./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1122b.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 d8b47ecdb704e16d352286b75129bb9ac82f6df5 ................................................................................................................................................................................................................................................................................................... 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1122b.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 d8b47ecdb704e16d352286b75129bb9ac82f6df5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:39:58,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:39:58,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:39:58,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:39:58,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:39:58,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:39:58,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:39:58,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:39:58,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:39:58,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:39:58,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:39:58,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:39:58,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:39:58,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:39:58,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:39:58,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:39:58,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:39:58,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:39:58,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:39:58,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:39:58,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:39:58,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:39:58,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:39:58,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:39:58,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:39:58,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:39:58,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:39:58,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:39:58,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:39:58,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:39:58,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:39:58,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:39:58,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:39:58,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:39:58,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:39:58,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:39:58,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:39:58,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:39:58,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:39:58,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:39:58,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:39:58,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:39:58,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:39:58,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:39:58,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:39:58,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:39:58,895 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:39:58,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:39:58,896 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:39:58,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:39:58,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:39:58,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:39:58,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:39:58,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:39:58,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:39:58,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:39:58,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:39:58,897 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:39:58,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:39:58,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:39:58,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:39:58,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:39:58,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:39:58,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:39:58,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:39:58,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:39:58,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:39:58,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:39:58,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:39:58,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:39:58,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:39:58,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> d8b47ecdb704e16d352286b75129bb9ac82f6df5 [2020-10-20 00:39:59,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:39:59,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:39:59,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:39:59,178 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:39:59,184 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:39:59,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2020-10-20 00:39:59,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7cb0854b/635fdd8243b341e0b1ff53dc47f342c0/FLAG1f23f06bc [2020-10-20 00:39:59,834 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:39:59,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2020-10-20 00:39:59,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7cb0854b/635fdd8243b341e0b1ff53dc47f342c0/FLAG1f23f06bc [2020-10-20 00:40:00,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7cb0854b/635fdd8243b341e0b1ff53dc47f342c0 [2020-10-20 00:40:00,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:40:00,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:40:00,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:40:00,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:40:00,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:40:00,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311914c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00, skipping insertion in model container [2020-10-20 00:40:00,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:40:00,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:40:00,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:40:00,551 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:40:00,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:40:00,621 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:40:00,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00 WrapperNode [2020-10-20 00:40:00,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:40:00,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:40:00,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:40:00,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:40:00,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:40:00,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:40:00,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:40:00,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:40:00,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... [2020-10-20 00:40:00,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:40:00,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:40:00,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:40:00,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:40:00,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:40:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:40:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:40:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:40:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:40:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:40:01,312 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:40:01,312 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-20 00:40:01,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:40:01 BoogieIcfgContainer [2020-10-20 00:40:01,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:40:01,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:40:01,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:40:01,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:40:01,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:40:00" (1/3) ... [2020-10-20 00:40:01,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebef229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:40:01, skipping insertion in model container [2020-10-20 00:40:01,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:00" (2/3) ... [2020-10-20 00:40:01,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ebef229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:40:01, skipping insertion in model container [2020-10-20 00:40:01,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:40:01" (3/3) ... [2020-10-20 00:40:01,324 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2020-10-20 00:40:01,336 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:40:01,344 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:40:01,357 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:40:01,380 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:40:01,381 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:40:01,381 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:40:01,381 