:17:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-02 16:17:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:17:56,928 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:17:56,928 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-12-02 16:17:56,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:56 BoogieIcfgContainer [2020-12-02 16:17:56,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:17:56,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:17:56,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:17:56,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:17:56,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:17:55" (1/3) ... [2020-12-02 16:17:56,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598d8c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:56, skipping insertion in model container [2020-12-02 16:17:56,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:17:55" (2/3) ... [2020-12-02 16:17:56,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598d8c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:17:56, skipping insertion in model container [2020-12-02 16:17:56,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:56" (3/3) ... [2020-12-02 16:17:56,941 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-12-02 16:17:56,957 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:17:56,962 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:17:56,975 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:17:57,002 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:17:57,002 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:17:57,003 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:17:57,003 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:17:57,003 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:17:57,003 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:17:57,003 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:17:57,003 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:17:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-12-02 16:17:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 16:17:57,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:57,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:57,027 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:57,034 INFO L82 PathProgramCache]: Analyzing trace with hash 461941989, now seen corresponding path program 1 times [2020-12-02 16:17:57,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 16:17:57,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169406947] [2020-12-02 16:17:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 16:17:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:17:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:17:57,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169406947] [2020-12-02 16:17:57,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:17:57,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-02 16:17:57,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630418640] [2020-12-02 16:17:57,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:17:57,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 16:17:57,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:17:57,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:17:57,262 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2020-12-02 16:17:57,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:17:57,289 INFO L93 Difference]: Finished difference Result 93 states and 156 transitions. [2020-12-02 16:17:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:17:57,291 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-02 16:17:57,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:17:57,304 INFO L225 Difference]: With dead ends: 93 [2020-12-02 16:17:57,304 INFO L226 Difference]: Without dead ends: 44 [2020-12-02 16:17:57,310 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 [2020-12-02 16:17:57,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-02 16:17:57,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-12-02 16:17:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-02 16:17:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-12-02 16:17:57,378 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 11 [2020-12-02 16:17:57,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:17:57,379 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-12-02 16:17:57,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:17:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-12-02 16:17:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 16:17:57,382 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:17:57,382 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:17:57,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 16:17:57,383 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:17:57,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:17:57,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1049045826, now seen corresponding path program 1 times [2020-12-02 16:17:57,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 16:17:57,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100009755] [2020-12-02 16:17:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 16:17:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 16:17:57,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 16:17:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 16:17:57,610 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 16:17:57,641 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 16:17:57,642 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 16:17:57,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 16:17:57,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:17:57 BoogieIcfgContainer [2020-12-02 16:17:57,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 16:17:57,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 16:17:57,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 16:17:57,695 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 16:17:57,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:17:56" (3/4) ... [2020-12-02 16:17:57,700 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 16:17:57,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 16:17:57,703 INFO L168 Benchmark]: Toolchain (without parser) took 2244.93 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 22.0 MB in the beginning and 36.4 MB in the end (delta: -14.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:17:57,704 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory is still 28.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:17:57,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.72 ms. Allocated memory is still 44.0 MB. Free memory was 21.8 MB in the beginning and 18.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:57,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.29 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 18.7 MB in the beginning and 39.0 MB in the end (delta: -20.3 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:57,707 INFO L168 Benchmark]: Boogie Preprocessor took 87.87 ms. Allocated memory is still 54.5 MB. Free memory was 38.7 MB in the beginning and 37.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:57,708 INFO L168 Benchmark]: RCFGBuilder took 872.98 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 27.