./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-benchs/filter1.c.v+nlh-reducer.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-benchs/filter1.c.v+nlh-reducer.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 3fd40f53ed73ef3dd0f75e7f5d32947f60951c95 ...................................................................................................................................................................................................................................................................................................................... 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-benchs/filter1.c.v+nlh-reducer.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 3fd40f53ed73ef3dd0f75e7f5d32947f60951c95 ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 14:21:01,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:21:01,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:21:01,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:21:01,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:21:01,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:21:01,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:21:01,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:21:01,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:21:01,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:21:01,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:21:01,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:21:01,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:21:01,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:21:01,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:21:01,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:21:01,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:21:01,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:21:01,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:21:01,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:21:01,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:21:01,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:21:01,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:21:01,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:21:01,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:21:01,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:21:01,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:21:01,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:21:01,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:21:01,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:21:01,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:21:01,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:21:01,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:21:01,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:21:01,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:21:01,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:21:01,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:21:01,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:21:01,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:21:01,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:21:01,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:21:01,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:21:01,969 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:21:01,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:21:01,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:21:01,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:21:01,973 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:21:01,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:21:01,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:21:01,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:21:01,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:21:01,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:21:01,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:21:01,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:21:01,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:21:01,976 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:21:01,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:21:01,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:21:01,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:21:01,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:21:01,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:21:01,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:21:01,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:21:01,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:21:01,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:21:01,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:21:01,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:21:01,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:21:01,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:21:01,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:21:01,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:21:01,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fd40f53ed73ef3dd0f75e7f5d32947f60951c95 [2020-12-02 14:21:02,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:21:02,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:21:02,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:21:02,472 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:21:02,473 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:21:02,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter1.c.v+nlh-reducer.c [2020-12-02 14:21:02,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2852167dc/c31cbab89ece46fca375ad7dd262f884/FLAGf2d26fba2 [2020-12-02 14:21:03,274 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:21:03,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter1.c.v+nlh-reducer.c [2020-12-02 14:21:03,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2852167dc/c31cbab89ece46fca375ad7dd262f884/FLAGf2d26fba2 [2020-12-02 14:21:03,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2852167dc/c31cbab89ece46fca375ad7dd262f884 [2020-12-02 14:21:03,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:21:03,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:21:03,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:21:03,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:21:03,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:21:03,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:03" (1/1) ... [2020-12-02 14:21:03,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10332f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:03, skipping insertion in model container [2020-12-02 14:21:03,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:03" (1/1) ... [2020-12-02 14:21:03,662 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:21:03,706 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:21:04,001 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-benchs/filter1.c.v+nlh-reducer.c[1372,1385] [2020-12-02 14:21:04,012 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-benchs/filter1.c.v+nlh-reducer.c[2411,2424] [2020-12-02 14:21:04,019 