./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 .................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:05:00,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:05:00,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:05:00,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:05:00,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:05:00,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:05:00,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:05:00,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:05:00,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:05:00,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:05:00,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:05:00,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:05:00,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:05:00,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:05:00,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:05:00,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:05:00,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:05:00,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:05:00,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:05:00,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:05:00,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:05:00,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:05:00,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:05:00,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:05:00,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:05:00,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:05:00,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:05:00,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:05:00,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:05:00,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:05:00,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:05:00,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:05:00,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:05:00,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:05:00,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:05:00,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:05:00,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:05:00,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:05:00,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:05:00,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:05:00,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:05:00,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 00:05:00,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:05:00,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:05:00,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:05:00,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:05:00,696 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:05:00,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:05:00,697 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:05:00,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:05:00,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:05:00,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:05:00,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:05:00,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:05:00,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:05:00,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:05:00,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:05:00,699 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:05:00,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:05:00,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:05:00,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:05:00,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:05:00,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:05:00,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:05:00,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:05:00,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:05:00,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:05:00,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:05:00,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:05:00,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:05:00,703 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer 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(__VERIFIER_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 -> fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 [2019-11-20 00:05:00,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:05:00,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:05:00,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:05:00,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:05:00,910 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:05:00,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2019-11-20 00:05:00,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data/932d4c995/ad78c1fb9958408ebf2e6551f32548b5/FLAGc8e442037 [2019-11-20 00:05:01,385 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:05:01,385 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2019-11-20 00:05:01,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data/932d4c995/ad78c1fb9958408ebf2e6551f32548b5/FLAGc8e442037 [2019-11-20 00:05:01,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data/932d4c995/ad78c1fb9958408ebf2e6551f32548b5 [2019-11-20 00:05:01,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:05:01,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:05:01,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:05:01,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:05:01,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:05:01,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:05:01" (1/1) ... [2019-11-20 00:05:01,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5583bf7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:01, skipping insertion in model container [2019-11-20 00:05:01,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:05:01" (1/1) ... [2019-11-20 00:05:01,764 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:05:01,785 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:05:01,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:05:01,990 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:05:02,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:05:02,142 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:05:02,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02 WrapperNode [2019-11-20 00:05:02,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:05:02,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:05:02,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:05:02,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:05:02,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:05:02,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:05:02,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:05:02,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:05:02,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... [2019-11-20 00:05:02,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:05:02,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:05:02,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:05:02,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:05:02,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/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 [2019-11-20 00:05:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 00:05:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 00:05:02,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 00:05:02,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:05:02,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:05:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 00:05:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:05:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:05:02,772 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:05:02,773 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 00:05:02,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:02 BoogieIcfgContainer [2019-11-20 00:05:02,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:05:02,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:05:02,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:05:02,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:05:02,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:05:01" (1/3) ... [2019-11-20 00:05:02,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad3b1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:05:02, skipping insertion in model container [2019-11-20 00:05:02,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:02" (2/3) ... [2019-11-20 00:05:02,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad3b1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:05:02, skipping insertion in model container [2019-11-20 00:05:02,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:02" (3/3) ... [2019-11-20 00:05:02,783 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b.c [2019-11-20 00:05:02,797 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:05:02,805 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 00:05:02,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 00:05:02,848 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:05:02,849 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:05:02,849 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:05:02,849 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:05:02,849 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:05:02,849 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:05:02,850 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:05:02,850 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:05:02,870 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-20 00:05:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 00:05:02,880 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:05:02,882 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:05:02,882 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:05:02,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:05:02,890 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2019-11-20 00:05:02,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:05:02,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021454785] [2019-11-20 00:05:02,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:05:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:05:03,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021454785] [2019-11-20 00:05:03,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:05:03,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 00:05:03,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114034906] [2019-11-20 