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:57,709 INFO L168 Benchmark]: TraceAbstraction took 761.99 ms. Allocated memory is still 54.5 MB. Free memory was 27.2 MB in the beginning and 36.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:17:57,710 INFO L168 Benchmark]: Witness Printer took 5.61 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.4 MB in the end (delta: 345.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:17:57,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory is still 28.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.72 ms. Allocated memory is still 44.0 MB. Free memory was 21.8 MB in the beginning and 18.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.29 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 18.7 MB in the beginning and 39.0 MB in the end (delta: -20.3 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.87 ms. Allocated memory is still 54.5 MB. Free memory was 38.7 MB in the beginning and 37.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 872.98 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 27.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 761.99 ms. Allocated memory is still 54.5 MB. Free memory was 27.2 MB in the beginning and 36.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.61 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.4 MB in the end (delta: 345.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 137]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 16, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 136, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAT_SMToperation at line 37, overapproximation of bitwiseXor at line 33. 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) [L137] reach_error() VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, 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=48occurred 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 0.2.0-2880296 [2020-12-02 16:18:00,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:18:00,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:18:00,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:18:00,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:18:00,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:18:00,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:18:00,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:18:00,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:18:00,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:18:00,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:18:00,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:18:00,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:18:00,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:18:00,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:18:00,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:18:00,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:18:00,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:18:00,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:18:00,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:18:00,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:18:00,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:18:00,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:18:00,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:18:00,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:18:00,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:18:00,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:18:00,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:18:00,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:18:00,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:18:00,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:18:00,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:18:00,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:18:00,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:18:00,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:18:00,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:18:00,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:18:00,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:18:00,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:18:00,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:18:00,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:18:00,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 16:18:00,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:18:00,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:18:00,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:18:00,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:18:00,755 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:18:00,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:18:00,756 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:18:00,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:18:00,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:18:00,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:18:00,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:18:00,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:18:00,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 16:18:00,759 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 16:18:00,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:18:00,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:18:00,760 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:18:00,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:18:00,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:18:00,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:18:00,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:18:00,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:18:00,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:18:00,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:18:00,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:18:00,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:18:00,763 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 16:18:00,764 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 16:18:00,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:18:00,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:18:00,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 16:18:00,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cf728e594e227dafc07e33770c9952635c513c [2020-12-02 16:18:01,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:18:01,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:18:01,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:18:01,346 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:18:01,346 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:18:01,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-12-02 16:18:01,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433a583e5/a40d348151284deb8b7cde52f99f4ca7/FLAG30b656693 [2020-12-02 16:18:02,150 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:18:02,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-12-02 16:18:02,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433a583e5/a40d348151284deb8b7cde52f99f4ca7/FLAG30b656693 [2020-12-02 16:18:02,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433a583e5/a40d348151284deb8b7cde52f99f4ca7 [2020-12-02 