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:40:01,382 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:40:01,382 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:40:01,382 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:40:01,382 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:40:01,397 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-10-20 00:40:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:40:01,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:40:01,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:40:01,403 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:40:01,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:40:01,408 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2020-10-20 00:40:01,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:40:01,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99140110] [2020-10-20 00:40:01,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:40:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:40:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:01,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99140110] [2020-10-20 00:40:01,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:40:01,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:40:01,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271440025] [2020-10-20 00:40:01,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:40:01,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:40:01,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:40:01,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:40:01,605 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2020-10-20 00:40:01,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:40:01,635 INFO L93 Difference]: Finished difference Result 83 states and 139 transitions. [2020-10-20 00:40:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:40:01,637 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:40:01,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:40:01,660 INFO L225 Difference]: With dead ends: 83 [2020-10-20 00:40:01,661 INFO L226 Difference]: Without dead ends: 39 [2020-10-20 00:40:01,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:40:01,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-20 00:40:01,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-20 00:40:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 00:40:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-10-20 00:40:01,729 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2020-10-20 00:40:01,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:40:01,730 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-10-20 00:40:01,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:40:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-10-20 00:40:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:40:01,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:40:01,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:40:01,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:40:01,735 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:40:01,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:40:01,735 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2020-10-20 00:40:01,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:40:01,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557345299] [2020-10-20 00:40:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:40:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:40:01,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:40:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:40:01,994 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:40:02,023 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:40:02,024 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:40:02,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:40:02,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:40:02 BoogieIcfgContainer [2020-10-20 00:40:02,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:40:02,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:40:02,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:40:02,065 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:40:02,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:40:01" (3/4) ... [2020-10-20 00:40:02,069 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:40:02,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:40:02,073 INFO L168 Benchmark]: Toolchain (without parser) took 1881.32 ms. Allocated memory was 41.4 MB in the beginning and 46.1 MB in the end (delta: 4.7 MB). Free memory was 19.9 MB in the beginning and 19.8 MB in the end (delta: 115.6 kB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,074 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.8 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.78 ms. Allocated memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: 1.0 MB). Free memory was 18.9 MB in the beginning and 16.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.58 ms. Allocated memory is still 42.5 MB. Free memory was 16.4 MB in the beginning and 14.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,077 INFO L168 Benchmark]: Boogie Preprocessor took 42.01 ms. Allocated memory is still 42.5 MB. Free memory was 14.0 MB in the beginning and 12.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,078 INFO L168 Benchmark]: RCFGBuilder took 592.62 ms. Allocated memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: 1.6 MB). Free memory was 12.0 MB in the beginning and 17.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,080 INFO L168 Benchmark]: TraceAbstraction took 747.81 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 17.3 MB in the beginning and 20.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,081 INFO L168 Benchmark]: Witness Printer took 6.04 ms. Allocated memory is still 46.1 MB. Free memory was 20.4 MB in the beginning and 19.8 MB in the end (delta: 636.5 kB). Peak memory consumption was 636.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:40:02,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.8 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 424.78 ms. Allocated memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: 1.0 MB). Free memory was 18.9 MB in the beginning and 16.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 56.58 ms. Allocated memory is still 42.5 MB. Free memory was 16.4 MB in the beginning and 14.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 42.01 ms. Allocated memory is still 42.5 MB. Free memory was 14.0 MB in the beginning and 12.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 592.62 ms. Allocated memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: 1.6 MB). Free memory was 12.0 MB in the beginning and 17.5 MB in the end (delta: -5.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 747.81 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 17.3 MB in the beginning and 20.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. * Witness Printer took 6.04 ms. Allocated memory is still 46.1 MB. Free memory was 20.4 MB in the beginning and 19.8 MB in the end (delta: 636.5 kB). Peak memory consumption was 636.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXor at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L119] float x = -1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={9:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L121] float res = fmod_float(x, y); [L110] return x != x; VAL [one_fmod=1, Zero_fmod={9:0}] [L124] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_1122b.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 0.1.25-9a8b2e8 [2020-10-20 00:40:04,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:40:04,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:40:04,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:40:04,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:40:04,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:40:04,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:40:04,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:40:04,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:40:04,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:40:04,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:40:04,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:40:04,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:40:04,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:40:04,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:40:04,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:40:04,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:40:04,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:40:04,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:40:04,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:40:04,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:40:04,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:40:04,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:40:04,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:40:04,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:40:04,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:40:04,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:40:04,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:40:04,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:40:04,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:40:04,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:40:04,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:40:04,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:40:04,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:40:04,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:40:04,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:40:04,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:40:04,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:40:04,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:40:04,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:40:04,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:40:04,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:40:04,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:40:04,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:40:04,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:40:04,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:40:04,384 