00:05:03,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 00:05:03,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:05:03,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 00:05:03,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:05:03,063 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-11-20 00:05:03,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:05:03,081 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-20 00:05:03,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:05:03,083 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 00:05:03,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:05:03,093 INFO L225 Difference]: With dead ends: 46 [2019-11-20 00:05:03,094 INFO L226 Difference]: Without dead ends: 21 [2019-11-20 00:05:03,097 INFO L630 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 [2019-11-20 00:05:03,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-20 00:05:03,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-20 00:05:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 00:05:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-11-20 00:05:03,136 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-11-20 00:05:03,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:05:03,136 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-20 00:05:03,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 00:05:03,137 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-11-20 00:05:03,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 00:05:03,138 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:05:03,138 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:05:03,138 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:05:03,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:05:03,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2019-11-20 00:05:03,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:05:03,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411483849] [2019-11-20 00:05:03,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:05:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:05:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:05:03,315 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:05:03,315 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 00:05:03,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:05:03 BoogieIcfgContainer [2019-11-20 00:05:03,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:05:03,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:05:03,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:05:03,359 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:05:03,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:02" (3/4) ... [2019-11-20 00:05:03,365 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 00:05:03,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:05:03,369 INFO L168 Benchmark]: Toolchain (without parser) took 1621.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:03,370 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:05:03,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -215.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:03,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:05:03,373 INFO L168 Benchmark]: Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:05:03,374 INFO L168 Benchmark]: RCFGBuilder took 553.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:03,375 INFO L168 Benchmark]: TraceAbstraction took 582.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:03,376 INFO L168 Benchmark]: Witness Printer took 7.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:05:03,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -215.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 553.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 582.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 7.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 66]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseAnd at line 50. Possible FailurePath: [L61] float x = -1.0f / 0.0f; [L12] __int32_t signbit, w, exponent_less_127; [L14] ieee_float_shape_type gf_u; [L15] gf_u.value = (x) [L16] EXPR gf_u.word [L16] (w) = gf_u.word [L18] signbit = w & 0x80000000 [L19] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L20] COND FALSE !(exponent_less_127 < 23) [L36] COND TRUE exponent_less_127 == 255 [L37] return x + x; [L62] float res = trunc_float(x); [L44] __int32_t ix; [L46] ieee_float_shape_type gf_u; [L47] gf_u.value = (x) [L48] EXPR gf_u.word [L48] (ix) = gf_u.word [L50] ix &= 0x7fffffff [L51] return ((ix) == 0x7f800000L); [L65] COND TRUE !isinf_float(res) [L66] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 26 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=24occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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, 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 0.1.24-678e011 [2019-11-20 00:05:05,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:05:05,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:05:05,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:05:05,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:05:05,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:05:05,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:05:05,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:05:05,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:05:05,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:05:05,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:05:05,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:05:05,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:05:05,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:05:05,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:05:05,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:05:05,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:05:05,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:05:05,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:05:05,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:05:05,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:05:05,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:05:05,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:05:05,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:05:05,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:05:05,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:05:05,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:05:05,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:05:05,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:05:05,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:05:05,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:05:05,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:05:05,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:05:05,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:05:05,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:05:05,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:05:05,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:05:05,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:05:05,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:05:05,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:05:05,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:05:05,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 00:05:05,637 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:05:05,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:05:05,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:05:05,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:05:05,639 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:05:05,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:05:05,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:05:05,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:05:05,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:05:05,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:05:05,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:05:05,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:05:05,641 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 00:05:05,642 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 00:05:05,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:05:05,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:05:05,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:05:05,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:05:05,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:05:05,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:05:05,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:05:05,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:05:05,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:05:05,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:05:05,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:05:05,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:05:05,645 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 00:05:05,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 00:05:05,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:05:05,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 00:05:05,646 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer 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(__VERIFIER_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 -> fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 [2019-11-20 00:05:05,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:05:05,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:05:05,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:05:05,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:05:05,985 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:05:05,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2019-11-20 00:05:06,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data/27d727a78/504b69ced78b4ad5ae5392f04aa6ee02/FLAGab49535d6 [2019-11-20 00:05:06,517 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:05:06,518 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/sv-benchmarks/c/float-newlib/float_req_bl_1072b.c [2019-11-20 00:05:06,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data/27d727a78/504b69ced78b4ad5ae5392f04aa6ee02/FLAGab49535d6 [2019-11-20 00:05:06,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/data/27d727a78/504b69ced78b4ad5ae5392f04aa6ee02 [2019-11-20 00:05:06,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:05:06,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:05:06,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:05:06,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:05:06,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:05:06,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:05:06" (1/1) ... [2019-11-20 