16:18:02,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:18:02,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:18:02,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:18:02,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:18:02,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:18:02,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:02,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1671f8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02, skipping insertion in model container [2020-12-02 16:18:02,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:02,536 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:18:02,559 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:18:02,782 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c[2907,2920] [2020-12-02 16:18:02,786 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:18:02,805 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:18:02,898 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c[2907,2920] [2020-12-02 16:18:02,899 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:18:02,945 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:18:02,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02 WrapperNode [2020-12-02 16:18:02,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:18:02,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:18:02,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:18:02,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:18:02,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:18:03,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:18:03,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:18:03,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:18:03,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... [2020-12-02 16:18:03,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:18:03,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:18:03,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:18:03,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:18:03,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:18:03,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 16:18:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-02 16:18:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 16:18:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:18:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 16:18:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 16:18:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:18:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:18:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 16:18:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 16:18:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 16:18:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:18:06,631 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:18:06,632 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-12-02 16:18:06,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:18:06 BoogieIcfgContainer [2020-12-02 16:18:06,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:18:06,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:18:06,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:18:06,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:18:06,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:18:02" (1/3) ... [2020-12-02 16:18:06,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@112e47b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:18:06, skipping insertion in model container [2020-12-02 16:18:06,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:18:02" (2/3) ... [2020-12-02 16:18:06,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@112e47b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:18:06, skipping insertion in model container [2020-12-02 16:18:06,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:18:06" (3/3) ... [2020-12-02 16:18:06,645 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-12-02 16:18:06,662 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:18:06,666 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:18:06,680 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:18:06,713 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:18:06,714 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:18:06,714 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:18:06,714 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:18:06,714 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:18:06,714 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:18:06,715 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:18:06,715 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:18:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-12-02 16:18:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 16:18:06,739 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:18:06,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:18:06,741 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:18:06,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:18:06,749 INFO L82 PathProgramCache]: Analyzing trace with hash 970671084, now seen corresponding path program 1 times [2020-12-02 16:18:06,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:18:06,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316528100] [2020-12-02 16:18:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 16:18:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:18:07,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 16:18:07,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:18:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:07,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:18:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:07,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316528100] [2020-12-02 16:18:07,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:18:07,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 16:18:07,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753479663] [2020-12-02 16:18:07,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:18:07,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:18:07,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:18:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:18:07,426 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-12-02 16:18:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:18:07,452 INFO L93 Difference]: Finished difference Result 94 states and 158 transitions. [2020-12-02 16:18:07,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:18:07,454 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-02 16:18:07,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:18:07,466 INFO L225 Difference]: With dead ends: 94 [2020-12-02 16:18:07,467 INFO L226 Difference]: Without dead ends: 45 [2020-12-02 16:18:07,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:18:07,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-02 16:18:07,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-02 16:18:07,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-02 16:18:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2020-12-02 16:18:07,516 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 62 transitions. Word has length 12 [2020-12-02 16:18:07,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:18:07,517 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 62 transitions. [2020-12-02 16:18:07,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:18:07,517 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2020-12-02 