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:21:04,031 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:21:04,052 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-benchs/filter1.c.v+nlh-reducer.c[1372,1385] [2020-12-02 14:21:04,058 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-benchs/filter1.c.v+nlh-reducer.c[2411,2424] [2020-12-02 14:21:04,063 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:21:04,082 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:21:04,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04 WrapperNode [2020-12-02 14:21:04,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:21:04,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:21:04,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:21:04,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:21:04,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:21:04,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:21:04,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:21:04,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:21:04,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... [2020-12-02 14:21:04,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:21:04,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:21:04,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:21:04,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:21:04,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:21:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-02 14:21:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:21:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:21:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:21:04,656 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:21:04,656 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 14:21:04,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:04 BoogieIcfgContainer [2020-12-02 14:21:04,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:21:04,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:21:04,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:21:04,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:21:04,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:21:03" (1/3) ... [2020-12-02 14:21:04,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce39fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:21:04, skipping insertion in model container [2020-12-02 14:21:04,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:04" (2/3) ... [2020-12-02 14:21:04,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce39fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:21:04, skipping insertion in model container [2020-12-02 14:21:04,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:04" (3/3) ... [2020-12-02 14:21:04,684 INFO L111 eAbstractionObserver]: Analyzing ICFG filter1.c.v+nlh-reducer.c [2020-12-02 14:21:04,720 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:21:04,724 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-02 14:21:04,742 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-02 14:21:04,778 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:21:04,778 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:21:04,779 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:21:04,779 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:21:04,779 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:21:04,779 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:21:04,779 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:21:04,780 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:21:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-12-02 14:21:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 14:21:04,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:21:04,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:21:04,810 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:21:04,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:21:04,818 INFO L82 PathProgramCache]: Analyzing trace with hash 775758574, now seen corresponding path program 1 times [2020-12-02 14:21:04,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 14:21:04,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15743419] [2020-12-02 14:21:04,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 14:21:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:21:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:21:05,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15743419] [2020-12-02 14:21:05,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:21:05,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-02 14:21:05,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673084075] [2020-12-02 14:21:05,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 14:21:05,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-02 14:21:05,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 14:21:05,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-02 14:21:05,228 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 5 states. [2020-12-02 14:21:05,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:21:05,351 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2020-12-02 14:21:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 14:21:05,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-02 14:21:05,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:21:05,365 INFO L225 Difference]: With dead ends: 47 [2020-12-02 14:21:05,366 INFO L226 Difference]: Without dead ends: 34 [2020-12-02 14:21:05,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-02 14:21:05,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-02 14:21:05,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-12-02 14:21:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-02 14:21:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2020-12-02 14:21:05,420 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 13 [2020-12-02 14:21:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:21:05,421 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2020-12-02 14:21:05,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 14:21:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-12-02 14:21:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 14:21:05,422 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:21:05,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:21:05,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-02 14:21:05,423 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:21:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:21:05,424 INFO L82 PathProgramCache]: Analyzing trace with hash 845201395, now seen corresponding path program 1 times [2020-12-02 14:21:05,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-02 14:21:05,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695250734] [2020-12-02 14:21:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-02 14:21:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:21:05,450 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:21:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 14:21:05,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 14:21:05,510 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-02 14:21:05,510 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 14:21:05,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-02 14:21:05,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:21:05 BoogieIcfgContainer [2020-12-02 14:21:05,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:21:05,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:21:05,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:21:05,563 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:21:05,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:04" (3/4) ... [2020-12-02 14:21:05,570 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 14:21:05,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:21:05,573 INFO L168 Benchmark]: Toolchain (without parser) took 1934.93 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 33.