00:05:06,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693b447f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:06, skipping insertion in model container [2019-11-20 00:05:06,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:05:06" (1/1) ... [2019-11-20 00:05:06,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:05:06,915 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:05:07,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:05:07,150 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:05:07,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:05:07,210 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:05:07,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07 WrapperNode [2019-11-20 00:05:07,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:05:07,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:05:07,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:05:07,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:05:07,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:05:07,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:05:07,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:05:07,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:05:07,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... [2019-11-20 00:05:07,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:05:07,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:05:07,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:05:07,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:05:07,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/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 [2019-11-20 00:05:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 00:05:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:05:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:05:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 00:05:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:05:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 00:05:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 00:05:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:05:07,832 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:05:07,833 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 00:05:07,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:07 BoogieIcfgContainer [2019-11-20 00:05:07,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:05:07,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:05:07,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:05:07,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:05:07,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:05:06" (1/3) ... [2019-11-20 00:05:07,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3f66a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:05:07, skipping insertion in model container [2019-11-20 00:05:07,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:07" (2/3) ... [2019-11-20 00:05:07,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3f66a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:05:07, skipping insertion in model container [2019-11-20 00:05:07,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:07" (3/3) ... [2019-11-20 00:05:07,845 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b.c [2019-11-20 00:05:07,859 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:05:07,866 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 00:05:07,883 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 00:05:07,919 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:05:07,920 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:05:07,920 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:05:07,920 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:05:07,925 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:05:07,925 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:05:07,925 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:05:07,926 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:05:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-20 00:05:07,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 00:05:07,948 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:05:07,949 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:05:07,950 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:05:07,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:05:07,954 INFO L82 PathProgramCache]: Analyzing trace with hash 936253238, now seen corresponding path program 1 times [2019-11-20 00:05:07,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:05:07,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679395152] [2019-11-20 00:05:07,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/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 [2019-11-20 00:05:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:08,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 00:05:08,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:05:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:05:08,103 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:05:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:05:08,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [679395152] [2019-11-20 00:05:08,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:05:08,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 00:05:08,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580319934] [2019-11-20 00:05:08,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 00:05:08,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:05:08,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 00:05:08,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:05:08,136 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-11-20 00:05:08,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:05:08,153 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-20 00:05:08,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 00:05:08,154 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 00:05:08,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:05:08,163 INFO L225 Difference]: With dead ends: 46 [2019-11-20 00:05:08,163 INFO L226 Difference]: Without dead ends: 21 [2019-11-20 00:05:08,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 00:05:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-20 00:05:08,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-20 00:05:08,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 00:05:08,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-11-20 00:05:08,207 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-11-20 00:05:08,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:05:08,207 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-11-20 00:05:08,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 00:05:08,208 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-11-20 00:05:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 00:05:08,209 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:05:08,209 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:05:08,410 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 00:05:08,410 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:05:08,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:05:08,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1792517302, now seen corresponding path program 1 times [2019-11-20 00:05:08,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:05:08,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045932624] [2019-11-20 00:05:08,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/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 [2019-11-20 00:05:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:08,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 00:05:08,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:05:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:05:08,606 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:05:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:05:08,625 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045932624] [2019-11-20 00:05:08,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:05:08,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [] total 6 [2019-11-20 00:05:08,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547029224] [2019-11-20 00:05:08,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 00:05:08,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:05:08,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 00:05:08,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 00:05:08,628 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 6 states. [2019-11-20 00:05:08,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:05:08,735 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-11-20 00:05:08,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 00:05:08,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-20 00:05:08,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:05:08,738 INFO L225 Difference]: With dead ends: 30 [2019-11-20 00:05:08,738 INFO L226 Difference]: Without dead ends: 16 [2019-11-20 00:05:08,739 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:05:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-20 00:05:08,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-20 00:05:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 00:05:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-20 00:05:08,744 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-11-20 00:05:08,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:05:08,744 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-20 00:05:08,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 00:05:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-20 00:05:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 00:05:08,749 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:05:08,752 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:05:08,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 00:05:08,974 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:05:08,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:05:08,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1848622454, now seen corresponding path program 1 times [2019-11-20 00:05:08,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:05:08,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319739476] [2019-11-20 00:05:08,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/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 [2019-11-20 00:05:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:09,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 00:05:09,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:05:09,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 00:05:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:05:09,187 