16:18:07,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 16:18:07,518 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:18:07,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:18:07,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 16:18:07,733 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:18:07,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:18:07,736 INFO L82 PathProgramCache]: Analyzing trace with hash 311434569, now seen corresponding path program 1 times [2020-12-02 16:18:07,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:18:07,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032949562] [2020-12-02 16:18:07,737 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 [2020-12-02 16:18:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:18:08,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 16:18:08,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:18:08,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:18:08,361 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 16:18:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:08,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:18:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:09,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032949562] [2020-12-02 16:18:09,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:18:09,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-12-02 16:18:09,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623978840] [2020-12-02 16:18:09,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 16:18:09,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:18:09,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 16:18:09,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-12-02 16:18:09,503 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. Second operand 14 states. [2020-12-02 16:18:09,732 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2020-12-02 16:18:10,831 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-12-02 16:18:13,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:18:13,775 INFO L93 Difference]: Finished difference Result 157 states and 205 transitions. [2020-12-02 16:18:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-02 16:18:13,784 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2020-12-02 16:18:13,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:18:13,787 INFO L225 Difference]: With dead ends: 157 [2020-12-02 16:18:13,787 INFO L226 Difference]: Without dead ends: 123 [2020-12-02 16:18:13,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2020-12-02 16:18:13,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-12-02 16:18:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 53. [2020-12-02 16:18:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-02 16:18:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2020-12-02 16:18:13,806 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 14 [2020-12-02 16:18:13,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:18:13,807 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2020-12-02 16:18:13,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 16:18:13,807 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2020-12-02 16:18:13,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-02 16:18:13,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:18:13,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:18:14,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 16:18:14,023 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:18:14,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:18:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 991902922, now seen corresponding path program 1 times [2020-12-02 16:18:14,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:18:14,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343899062] [2020-12-02 16:18:14,027 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 [2020-12-02 16:18:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:18:14,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 16:18:14,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:18:14,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:18:14,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:18:14,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 16:18:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:14,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:18:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:14,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343899062] [2020-12-02 16:18:14,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:18:14,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-12-02 16:18:14,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097798636] [2020-12-02 16:18:14,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 16:18:14,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:18:14,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 16:18:14,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-02 16:18:14,572 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand 9 states. [2020-12-02 16:18:15,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:18:15,797 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2020-12-02 16:18:15,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 16:18:15,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-12-02 16:18:15,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:18:15,799 INFO L225 Difference]: With dead ends: 74 [2020-12-02 16:18:15,799 INFO L226 Difference]: Without dead ends: 71 [2020-12-02 16:18:15,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-02 16:18:15,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-02 16:18:15,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 55. [2020-12-02 16:18:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-02 16:18:15,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2020-12-02 16:18:15,815 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 15 [2020-12-02 16:18:15,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:18:15,816 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2020-12-02 16:18:15,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 16:18:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2020-12-02 16:18:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 16:18:15,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:18:15,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:18:16,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 16:18:16,031 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:18:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:18:16,033 INFO L82 PathProgramCache]: Analyzing trace with hash -394914260, now seen corresponding path program 1 times [2020-12-02 16:18:16,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:18:16,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880110384] [2020-12-02 16:18:16,035 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 [2020-12-02 16:18:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:18:16,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 16:18:16,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:18:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:16,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:18:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:16,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880110384] [2020-12-02 