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:40:04,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:40:04,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:40:04,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:40:04,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:40:04,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:40:04,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:40:04,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:40:04,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:40:04,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:40:04,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:40:04,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:40:04,388 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:40:04,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:40:04,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:40:04,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:40:04,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:40:04,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:40:04,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:40:04,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:40:04,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:40:04,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:40:04,389 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:40:04,389 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:40:04,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:40:04,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:40:04,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:40:04,390 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> d8b47ecdb704e16d352286b75129bb9ac82f6df5 [2020-10-20 00:40:04,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:40:04,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:40:04,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:40:04,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:40:04,646 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:40:04,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2020-10-20 00:40:04,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60ce1f1ce/b74a429583564e6883a0b68c9d5a2a55/FLAGe02b6376c [2020-10-20 00:40:05,236 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:40:05,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2020-10-20 00:40:05,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60ce1f1ce/b74a429583564e6883a0b68c9d5a2a55/FLAGe02b6376c [2020-10-20 00:40:05,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60ce1f1ce/b74a429583564e6883a0b68c9d5a2a55 [2020-10-20 00:40:05,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:40:05,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:40:05,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:40:05,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:40:05,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:40:05,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:05,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23de6775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05, skipping insertion in model container [2020-10-20 00:40:05,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:05,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:40:05,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:40:05,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:40:05,903 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:40:05,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:40:05,968 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:40:05,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05 WrapperNode [2020-10-20 00:40:05,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:40:05,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:40:05,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:40:05,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:40:05,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:05,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:06,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:40:06,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:40:06,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:40:06,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:40:06,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:06,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:06,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:06,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:06,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:06,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:06,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... [2020-10-20 00:40:06,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:40:06,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:40:06,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:40:06,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:40:06,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:40:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-10-20 00:40:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:40:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:40:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-20 00:40:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:40:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:40:06,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:40:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-20 00:40:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:40:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:40:07,974 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:40:07,975 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-20 00:40:07,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:40:07 BoogieIcfgContainer [2020-10-20 00:40:07,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:40:07,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:40:07,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:40:07,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:40:07,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:40:05" (1/3) ... [2020-10-20 00:40:07,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1714ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:40:07, skipping insertion in model container [2020-10-20 00:40:07,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:40:05" (2/3) ... [2020-10-20 00:40:07,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1714ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:40:07, skipping insertion in model container [2020-10-20 00:40:07,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:40:07" (3/3) ... [2020-10-20 00:40:07,985 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2020-10-20 00:40:07,997 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:40:08,005 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:40:08,019 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:40:08,042 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:40:08,042 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:40:08,042 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:40:08,042 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:40:08,044 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:40:08,044 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:40:08,044 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:40:08,044 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:40:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-10-20 00:40:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:40:08,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:40:08,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:40:08,075 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:40:08,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:40:08,080 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2020-10-20 00:40:08,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:40:08,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079181800] [2020-10-20 00:40:08,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:40:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:40:08,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:40:08,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:40:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:08,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:40:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:08,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079181800] [2020-10-20 