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 133.3 kB. Max. memory is 16.1 GB. [2020-12-02 14:21:05,574 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 44.0 MB. Free memory is still 28.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:21:05,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.74 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 20.9 MB in the end (delta: 27.9 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 14:21:05,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.75 ms. Allocated memory is still 44.0 MB. Free memory was 20.7 MB in the beginning and 19.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:21:05,576 INFO L168 Benchmark]: Boogie Preprocessor took 34.85 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.2 MB in the beginning and 38.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:21:05,577 INFO L168 Benchmark]: RCFGBuilder took 491.92 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 34.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:21:05,578 INFO L168 Benchmark]: TraceAbstraction took 898.56 ms. Allocated memory is still 54.5 MB. Free memory was 34.1 MB in the beginning and 34.0 MB in the end (delta: 170.4 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-12-02 14:21:05,579 INFO L168 Benchmark]: Witness Printer took 6.96 ms. Allocated memory is still 54.5 MB. Free memory was 33.7 MB in the beginning and 33.4 MB in the end (delta: 271.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:21:05,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 44.0 MB. Free memory is still 28.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.74 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 20.9 MB in the end (delta: 27.9 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.75 ms. Allocated memory is still 44.0 MB. Free memory was 20.7 MB in the beginning and 19.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.85 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.2 MB in the beginning and 38.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 491.92 ms. Allocated memory is still 54.5 MB. Free memory was 38.1 MB in the beginning and 34.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 898.56 ms. Allocated memory is still 54.5 MB. Free memory was 34.1 MB in the beginning and 34.0 MB in the end (delta: 170.4 kB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Witness Printer took 6.96 ms. Allocated memory is still 54.5 MB. Free memory was 33.7 MB in the beginning and 33.4 MB in the end (delta: 271.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_real at line 42, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 46. Possible FailurePath: [L1] int __return_main; [L13] int __tmp_129_0; [L14] int __tmp_129_1; [L15] int __tmp_129_2; [L16] int __tmp_112_0; [L17] int __return_134; VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L20] double main__E0; [L21] double main__E1; [L22] double main__S; [L23] int main__i; [L24] main__E1 = 0 [L25] main__S = 0 [L26] main__i = 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L27] COND TRUE main__i <= 1000000 [L29] main__E0 = __VERIFIER_nondet_double() [L30] int main____CPAchecker_TMP_0; VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L31] COND TRUE main__E0 >= -1.0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L33] COND TRUE main__E0 <= 1.0 [L35] main____CPAchecker_TMP_0 = 1 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L36] COND TRUE main____CPAchecker_TMP_0 != 0 [L38] int main____CPAchecker_TMP_1; [L39] main____CPAchecker_TMP_1 = __VERIFIER_nondet_int() [L40] COND TRUE !(main____CPAchecker_TMP_1 == 0) [L42] main__S = 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L44] main__E1 = main__E0 [L45] int main____CPAchecker_TMP_2; VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L46] COND FALSE !(main__S >= -10000.0) VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L166] main____CPAchecker_TMP_2 = 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L53] int __tmp_1; [L54] __tmp_1 = main____CPAchecker_TMP_2 [L55] int __VERIFIER_assert__cond; [L56] __VERIFIER_assert__cond = __tmp_1 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L57] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] [L59] reach_error() VAL [__return_134=0, __return_main=0, __tmp_112_0=0, __tmp_129_0=0, __tmp_129_1=0, __tmp_129_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 45 SDtfs, 45 SDslu, 89 SDs, 0 SdLazy, 17 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 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 14:21:08,323 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-12-02 14:21:08,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:21:08,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:21:08,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:21:08,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:21:08,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:21:08,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:21:08,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:21:08,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:21:08,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:21:08,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:21:08,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:21:08,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:21:08,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:21:08,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:21:08,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:21:08,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:21:08,444 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:21:08,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:21:08,445 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:21:08,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:21:08,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:21:08,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:21:08,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:21:08,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:21:08,446 