16:18:16,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:18:16,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-12-02 16:18:16,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215747131] [2020-12-02 16:18:16,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-02 16:18:16,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:18:16,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-02 16:18:16,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-12-02 16:18:16,824 INFO L87 Difference]: Start difference. First operand 55 states and 71 transitions. Second operand 12 states. [2020-12-02 16:18:17,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:18:17,118 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2020-12-02 16:18:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 16:18:17,119 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2020-12-02 16:18:17,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:18:17,120 INFO L225 Difference]: With dead ends: 62 [2020-12-02 16:18:17,120 INFO L226 Difference]: Without dead ends: 28 [2020-12-02 16:18:17,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-12-02 16:18:17,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-02 16:18:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2020-12-02 16:18:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-02 16:18:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2020-12-02 16:18:17,130 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 16 [2020-12-02 16:18:17,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:18:17,131 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2020-12-02 16:18:17,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-02 16:18:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2020-12-02 16:18:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-02 16:18:17,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:18:17,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:18:17,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 16:18:17,348 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:18:17,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:18:17,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1267445535, now seen corresponding path program 1 times [2020-12-02 16:18:17,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:18:17,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936368227] [2020-12-02 16:18:17,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 16:18:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:18:17,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-02 16:18:17,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:18:17,752 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:18:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:17,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:18:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 16:18:18,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936368227] [2020-12-02 16:18:18,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:18:18,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2020-12-02 16:18:18,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044758094] [2020-12-02 16:18:18,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-02 16:18:18,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:18:18,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-02 16:18:18,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-12-02 16:18:18,316 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 16 states. [2020-12-02 16:18:18,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:18:18,786 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2020-12-02 16:18:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 16:18:18,788 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2020-12-02 16:18:18,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:18:18,789 INFO L225 Difference]: With dead ends: 20 [2020-12-02 16:18:18,789 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 16:18:18,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-12-02 16:18:18,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 16:18:18,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 16:18:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 16:18:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 16:18:18,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-12-02 16:18:18,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:18:18,791 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 16:18:18,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-02 16:18:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 16:18:18,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 16:18:18,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 16:18:18,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 16:18:19,422 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 50 [2020-12-02 16:18:19,771 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 71 [2020-12-02 16:18:20,137 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-12-02 16:18:20,282 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-12-02 16:18:20,285 INFO L262 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-12-02 16:18:20,286 INFO L262 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-12-02 16:18:20,286 INFO L262 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-12-02 16:18:20,286 INFO L262 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-12-02 16:18:20,292 INFO L258 CegarLoopResult]: At program point L118(lines 109 119) the Hoare annotation is: (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start_main_~y~0))) (and (not (= (_ bv0 32) ULTIMATE.start_fmod_float_~hy~0)) (= (fp ((_ extract 31 31) |ULTIMATE.start_fmod_float_#res|) ((_ extract 30 23) |ULTIMATE.start_fmod_float_#res|) ((_ extract 22 0) |ULTIMATE.start_fmod_float_#res|)) (_ +zero 8 24)) (not (bvsgt .cse0 (_ bv2139095040 32))) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_43 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_43) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_43) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_43))) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_43 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_43)) ULTIMATE.start_fmod_float_~hx~0))) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_28 (_ BitVec 32))) (= ULTIMATE.start_fmod_float_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_28))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~x) ((_ extract 30 23) ULTIMATE.start_fmod_float_~x) ((_ extract 22 0) ULTIMATE.start_fmod_float_~x))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~x) ((_ extract 30 23) ULTIMATE.start___signbit_float_~x) ((_ extract 22 0) ULTIMATE.start___signbit_float_~x))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_main_~x~0) ((_ extract 30 23) ULTIMATE.start_main_~x~0) ((_ extract 22 0) ULTIMATE.start_main_~x~0))) (not (= (_ bv0 32) .cse0)) (= (_ +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))) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= (fp ((_ extract 31 31) ULTIMATE.start_main_~res~0) ((_ extract 30 23) ULTIMATE.start_main_~res~0) ((_ extract 22 0) ULTIMATE.start_main_~res~0)) (_ +zero 8 24)) |ULTIMATE.start_main_#t~short37|)) [2020-12-02 16:18:20,292 INFO L262 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-12-02 16:18:20,293 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-02 