00:40:08,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:40:08,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:40:08,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443218623] [2020-10-20 00:40:08,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:40:08,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:40:08,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:40:08,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:40:08,472 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2020-10-20 00:40:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:40:08,497 INFO L93 Difference]: Finished difference Result 83 states and 139 transitions. [2020-10-20 00:40:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:40:08,498 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:40:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:40:08,510 INFO L225 Difference]: With dead ends: 83 [2020-10-20 00:40:08,511 INFO L226 Difference]: Without dead ends: 39 [2020-10-20 00:40:08,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:40:08,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-20 00:40:08,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-20 00:40:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 00:40:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-10-20 00:40:08,568 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2020-10-20 00:40:08,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:40:08,569 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-10-20 00:40:08,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:40:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-10-20 00:40:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:40:08,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:40:08,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:40:08,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:40:08,785 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:40:08,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:40:08,786 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2020-10-20 00:40:08,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:40:08,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231187114] [2020-10-20 00:40:08,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:40:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:40:09,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 00:40:09,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:40:10,469 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-10-20 00:40:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:12,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:40:15,873 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_float_~x ULTIMATE.start_fmod_float_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2020-10-20 00:40:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:16,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231187114] [2020-10-20 00:40:16,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:40:16,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-10-20 00:40:16,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007652434] [2020-10-20 00:40:16,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-20 00:40:16,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:40:16,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-20 00:40:16,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=69, Unknown=1, NotChecked=16, Total=110 [2020-10-20 00:40:16,171 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 11 states. [2020-10-20 00:40:22,892 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-10-20 00:40:26,552 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2020-10-20 00:40:30,990 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-10-20 00:40:31,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:40:31,224 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2020-10-20 00:40:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 00:40:31,226 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2020-10-20 00:40:31,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:40:31,228 INFO L225 Difference]: With dead ends: 49 [2020-10-20 00:40:31,228 INFO L226 Difference]: Without dead ends: 44 [2020-10-20 00:40:31,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 20.1s TimeCoverageRelationStatistics Valid=51, Invalid=108, Unknown=1, NotChecked=22, Total=182 [2020-10-20 00:40:31,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-20 00:40:31,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2020-10-20 00:40:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 00:40:31,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2020-10-20 00:40:31,237 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2020-10-20 00:40:31,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:40:31,237 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2020-10-20 00:40:31,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-20 00:40:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2020-10-20 00:40:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:40:31,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:40:31,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:40:31,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:40:31,440 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:40:31,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:40:31,441 INFO L82 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2020-10-20 00:40:31,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:40:31,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049514972] [2020-10-20 00:40:31,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:40:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:40:31,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 00:40:31,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:40:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:31,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:40:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:40:31,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049514972] [2020-10-20 00:40:31,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:40:31,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:40:31,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074342607] [2020-10-20 00:40:31,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:40:31,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:40:31,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:40:31,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:40:31,743 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 8 states. [2020-10-20 00:40:31,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:40:31,879 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2020-10-20 00:40:31,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:40:31,879 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-10-20 00:40:31,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:40:31,880 INFO L225 Difference]: With dead ends: 39 [2020-10-20 00:40:31,880 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:40:31,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:40:31,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:40:31,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:40:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:40:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:40:31,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-20 00:40:31,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:40:31,881 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:40:31,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:40:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:40:31,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:40:32,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:40:32,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:40:33,530 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 20 [2020-10-20 00:40:34,903 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 23 [2020-10-20 00:40:34,930 INFO L274 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-10-20 00:40:34,930 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2020-10-20 00:40:34,930 INFO L274 CegarLoopResult]: For program point L27-1(lines 19 107) no Hoare annotation was computed. [2020-10-20 00:40:34,930 INFO L274 CegarLoopResult]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2020-10-20 00:40:34,931 INFO L270 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= |ULTIMATE.start_fmod_float_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) [2020-10-20 00:40:34,931 INFO L274 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-10-20 00:40:34,932 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-10-20 00:40:34,932 INFO L270 CegarLoopResult]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2020-10-20 00:40:34,932 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:40:34,932 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:40:34,932 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:40:34,932 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:40:34,932 INFO L274 CegarLoopResult]: For program point L78(lines 78 80) no Hoare annotation was computed. [2020-10-20 00:40:34,932 INFO L274 CegarLoopResult]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2020-10-20 00:40:34,933 INFO L274 CegarLoopResult]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2020-10-20 00:40:34,933 INFO L274 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2020-10-20 