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:21:08,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:21:08,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:21:08,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:21:08,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:21:08,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:21:08,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:21:08,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:21:08,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:21:08,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:21:08,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:21:08,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:21:08,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:21:08,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:21:08,450 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:21:08,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:21:08,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:21:08,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:21:08,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:21:08,452 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fd40f53ed73ef3dd0f75e7f5d32947f60951c95 [2020-12-02 14:21:08,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:21:08,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:21:08,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:21:08,910 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:21:08,917 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:21:08,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/filter1.c.v+nlh-reducer.c [2020-12-02 14:21:09,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0476f7ee/67495a3826c94841abe342ba1e2d8db6/FLAG3fdafa6d1 [2020-12-02 14:21:09,670 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:21:09,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/filter1.c.v+nlh-reducer.c [2020-12-02 14:21:09,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0476f7ee/67495a3826c94841abe342ba1e2d8db6/FLAG3fdafa6d1 [2020-12-02 14:21:10,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0476f7ee/67495a3826c94841abe342ba1e2d8db6 [2020-12-02 14:21:10,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:21:10,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:21:10,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:21:10,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:21:10,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:21:10,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79175a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10, skipping insertion in model container [2020-12-02 14:21:10,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,051 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:21:10,082 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:21:10,323 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-benchs/filter1.c.v+nlh-reducer.c[1372,1385] [2020-12-02 14:21:10,336 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-benchs/filter1.c.v+nlh-reducer.c[2411,2424] [2020-12-02 14:21:10,346 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:21:10,367 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:21:10,391 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-benchs/filter1.c.v+nlh-reducer.c[1372,1385] [2020-12-02 14:21:10,402 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-benchs/filter1.c.v+nlh-reducer.c[2411,2424] [2020-12-02 14:21:10,418 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:21:10,452 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:21:10,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10 WrapperNode [2020-12-02 14:21:10,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:21:10,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:21:10,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:21:10,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:21:10,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:21:10,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:21:10,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:21:10,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:21:10,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... [2020-12-02 14:21:10,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:21:10,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:21:10,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:21:10,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:21:10,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:21:10,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 14:21:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:21:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:21:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:21:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:21:15,509 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:21:15,510 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-02 14:21:15,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:15 BoogieIcfgContainer [2020-12-02 14:21:15,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:21:15,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:21:15,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:21:15,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:21:15,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:21:10" (1/3) ... [2020-12-02 14:21:15,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0f4935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:21:15, skipping insertion in model container [2020-12-02 14:21:15,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:10" (2/3) ... [2020-12-02 14:21:15,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0f4935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:21:15, skipping insertion in model container [2020-12-02 14:21:15,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:21:15" (3/3) ... [2020-12-02 14:21:15,522 INFO L111 eAbstractionObserver]: Analyzing ICFG filter1.c.v+nlh-reducer.c [2020-12-02 14:21:15,537 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:21:15,540 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-02 14:21:15,553 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-02 14:21:15,591 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:21:15,591 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:21:15,591 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:21:15,591 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:21:15,591 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:21:15,592 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:21:15,592 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:21:15,592 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:21:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-12-02 14:21:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 14:21:15,616 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:21:15,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:21:15,617 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:21:15,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:21:15,625 INFO L82 PathProgramCache]: Analyzing trace with hash 775758574, now seen corresponding path program 1 