16:18:20,293 INFO L258 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-12-02 16:18:20,293 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 16:18:20,293 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 16:18:20,293 INFO L262 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-12-02 16:18:20,293 INFO L262 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-12-02 16:18:20,294 INFO L262 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-12-02 16:18:20,294 INFO L262 CegarLoopResult]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2020-12-02 16:18:20,294 INFO L262 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-12-02 16:18:20,294 INFO L262 CegarLoopResult]: For program point L112-1(lines 112 116) no Hoare annotation was computed. [2020-12-02 16:18:20,295 INFO L258 CegarLoopResult]: At program point L112-2(lines 112 116) the Hoare annotation is: (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start_main_~y~0))) (and (not (= (_ bv0 32) ULTIMATE.start_fmod_float_~hy~0)) (= (fp ((_ extract 31 31) |ULTIMATE.start_fmod_float_#res|) ((_ extract 30 23) |ULTIMATE.start_fmod_float_#res|) ((_ extract 22 0) |ULTIMATE.start_fmod_float_#res|)) (_ +zero 8 24)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~x) ((_ extract 30 23) ULTIMATE.start_fmod_float_~x) ((_ extract 22 0) ULTIMATE.start_fmod_float_~x))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~x) ((_ extract 30 23) ULTIMATE.start___signbit_float_~x) ((_ extract 22 0) ULTIMATE.start___signbit_float_~x))) (not (bvsgt .cse0 (_ bv2139095040 32))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_main_~x~0) ((_ extract 30 23) ULTIMATE.start_main_~x~0) ((_ extract 22 0) ULTIMATE.start_main_~x~0))) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_43 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_43) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_43) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_43))) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_43 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_43)) ULTIMATE.start_fmod_float_~hx~0))) (not (= (_ bv0 32) .cse0)) (= (fp ((_ extract 31 31) ULTIMATE.start_main_~res~0) ((_ extract 30 23) ULTIMATE.start_main_~res~0) ((_ extract 22 0) ULTIMATE.start_main_~res~0)) (_ +zero 8 24)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_28 (_ BitVec 32))) (= ULTIMATE.start_fmod_float_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_28))) |ULTIMATE.start_main_#t~short37|)) [2020-12-02 16:18:20,295 INFO L262 CegarLoopResult]: For program point L112-3(lines 112 116) no Hoare annotation was computed. [2020-12-02 16:18:20,295 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-02 16:18:20,295 INFO L262 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-12-02 16:18:20,296 INFO L262 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-12-02 16:18:20,296 INFO L262 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-12-02 16:18:20,296 INFO L258 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (let ((.cse1 (bvand (_ bv2147483647 32) ULTIMATE.start_main_~y~0)) (.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start_fmod_float_~y))) (and (not (bvsgt .cse0 (_ bv2139095040 32))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~x) ((_ extract 30 23) ULTIMATE.start_fmod_float_~x) ((_ extract 22 0) ULTIMATE.start_fmod_float_~x))) (not (bvsgt .cse1 (_ bv2139095040 32))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_main_~x~0) ((_ extract 30 23) ULTIMATE.start_main_~x~0) ((_ extract 22 0) ULTIMATE.start_main_~x~0))) (not (= (_ bv0 32) .cse1)) (not (= .cse0 (_ bv0 32))))) [2020-12-02 16:18:20,296 INFO L262 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-12-02 16:18:20,297 INFO L262 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-12-02 16:18:20,297 INFO L258 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start_main_~y~0))) (and (not (= (_ bv0 32) ULTIMATE.start_fmod_float_~hy~0)) (= (fp ((_ extract 31 31) |ULTIMATE.start_fmod_float_#res|) ((_ extract 30 23) |ULTIMATE.start_fmod_float_#res|) ((_ extract 22 0) |ULTIMATE.start_fmod_float_#res|)) (_ +zero 8 24)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_fmod_float_~x) ((_ extract 30 23) ULTIMATE.start_fmod_float_~x) ((_ extract 22 0) ULTIMATE.start_fmod_float_~x))) (not (bvsgt .cse0 (_ bv2139095040 32))) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start_main_~x~0) ((_ extract 30 23) ULTIMATE.start_main_~x~0) ((_ extract 22 0) ULTIMATE.start_main_~x~0))) (exists ((v_ULTIMATE.start_fmod_float_~hx~0_43 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) v_ULTIMATE.start_fmod_float_~hx~0_43) ((_ extract 30 23) v_ULTIMATE.start_fmod_float_~hx~0_43) ((_ extract 22 0) v_ULTIMATE.start_fmod_float_~hx~0_43))) (= (bvxor v_ULTIMATE.start_fmod_float_~hx~0_43 (bvand (_ bv2147483648 32) v_ULTIMATE.start_fmod_float_~hx~0_43)) ULTIMATE.start_fmod_float_~hx~0))) (not (= (_ bv0 32) .cse0)) (exists ((v_ULTIMATE.start_fmod_float_~hy~0_28 (_ BitVec 32))) (= ULTIMATE.start_fmod_float_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_float_~hy~0_28))))) [2020-12-02 16:18:20,297 INFO L262 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-12-02 16:18:20,297 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-02 16:18:20,298 INFO L262 CegarLoopResult]: For program point L131-2(lines 131 140) no Hoare annotation was computed. [2020-12-02 16:18:20,298 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 16:18:20,298 INFO L262 CegarLoopResult]: For program point L131-4(lines 131 140) no Hoare annotation was computed. [2020-12-02 16:18:20,298 INFO L262 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-12-02 16:18:20,298 INFO L258 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-12-02 16:18:20,299 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2020-12-02 16:18:20,299 INFO L262 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-12-02 16:18:20,299 INFO L258 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-12-02 16:18:20,299 INFO L262 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-12-02 16:18:20,299 INFO L258 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-12-02 16:18:20,300 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 16:18:20,300 INFO L262 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-12-02 16:18:20,300 INFO L262 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-12-02 16:18:20,300 INFO L262 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-12-02 16:18:20,300 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-12-02 16:18:20,301 INFO L262 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-12-02 16:18:20,301 INFO L258 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-12-02 16:18:20,301 INFO L262 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-12-02 16:18:20,301 INFO L265 CegarLoopResult]: At program point L142(lines 121 143) the Hoare annotation is: true [2020-12-02 16:18:20,301 INFO L262 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-12-02 16:18:20,302 INFO L258 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-12-02 16:18:20,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,312 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,313 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:18:20 BoogieIcfgContainer [2020-12-02 16:18:20,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 16:18:20,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 16:18:20,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 16:18:20,342 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 16:18:20,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:18:06" (3/4) ... [2020-12-02 16:18:20,347 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 16:18:20,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-02 16:18:20,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-02 16:18:20,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 16:18:20,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 16:18:20,416 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 16:18:20,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 16:18:20,418 INFO L168 Benchmark]: Toolchain (without parser) took 17901.37 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 16.2 MB in the beginning and 21.