00:40:34,933 INFO L277 CegarLoopResult]: At program point L129(lines 112 130) the Hoare annotation is: true [2020-10-20 00:40:34,933 INFO L274 CegarLoopResult]: For program point L88(lines 88 105) no Hoare annotation was computed. [2020-10-20 00:40:34,933 INFO L274 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2020-10-20 00:40:34,933 INFO L270 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_fmod_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-10-20 00:40:34,933 INFO L274 CegarLoopResult]: For program point L72(lines 72 73) no Hoare annotation was computed. [2020-10-20 00:40:34,933 INFO L274 CegarLoopResult]: For program point L48(lines 19 107) no Hoare annotation was computed. [2020-10-20 00:40:34,934 INFO L270 CegarLoopResult]: At program point L106(lines 19 107) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (exists ((ULTIMATE.start_fmod_float_~y (_ FloatingPoint 8 24))) (= |ULTIMATE.start_fmod_float_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start_fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-10-20 00:40:34,934 INFO L274 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-10-20 00:40:34,934 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:40:34,934 INFO L274 CegarLoopResult]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2020-10-20 00:40:34,934 INFO L270 CegarLoopResult]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2020-10-20 00:40:34,934 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:40:34,934 INFO L274 CegarLoopResult]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2020-10-20 00:40:34,934 INFO L270 CegarLoopResult]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2020-10-20 00:40:34,935 INFO L274 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-10-20 00:40:34,935 INFO L270 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-10-20 00:40:34,935 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:40:34,935 INFO L274 CegarLoopResult]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2020-10-20 00:40:34,935 INFO L274 CegarLoopResult]: For program point L124(lines 124 127) no Hoare annotation was computed. [2020-10-20 00:40:34,936 INFO L274 CegarLoopResult]: For program point L42(lines 42 46) no Hoare annotation was computed. [2020-10-20 00:40:34,936 INFO L274 CegarLoopResult]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2020-10-20 00:40:34,936 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2020-10-20 00:40:34,936 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2020-10-20 00:40:34,936 INFO L270 CegarLoopResult]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2020-10-20 00:40:34,936 INFO L274 CegarLoopResult]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2020-10-20 00:40:34,936 INFO L274 CegarLoopResult]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2020-10-20 00:40:34,937 INFO L270 CegarLoopResult]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2020-10-20 00:40:34,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:34,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:34,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:34,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:34,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:34,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,973 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:34,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:34,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:34,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:40:34,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:40:34,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:40:34,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:40:34,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:34,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:34,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:40:34 BoogieIcfgContainer [2020-10-20 00:40:34,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:40:34,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:40:34,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:40:34,985 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:40:34,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:40:07" (3/4) ... [2020-10-20 00:40:34,990 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:40:35,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 00:40:35,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-10-20 00:40:35,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:40:35,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:40:35,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-10-20 00:40:35,049 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:40:35,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:40:35,051 INFO L168 Benchmark]: Toolchain (without parser) took 29475.59 ms. Allocated memory was 38.3 MB in the beginning and 48.2 MB in the end (delta: 10.0 MB). Free memory was 13.6 MB in the beginning and 22.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 777.0 kB. Max. memory is 14.3 GB. [2020-10-20 00:40:35,052 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 28.3 MB. Free memory was 11.1 MB in the beginning and 11.1 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-20 00:40:35,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.07 ms. Allocated memory was 38.3 MB in the beginning and 38.8 MB in the end (delta: 524.3 kB). Free memory was 12.7 MB in the beginning and 10.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:35,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.26 ms. Allocated memory is still 38.8 MB. Free memory was 10.2 MB in the beginning and 7.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:35,055 INFO L168 Benchmark]: Boogie Preprocessor took 57.96 ms. Allocated memory was 38.8 MB in the beginning and 40.9 MB in the end (delta: 2.1 MB). Free memory was 7.9 MB in the beginning and 23.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 685.1 kB. Max. memory is 14.3 GB. [2020-10-20 00:40:35,056 INFO L168 Benchmark]: RCFGBuilder took 1897.86 ms. Allocated memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: 524.3 kB). Free memory was 23.4 MB in the beginning and 12.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:35,057 INFO L168 Benchmark]: TraceAbstraction took 27006.40 ms. Allocated memory was 41.4 MB in the beginning and 48.2 MB in the end (delta: 6.8 MB). Free memory was 12.4 MB in the beginning and 25.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:35,058 INFO L168 Benchmark]: Witness Printer took 64.99 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 22.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:40:35,062 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 28.3 MB. Free memory was 11.1 MB in the beginning and 11.1 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 387.07 ms. Allocated memory was 38.3 MB in the beginning and 38.8 MB in the end (delta: 524.3 kB). Free memory was 12.7 MB in the beginning and 10.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 51.26 ms. Allocated memory is still 38.8 MB. Free memory was 10.2 MB in the beginning and 7.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 57.96 ms. Allocated memory was 38.8 MB in the beginning and 40.9 MB in the end (delta: 2.1 MB). Free memory was 7.9 MB in the beginning and 23.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 685.1 kB. Max. memory is 14.3 GB. * RCFGBuilder took 1897.86 ms. Allocated memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: 524.3 kB). Free memory was 23.4 MB in the beginning and 12.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 27006.40 ms. Allocated memory was 41.4 MB in the beginning and 48.2 MB in the end (delta: 6.8 MB). Free memory was 12.4 MB in the beginning and 25.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Witness Printer took 64.99 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 22.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2020-10-20 00:40:35,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:35,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:35,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:35,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:35,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2020-10-20 00:40:35,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,098 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:35,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,099 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:35,100 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:35,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y,QUANTIFIED] [2020-10-20 00:40:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_fmod_float_~y : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2020-10-20 00:40:35,105 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:40:35,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:40:35,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:40:35,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:40:35,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:40:35,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:40:35,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 109 SDtfs, 109 SDslu, 248 SDs, 0 SdLazy, 60 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 100 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 14 QuantifiedInterpolants, 5069 SizeOfPredicates, 19 NumberOfNonLiveVariables, 196 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...