times [2020-12-02 14:21:15,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:21:15,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854848223] [2020-12-02 14:21:15,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 14:21:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:21:15,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-02 14:21:15,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:21:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:21:15,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:21:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:21:15,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854848223] [2020-12-02 14:21:15,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:21:15,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 14:21:16,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170944639] [2020-12-02 14:21:16,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 14:21:16,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:21:16,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 14:21:16,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:21:16,026 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 6 states. [2020-12-02 14:21:16,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:21:16,179 INFO L93 Difference]: Finished difference Result 65 states and 86 transitions. [2020-12-02 14:21:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 14:21:16,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-02 14:21:16,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:21:16,193 INFO L225 Difference]: With dead ends: 65 [2020-12-02 14:21:16,193 INFO L226 Difference]: Without dead ends: 48 [2020-12-02 14:21:16,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-02 14:21:16,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-02 14:21:16,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 32. [2020-12-02 14:21:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-02 14:21:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2020-12-02 14:21:16,246 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 13 [2020-12-02 14:21:16,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:21:16,246 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2020-12-02 14:21:16,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 14:21:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2020-12-02 14:21:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 14:21:16,248 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:21:16,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:21:16,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 14:21:16,464 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:21:16,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:21:16,467 INFO L82 PathProgramCache]: Analyzing trace with hash 845201395, now seen corresponding path program 1 times [2020-12-02 14:21:16,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:21:16,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475594207] [2020-12-02 14:21:16,472 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 14:21:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:21:16,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-02 14:21:16,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:21:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:21:16,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:21:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:21:16,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475594207] [2020-12-02 14:21:16,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:21:16,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 14:21:16,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774555561] [2020-12-02 14:21:16,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 14:21:16,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:21:16,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 14:21:16,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:21:16,988 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand 6 states. [2020-12-02 14:21:24,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:21:24,441 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2020-12-02 14:21:24,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 14:21:24,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-02 14:21:24,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:21:24,444 INFO L225 Difference]: With dead ends: 77 [2020-12-02 14:21:24,444 INFO L226 Difference]: Without dead ends: 57 [2020-12-02 14:21:24,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:21:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-02 14:21:24,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 34. [2020-12-02 14:21:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-02 14:21:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2020-12-02 14:21:24,456 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 13 [2020-12-02 14:21:24,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:21:24,456 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2020-12-02 14:21:24,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 14:21:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2020-12-02 14:21:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 14:21:24,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:21:24,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:21:24,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 14:21:24,673 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:21:24,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:21:24,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1168948157, now seen corresponding path program 1 times [2020-12-02 14:21:24,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:21:24,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039093949] [2020-12-02 14:21:24,676 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 14:21:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:21:25,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-02 14:21:25,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:21:25,457 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-02 14:21:25,743 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-02 14:21:26,096 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-02 14:21:28,185 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet33_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet11_7| (_ BitVec 64)) (|ULTIMATE.start_main_#t~nondet10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_7| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet32_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet31_5| (_ BitVec 64)) (ULTIMATE.start_main_~main__E0~0 (_ BitVec 64)) (v_ULTIMATE.start_main_~main__S~0_21 (_ BitVec 64)) (ULTIMATE.start_main_~main__E1~0 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet11_7|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet11_7|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet11_7|))) (.cse5 (fp ((_ extract 63 63) |ULTIMATE.start_main_#t~nondet10|) ((_ extract 62 