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:05:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:05:09,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319739476] [2019-11-20 00:05:09,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:05:09,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-11-20 00:05:09,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12809751] [2019-11-20 00:05:09,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 00:05:09,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:05:09,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 00:05:09,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-20 00:05:09,451 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2019-11-20 00:05:09,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:05:09,716 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-20 00:05:09,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 00:05:09,716 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-11-20 00:05:09,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:05:09,717 INFO L225 Difference]: With dead ends: 16 [2019-11-20 00:05:09,717 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 00:05:09,718 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2019-11-20 00:05:09,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 00:05:09,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 00:05:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 00:05:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:05:09,719 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-20 00:05:09,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:05:09,719 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:05:09,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 00:05:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:05:09,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:05:09,920 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 00:05:09,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 00:05:10,130 INFO L444 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2019-11-20 00:05:10,131 INFO L440 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2019-11-20 00:05:10,131 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-11-20 00:05:10,131 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2019-11-20 00:05:10,131 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 00:05:10,131 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 00:05:10,131 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 00:05:10,132 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 66) no Hoare annotation was computed. [2019-11-20 00:05:10,132 INFO L444 ceAbstractionStarter]: For program point L20(lines 20 38) no Hoare annotation was computed. [2019-11-20 00:05:10,132 INFO L444 ceAbstractionStarter]: For program point L20-1(lines 20 38) no Hoare annotation was computed. [2019-11-20 00:05:10,132 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 45 49) no Hoare annotation was computed. [2019-11-20 00:05:10,132 INFO L440 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))))) (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 ULTIMATE.start_trunc_float_~x) (= .cse0 |ULTIMATE.start_trunc_float_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0))) [2019-11-20 00:05:10,132 INFO L444 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2019-11-20 00:05:10,133 INFO L447 ceAbstractionStarter]: At program point L70(lines 54 71) the Hoare annotation is: true [2019-11-20 00:05:10,133 INFO L444 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2019-11-20 00:05:10,133 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 00:05:10,133 INFO L444 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2019-11-20 00:05:10,133 INFO L440 ceAbstractionStarter]: At program point L29-2(lines 29 33) the Hoare annotation is: false [2019-11-20 00:05:10,133 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 34) no Hoare annotation was computed. [2019-11-20 00:05:10,133 INFO L444 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2019-11-20 00:05:10,134 INFO L440 ceAbstractionStarter]: At program point L13-2(lines 13 17) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) ULTIMATE.start_trunc_float_~x) [2019-11-20 00:05:10,134 INFO L444 ceAbstractionStarter]: For program point L13-3(lines 13 17) no Hoare annotation was computed. [2019-11-20 00:05:10,134 INFO L440 ceAbstractionStarter]: At program point L51(lines 43 52) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))))) (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~0) (_ bv2155872256 32)) (_ bv0 32)) (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 ULTIMATE.start_trunc_float_~x) (= .cse0 |ULTIMATE.start_trunc_float_#res|) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0))) [2019-11-20 00:05:10,134 INFO L440 ceAbstractionStarter]: At program point L39(lines 11 40) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (exists ((ULTIMATE.start_trunc_float_~w~0 (_ BitVec 32))) (and (= (bvadd (bvashr (bvand (_ bv2139095040 32) ULTIMATE.start_trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_trunc_float_~exponent_less_127~0) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))))) (= .cse0 ULTIMATE.start_trunc_float_~x) (= .cse0 |ULTIMATE.start_trunc_float_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start_trunc_float_~w~0) ((_ extract 30 23) ULTIMATE.start_trunc_float_~w~0) ((_ extract 22 0) ULTIMATE.start_trunc_float_~w~0)) .cse0))) [2019-11-20 00:05:10,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,155 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,156 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,177 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,177 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,177 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,178 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,178 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:05:10 BoogieIcfgContainer [2019-11-20 00:05:10,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:05:10,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:05:10,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:05:10,182 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:05:10,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:07" (3/4) ... [2019-11-20 00:05:10,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:05:10,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 00:05:10,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 00:05:10,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 00:05:10,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-11-20 00:05:10,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-11-20 00:05:10,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) [2019-11-20 00:05:10,256 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a68bdde7-47ef-428d-9699-cdfa2c6ec55c/bin/uautomizer/witness.graphml [2019-11-20 00:05:10,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:05:10,259 INFO L168 Benchmark]: Toolchain (without parser) took 3380.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 955.1 MB in the beginning and 988.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 118.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:10,259 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:05:10,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.04 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:10,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:10,261 INFO L168 Benchmark]: Boogie Preprocessor took 79.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:05:10,262 INFO L168 Benchmark]: RCFGBuilder took 414.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:10,263 INFO L168 Benchmark]: TraceAbstraction took 2345.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:10,263 INFO L168 Benchmark]: Witness Printer took 75.47 ms. Allocated memory is still 1.2 GB. Free memory was 995.3 MB in the beginning and 988.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:05:10,266 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.04 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 414.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2345.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * Witness Printer took 75.47 ms. Allocated memory is still 1.2 GB. Free memory was 995.3 MB in the beginning and 988.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 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_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,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 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_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,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 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_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,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 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_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,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 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_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,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 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_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 66]: 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: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 13]: Loop Invariant [2019-11-20 00:05:10,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2019-11-20 00:05:10,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,288 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2019-11-20 00:05:10,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 43]: Loop Invariant [2019-11-20 00:05:10,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,309 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,309 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_trunc_float_~w~0,QUANTIFIED] [2019-11-20 00:05:10,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 00:05:10,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((\exists ULTIMATE.start_trunc_float_~w~0 : bv32 :: ~bvadd64(~bvashr32(~bvand32(2139095040bv32, ULTIMATE.start_trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127 && ~fp~LONGDOUBLE(ULTIMATE.start_trunc_float_~w~0[31:31], ULTIMATE.start_trunc_float_~w~0[30:23], ULTIMATE.start_trunc_float_~w~0[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 43 SDtfs, 50 SDslu, 50 SDs, 0 SdLazy, 41 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 222 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 10 QuantifiedInterpolants, 5612 SizeOfPredicates, 15 NumberOfNonLiveVariables, 112 ConjunctsInSsa, 23 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...