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:18:20,419 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 24.2 MB in the beginning and 24.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:18:20,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.07 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 16.0 MB in the beginning and 33.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:18:20,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.50 ms. Allocated memory is still 50.3 MB. Free memory was 33.2 MB in the beginning and 31.0 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:18:20,421 INFO L168 Benchmark]: Boogie Preprocessor took 104.09 ms. Allocated memory is still 50.3 MB. Free memory was 31.0 MB in the beginning and 29.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:18:20,422 INFO L168 Benchmark]: RCFGBuilder took 3449.10 ms. Allocated memory is still 50.3 MB. Free memory was 28.8 MB in the beginning and 21.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-12-02 16:18:20,423 INFO L168 Benchmark]: TraceAbstraction took 13705.09 ms. Allocated memory is still 50.3 MB. Free memory was 21.4 MB in the beginning and 24.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-02 16:18:20,423 INFO L168 Benchmark]: Witness Printer took 74.58 ms. Allocated memory is still 50.3 MB. Free memory was 24.9 MB in the beginning and 21.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 16:18:20,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 24.2 MB in the beginning and 24.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.07 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 16.0 MB in the beginning and 33.4 MB in the end (delta: -17.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 130.50 ms. Allocated memory is still 50.3 MB. Free memory was 33.2 MB in the beginning and 31.0 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.09 ms. Allocated memory is still 50.3 MB. Free memory was 31.0 MB in the beginning and 29.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3449.10 ms. Allocated memory is still 50.3 MB. Free memory was 28.8 MB in the beginning and 21.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13705.09 ms. Allocated memory is still 50.3 MB. Free memory was 21.4 MB in the beginning and 24.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Witness Printer took 74.58 ms. Allocated memory is still 50.3 MB. Free memory was 24.9 MB in the beginning and 21.7 MB in the end (delta: 3.2 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_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 137]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2020-12-02 16:18:20,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,445 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] Derived loop invariant: ((((((!(0bv32 == hy) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && !~bvsgt32(~bvand32(2147483647bv32, y), 2139095040bv32)) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_43 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_43[31:31], v_ULTIMATE.start_fmod_float_~hx~0_43[30:23], v_ULTIMATE.start_fmod_float_~hx~0_43[22:0]) && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_43, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_43)) == hx)) && !(0bv32 == ~bvand32(2147483647bv32, y))) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_28 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_28)) - InvariantResult [Line: 109]: Loop Invariant [2020-12-02 16:18:20,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] Derived loop invariant: (((((((((((!(0bv32 == hy) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && !~bvsgt32(~bvand32(2147483647bv32, y), 2139095040bv32)) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_43 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_43[31:31], v_ULTIMATE.start_fmod_float_~hx~0_43[30:23], v_ULTIMATE.start_fmod_float_~hx~0_43[22:0]) && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_43, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_43)) == hx)) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_28 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_28))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && !(0bv32 == ~bvand32(2147483647bv32, y))) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && \result == 0bv32) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux - 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 [2020-12-02 16:18:20,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,455 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] [2020-12-02 16:18:20,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hx~0_43,QUANTIFIED] [2020-12-02 16:18:20,458 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_float_~hy~0_28,QUANTIFIED] Derived loop invariant: (((((((((!(0bv32 == hy) && ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && !~bvsgt32(~bvand32(2147483647bv32, y), 2139095040bv32)) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && (\exists v_ULTIMATE.start_fmod_float_~hx~0_43 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_fmod_float_~hx~0_43[31:31], v_ULTIMATE.start_fmod_float_~hx~0_43[30:23], v_ULTIMATE.start_fmod_float_~hx~0_43[22:0]) && ~bvxor32(v_ULTIMATE.start_fmod_float_~hx~0_43, ~bvand32(2147483648bv32, v_ULTIMATE.start_fmod_float_~hx~0_43)) == hx)) && !(0bv32 == ~bvand32(2147483647bv32, y))) && ~fp~LONGDOUBLE(res[31:31], res[30:23], res[22:0]) == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_float_~hy~0_28 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_float_~hy~0_28))) && aux-res == 0.0f && __signbit_float(res) == 0-aux - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((!~bvsgt32(~bvand32(2147483647bv32, y), 2139095040bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && !~bvsgt32(~bvand32(2147483647bv32, y), 2139095040bv32)) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0])) && !(0bv32 == ~bvand32(2147483647bv32, y))) && !(~bvand32(2147483647bv32, y) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 192 SDtfs, 699 SDslu, 518 SDs, 0 SdLazy, 336 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=3, 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, 5 MinimizatonAttempts, 94 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 304 HoareAnnotationTreeSize, 11 FomulaSimplifications, 1941 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 11 FomulaSimplificationsInter, 455 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 21 QuantifiedInterpolants, 19057 SizeOfPredicates, 34 NumberOfNonLiveVariables, 365 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...