52) |ULTIMATE.start_main_#t~nondet10|) ((_ extract 51 0) |ULTIMATE.start_main_#t~nondet10|))) (.cse4 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E1~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E1~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E1~0))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_7|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_7|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_7|))) (.cse7 ((_ to_fp 11 53) c_~CRM 1.0)) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet33_5|))) (.cse1 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E0~0))) (.cse3 ((_ to_fp 11 53) c_~CRM (_ bv0 32))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet32_5|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet31_5|))) (.cse10 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~main__S~0_21) ((_ extract 62 52) v_ULTIMATE.start_main_~main__S~0_21) ((_ extract 51 0) v_ULTIMATE.start_main_~main__S~0_21)))) (and (= .cse0 ((_ to_fp 11 53) c_~CRM (/ 999.0 1000.0))) (fp.geq .cse1 .cse2) (= .cse3 .cse4) (= (fp.neg .cse5) .cse2) (fp.leq .cse1 .cse6) (= .cse7 .cse5) (= (fp.sub c_~CRM .cse8 .cse4) (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0))) (= .cse6 .cse7) (= .cse8 (fp.add c_~CRM .cse9 .cse1)) (= .cse10 .cse3) (= .cse9 (fp.mul c_~CRM .cse0 .cse10)))))) is different from false [2020-12-02 14:21:30,298 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main_#t~nondet15| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |ULTIMATE.start_main_#t~nondet15|) ((_ extract 62 52) |ULTIMATE.start_main_#t~nondet15|) ((_ extract 51 0) |ULTIMATE.start_main_#t~nondet15|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 10000.0) .cse0) (= (fp ((_ extract 63 63) |c_ULTIMATE.start_main_#t~nondet16|) ((_ extract 62 52) |c_ULTIMATE.start_main_#t~nondet16|) ((_ extract 51 0) |c_ULTIMATE.start_main_#t~nondet16|)) (fp.neg .cse0))))) (exists ((|v_ULTIMATE.start_main_#t~nondet33_5| (_ BitVec 64)) (|ULTIMATE.start_main_#t~nondet10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet11_7| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_7| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet32_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet31_5| (_ BitVec 64)) (ULTIMATE.start_main_~main__E0~0 (_ BitVec 64)) (v_ULTIMATE.start_main_~main__S~0_21 (_ BitVec 64)) (ULTIMATE.start_main_~main__E1~0 (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |ULTIMATE.start_main_#t~nondet10|) ((_ extract 62 52) |ULTIMATE.start_main_#t~nondet10|) ((_ extract 51 0) |ULTIMATE.start_main_#t~nondet10|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet11_7|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet11_7|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet11_7|))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse5 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E0~0))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_7|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_7|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_7|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet33_5|))) (.cse2 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E1~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E1~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E1~0))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet32_5|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet31_5|))) (.cse7 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~main__S~0_21) ((_ extract 62 52) v_ULTIMATE.start_main_~main__S~0_21) ((_ extract 51 0) v_ULTIMATE.start_main_~main__S~0_21)))) (and (= .cse1 .cse2) (= .cse3 .cse4) (fp.geq .cse5 .cse6) (= (fp.neg .cse4) .cse6) (= .cse7 .cse1) (fp.leq .cse5 .cse8) (= .cse9 (fp.add roundNearestTiesToEven .cse10 .cse5)) (= .cse3 .cse8) (= (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0)) (fp.sub roundNearestTiesToEven .cse9 .cse2)) (= .cse11 ((_ to_fp 11 53) roundNearestTiesToEven (/ 999.0 1000.0))) (= .cse10 (fp.mul roundNearestTiesToEven .cse11 .cse7)))))) is different from false [2020-12-02 14:21:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:21:30,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:21:32,690 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet33_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet32_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet31_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__S~0_22 (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet15_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet31_5|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet15_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_12|))) (.cse4 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~main__S~0_22) ((_ extract 62 52) v_ULTIMATE.start_main_~main__S~0_22) ((_ extract 51 0) v_ULTIMATE.start_main_~main__S~0_22))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet33_5|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet32_5|)))) (or (not (= .cse0 ((_ to_fp 11 53) c_~CRM (/ 999.0 1000.0)))) (not (= .cse1 (fp.mul c_~CRM .cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0))))) (not (= ((_ to_fp 11 53) c_~CRM 10000.0) .cse2)) (not (= (fp.neg .cse2) .cse3)) (fp.geq .cse4 .cse3) (not (= (fp.sub c_~CRM .cse5 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__E1~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__E1~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__E1~0))) .cse4)) (not (= .cse5 (fp.add c_~CRM .cse1 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__E0~0)))))))) is different from true [2020-12-02 14:21:34,794 WARN L860 $PredicateComparison]: unable to prove that (or (not (fp.leq (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__E0~0)) (fp ((_ extract 63 63) |c_ULTIMATE.start_main_#t~nondet12|) ((_ extract 62 52) |c_ULTIMATE.start_main_#t~nondet12|) ((_ extract 51 0) |c_ULTIMATE.start_main_#t~nondet12|)))) (forall ((|v_ULTIMATE.start_main_#t~nondet33_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet32_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet31_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__S~0_22 (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet15_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet31_5|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet15_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_12|))) (.cse4 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~main__S~0_22) ((_ extract 62 52) v_ULTIMATE.start_main_~main__S~0_22) ((_ extract 51 0) v_ULTIMATE.start_main_~main__S~0_22))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet33_5|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet32_5|)))) (or (not (= .cse0 ((_ to_fp 11 53) c_~CRM (/ 999.0 1000.0)))) (not (= .cse1 (fp.mul c_~CRM .cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0))))) (not (= ((_ to_fp 11 53) c_~CRM 10000.0) .cse2)) (not (= (fp.neg .cse2) .cse3)) (fp.geq .cse4 .cse3) (not (= (fp.sub c_~CRM .cse5 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__E1~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__E1~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__E1~0))) .cse4)) (not (= .cse5 (fp.add c_~CRM .cse1 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__E0~0))))))))) is different from true [2020-12-02 14:21:36,882 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet33_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet32_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet31_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__S~0_22 (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (ULTIMATE.start_main_~main__E0~0 (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet15_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet31_5|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet15_8|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_12|))) (.cse6 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~main__S~0_22) ((_ extract 62 52) v_ULTIMATE.start_main_~main__S~0_22) ((_ extract 51 0) v_ULTIMATE.start_main_~main__S~0_22))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet33_5|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet32_5|))) (.cse1 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E0~0)))) (or (not (= .cse0 ((_ to_fp 11 53) c_~CRM (/ 999.0 1000.0)))) (not (fp.leq .cse1 .cse2)) (not (fp.geq .cse1 (fp ((_ extract 63 63) |c_ULTIMATE.start_main_#t~nondet11|) ((_ extract 62 52) |c_ULTIMATE.start_main_#t~nondet11|) ((_ extract 51 0) |c_ULTIMATE.start_main_#t~nondet11|)))) (not (= .cse3 (fp.mul c_~CRM .cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0))))) (not (= ((_ to_fp 11 53) c_~CRM 10000.0) .cse4)) (not (= (fp.neg .cse4) .cse5)) (fp.geq .cse6 .cse5) (not (= (fp.sub c_~CRM .cse7 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__E1~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__E1~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__E1~0))) .cse6)) (not (= .cse2 ((_ to_fp 11 53) c_~CRM 1.0))) (not (= .cse7 (fp.add c_~CRM .cse3 .cse1)))))) is different from true [2020-12-02 14:21:39,000 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~nondet10_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet33_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet32_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet31_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet16_12| (_ BitVec 64)) (v_ULTIMATE.start_main_~main__S~0_22 (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet11_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_9| (_ BitVec 64)) (ULTIMATE.start_main_~main__E0~0 (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet15_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet11_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet11_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet11_9|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet31_5|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet15_8|))) (.cse7 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_12|))) (.cse8 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~main__S~0_22) ((_ extract 62 52) v_ULTIMATE.start_main_~main__S~0_22) ((_ extract 51 0) v_ULTIMATE.start_main_~main__S~0_22))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet10_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet10_6|))) (.cse4 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_9|))) (.cse10 ((_ to_fp 11 53) c_~CRM 1.0)) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet33_5|))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet32_5|))) (.cse3 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E0~0)))) (or (not (= .cse0 ((_ to_fp 11 53) c_~CRM (/ 999.0 1000.0)))) (not (= (fp.neg .cse1) .cse2)) (not (fp.geq .cse3 .cse2)) (not (fp.leq .cse3 .cse4)) (not (= .cse5 (fp.mul c_~CRM .cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0))))) (not (= ((_ to_fp 11 53) c_~CRM 10000.0) .cse6)) (not (= (fp.neg .cse6) .cse7)) (fp.geq .cse8 .cse7) (not (= (fp.sub c_~CRM .cse9 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__E1~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__E1~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__E1~0))) .cse8)) (not (= .cse10 .cse1)) (not (= .cse4 .cse10)) (not (= .cse9 (fp.add c_~CRM .cse5 .cse3)))))) is different from true [2020-12-02 14:21:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:21:39,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039093949] [2020-12-02 14:21:39,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:21:39,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-12-02 14:21:39,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835259260] [2020-12-02 14:21:39,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-02 14:21:39,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:21:39,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-02 14:21:39,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=6, NotChecked=114, Total=210 [2020-12-02 14:21:39,426 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand 15 states. [2020-12-02 14:21:41,762 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 104 DAG size of output: 35 [2020-12-02 14:21:42,578 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 47 [2020-12-02 14:21:49,016 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet33_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet11_7| (_ BitVec 64)) (|ULTIMATE.start_main_#t~nondet10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_7| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet32_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet31_5| (_ BitVec 64)) (ULTIMATE.start_main_~main__E0~0 (_ BitVec 64)) (v_ULTIMATE.start_main_~main__S~0_21 (_ BitVec 64)) (ULTIMATE.start_main_~main__E1~0 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet11_7|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet11_7|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet11_7|))) (.cse5 (fp ((_ extract 63 63) |ULTIMATE.start_main_#t~nondet10|) ((_ extract 62 52) |ULTIMATE.start_main_#t~nondet10|) ((_ extract 51 0) |ULTIMATE.start_main_#t~nondet10|))) (.cse4 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E1~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E1~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E1~0))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_7|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_7|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_7|))) (.cse7 ((_ to_fp 11 53) c_~CRM 1.0)) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet33_5|))) (.cse1 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E0~0))) (.cse3 ((_ to_fp 11 53) c_~CRM (_ bv0 32))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet32_5|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet31_5|))) (.cse10 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~main__S~0_21) ((_ extract 62 52) v_ULTIMATE.start_main_~main__S~0_21) ((_ extract 51 0) v_ULTIMATE.start_main_~main__S~0_21)))) (and (= .cse0 ((_ to_fp 11 53) c_~CRM (/ 999.0 1000.0))) (fp.geq .cse1 .cse2) (= .cse3 .cse4) (= (fp.neg .cse5) .cse2) (fp.leq .cse1 .cse6) (= .cse7 .cse5) (= (fp.sub c_~CRM .cse8 .cse4) (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0))) (= .cse6 .cse7) (= .cse8 (fp.add c_~CRM .cse9 .cse1)) (= .cse10 .cse3) (= .cse9 (fp.mul c_~CRM .cse0 .cse10))))) (forall ((|v_ULTIMATE.start_main_#t~nondet16_12| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet15_8| (_ BitVec 64))) (let ((.cse12 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet15_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet15_8|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet16_12|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet16_12|)))) (or (fp.geq (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0)) .cse11) (not (= ((_ to_fp 11 53) c_~CRM 10000.0) .cse12)) (not (= (fp.neg .cse12) .cse11)))))) is different from false [2020-12-02 14:21:54,166 WARN L197 SmtUtils]: Spent 4.95 s on a formula simplification that was a NOOP. DAG size: 35 [2020-12-02 14:21:56,211 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0)) (fp ((_ extract 63 63) |c_ULTIMATE.start_main_#t~nondet16|) ((_ extract 62 52) |c_ULTIMATE.start_main_#t~nondet16|) ((_ extract 51 0) |c_ULTIMATE.start_main_#t~nondet16|))) (exists ((|ULTIMATE.start_main_#t~nondet15| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |ULTIMATE.start_main_#t~nondet15|) ((_ extract 62 52) |ULTIMATE.start_main_#t~nondet15|) ((_ extract 51 0) |ULTIMATE.start_main_#t~nondet15|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 10000.0) .cse0) (= (fp ((_ extract 63 63) |c_ULTIMATE.start_main_#t~nondet16|) ((_ extract 62 52) |c_ULTIMATE.start_main_#t~nondet16|) ((_ extract 51 0) |c_ULTIMATE.start_main_#t~nondet16|)) (fp.neg .cse0))))) (exists ((|v_ULTIMATE.start_main_#t~nondet33_5| (_ BitVec 64)) (|ULTIMATE.start_main_#t~nondet10| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet11_7| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet12_7| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet32_5| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet31_5| (_ BitVec 64)) (ULTIMATE.start_main_~main__E0~0 (_ BitVec 64)) (v_ULTIMATE.start_main_~main__S~0_21 (_ BitVec 64)) (ULTIMATE.start_main_~main__E1~0 (_ BitVec 64))) (let ((.cse4 (fp ((_ extract 63 63) |ULTIMATE.start_main_#t~nondet10|) ((_ extract 62 52) |ULTIMATE.start_main_#t~nondet10|) ((_ extract 51 0) |ULTIMATE.start_main_#t~nondet10|))) (.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet11_7|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet11_7|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet11_7|))) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse5 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E0~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E0~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E0~0))) (.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet12_7|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet12_7|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet12_7|))) (.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet33_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet33_5|))) (.cse2 (fp ((_ extract 63 63) ULTIMATE.start_main_~main__E1~0) ((_ extract 62 52) ULTIMATE.start_main_~main__E1~0) ((_ extract 51 0) ULTIMATE.start_main_~main__E1~0))) (.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet32_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet32_5|))) (.cse11 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet31_5|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet31_5|))) (.cse7 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~main__S~0_21) ((_ extract 62 52) v_ULTIMATE.start_main_~main__S~0_21) ((_ extract 51 0) v_ULTIMATE.start_main_~main__S~0_21)))) (and (= .cse1 .cse2) (= .cse3 .cse4) (fp.geq .cse5 .cse6) (= (fp.neg .cse4) .cse6) (= .cse7 .cse1) (fp.leq .cse5 .cse8) (= .cse9 (fp.add roundNearestTiesToEven .cse10 .cse5)) (= .cse3 .cse8) (= (fp ((_ extract 63 63) c_ULTIMATE.start_main_~main__S~0) ((_ extract 62 52) c_ULTIMATE.start_main_~main__S~0) ((_ extract 51 0) c_ULTIMATE.start_main_~main__S~0)) (fp.sub roundNearestTiesToEven .cse9 .cse2)) (= .cse11 ((_ to_fp 11 53) roundNearestTiesToEven (/ 999.0 1000.0))) (= .cse10 (fp.mul roundNearestTiesToEven .cse11 .cse7)))))) is different from false [2020-12-02 14:22:21,843 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 14:22:22,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 14:22:22,046 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:128) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:281) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:759) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Broken pipe at java.base/java.io.FileOutputStream.writeBytes(Native Method) at java.base/java.io.FileOutputStream.write(FileOutputStream.java:354) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:254) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 31 more [2020-12-02 14:22:22,054 INFO L168 Benchmark]: Toolchain (without parser) took 72024.48 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.8 MB in the beginning and 36.7 MB in the end (delta: -12.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:22:22,055 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 37.7 MB. Free memory was 24.3 MB in the beginning and 24.3 MB in the end (delta: 19.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:22:22,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.51 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 21.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:22:22,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.48 ms. Allocated memory is still 46.1 MB. Free memory was 21.4 MB in the beginning and 19.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 14:22:22,058 INFO L168 Benchmark]: Boogie Preprocessor took 68.80 ms. Allocated memory is still 46.1 MB. Free memory was 19.4 MB in the beginning and 29.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:22:22,059 INFO L168 Benchmark]: RCFGBuilder took 4923.76 ms. Allocated memory is still 46.1 MB. Free memory was 29.7 MB in the beginning and 19.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-12-02 14:22:22,060 INFO L168 Benchmark]: TraceAbstraction took 66538.54 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 19.1 MB in the beginning and 36.7 MB in the end (delta: -17.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:22:22,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 37.7 MB. Free memory was 24.3 MB in the beginning and 24.3 MB in the end (delta: 19.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.51 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 21.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.48 ms. Allocated memory is still 46.1 MB. Free memory was 21.4 MB in the beginning and 19.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.80 ms. Allocated memory is still 46.1 MB. Free memory was 19.4 MB in the beginning and 29.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4923.76 ms. Allocated memory is still 46.1 MB. Free memory was 29.7 MB in the beginning and 19.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 66538.54 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 19.1 MB in the beginning and 36.7 MB in the end (delta: -17.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...