./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb ............................................................................................................................................................................................................................................................................................. 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_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:37:35,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:37:35,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:37:35,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:37:35,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:37:35,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:37:35,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:37:35,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:37:35,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:37:35,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:37:35,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:37:35,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:37:35,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:37:35,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:37:35,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:37:35,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:37:35,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:37:35,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:37:35,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:37:35,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:37:35,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:37:35,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:37:35,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:37:35,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:37:35,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:37:35,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:37:35,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:37:35,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:37:35,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:37:35,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:37:35,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:37:35,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:37:35,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:37:35,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:37:35,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:37:35,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:37:35,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:37:35,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:37:35,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:37:35,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:37:35,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:37:35,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:37:35,632 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:37:35,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:37:35,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:37:35,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:37:35,634 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:37:35,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:37:35,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:37:35,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:37:35,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:37:35,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:37:35,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:37:35,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:37:35,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:37:35,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:37:35,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:37:35,636 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:37:35,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:37:35,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:37:35,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:37:35,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:37:35,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:37:35,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:37:35,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:37:35,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:37:35,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:37:35,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:37:35,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:37:35,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:37:35,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:37:35,638 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_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2019-12-07 12:37:35,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:37:35,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:37:35,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:37:35,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:37:35,762 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:37:35,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-12-07 12:37:35,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data/1f952e3b4/cf486a600cbf43e5a8158db50b6f5e7e/FLAG97a857553 [2019-12-07 12:37:36,152 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:37:36,152 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-12-07 12:37:36,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data/1f952e3b4/cf486a600cbf43e5a8158db50b6f5e7e/FLAG97a857553 [2019-12-07 12:37:36,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data/1f952e3b4/cf486a600cbf43e5a8158db50b6f5e7e [2019-12-07 12:37:36,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:37:36,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:37:36,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:37:36,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:37:36,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:37:36,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b2f2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36, skipping insertion in model container [2019-12-07 12:37:36,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:37:36,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:37:36,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:37:36,770 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:37:36,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:37:36,806 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:37:36,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36 WrapperNode [2019-12-07 12:37:36,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:37:36,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:37:36,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:37:36,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:37:36,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:37:36,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:37:36,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:37:36,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:37:36,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... [2019-12-07 12:37:36,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:37:36,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:37:36,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:37:36,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:37:36,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 [2019-12-07 12:37:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:37:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:37:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 12:37:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 12:37:36,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:37:36,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:37:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:37:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 12:37:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:37:37,121 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:37:37,121 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 12:37:37,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:37 BoogieIcfgContainer [2019-12-07 12:37:37,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:37:37,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:37:37,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:37:37,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:37:37,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:37:36" (1/3) ... [2019-12-07 12:37:37,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5114c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:37:37, skipping insertion in model container [2019-12-07 12:37:37,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:36" (2/3) ... [2019-12-07 12:37:37,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5114c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:37:37, skipping insertion in model container [2019-12-07 12:37:37,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:37" (3/3) ... [2019-12-07 12:37:37,126 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2019-12-07 12:37:37,133 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:37:37,137 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:37:37,144 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:37:37,158 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:37:37,158 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:37:37,158 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:37:37,159 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:37:37,159 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:37:37,159 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:37:37,159 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:37:37,159 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:37:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-12-07 12:37:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:37:37,172 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:37:37,173 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:37:37,173 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:37:37,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:37,177 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2019-12-07 12:37:37,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:37:37,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29840870] [2019-12-07 12:37:37,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:37:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:37:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:37:37,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29840870] [2019-12-07 12:37:37,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:37:37,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:37:37,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125722154] [2019-12-07 12:37:37,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:37:37,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:37:37,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:37:37,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:37:37,276 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-12-07 12:37:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:37:37,289 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2019-12-07 12:37:37,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:37:37,290 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 12:37:37,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:37:37,297 INFO L225 Difference]: With dead ends: 82 [2019-12-07 12:37:37,297 INFO L226 Difference]: Without dead ends: 39 [2019-12-07 12:37:37,299 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 [2019-12-07 12:37:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-12-07 12:37:37,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-12-07 12:37:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 12:37:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-12-07 12:37:37,322 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2019-12-07 12:37:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:37:37,323 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-12-07 12:37:37,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:37:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-12-07 12:37:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:37:37,323 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:37:37,323 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:37:37,323 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:37:37,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:37,324 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2019-12-07 12:37:37,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:37:37,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898345968] [2019-12-07 12:37:37,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:37:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:37:37,408 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:37:37,408 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:37:37,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:37:37 BoogieIcfgContainer [2019-12-07 12:37:37,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:37:37,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:37:37,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:37:37,429 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:37:37,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:37" (3/4) ... [2019-12-07 12:37:37,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:37:37,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:37:37,433 INFO L168 Benchmark]: Toolchain (without parser) took 846.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -82.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:37,433 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:37:37,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:37,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:37,435 INFO L168 Benchmark]: Boogie Preprocessor took 22.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:37:37,435 INFO L168 Benchmark]: RCFGBuilder took 263.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:37,435 INFO L168 Benchmark]: TraceAbstraction took 305.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:37:37,436 INFO L168 Benchmark]: Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:37:37,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 263.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 305.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 123]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L116] float x = __VERIFIER_nondet_float(); [L117] float y = 0.0f; [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={3:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L119] float res = fmod_float(x, y); [L108] return x != x; VAL [one_fmod=1, Zero_fmod={3:0}] [L122] COND TRUE !isnan_float(res) [L123] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 12:37:38,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:37:38,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:37:38,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:37:38,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:37:38,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:37:38,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:37:38,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:37:38,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:37:38,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:37:38,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:37:38,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:37:38,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:37:38,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:37:38,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:37:38,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:37:38,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:37:38,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:37:38,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:37:38,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:37:38,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:37:38,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:37:38,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:37:38,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:37:38,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:37:38,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:37:38,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:37:38,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:37:38,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:37:38,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:37:38,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:37:38,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:37:38,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:37:38,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:37:38,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:37:38,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:37:38,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:37:38,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:37:38,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:37:38,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:37:38,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:37:38,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 12:37:38,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:37:38,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:37:38,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:37:38,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:37:38,886 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:37:38,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:37:38,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:37:38,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:37:38,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:37:38,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:37:38,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:37:38,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:37:38,888 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:37:38,888 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:37:38,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:37:38,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:37:38,888 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:37:38,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:37:38,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:37:38,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:37:38,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:37:38,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:37:38,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:37:38,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:37:38,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:37:38,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:37:38,890 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 12:37:38,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:37:38,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:37:38,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:37:38,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:37:38,890 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_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2019-12-07 12:37:39,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:37:39,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:37:39,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:37:39,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:37:39,069 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:37:39,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-12-07 12:37:39,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data/5bc4c851c/458f83bb403943bc81ed28342707aea5/FLAG0f09459e4 [2019-12-07 12:37:39,560 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:37:39,560 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-12-07 12:37:39,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data/5bc4c851c/458f83bb403943bc81ed28342707aea5/FLAG0f09459e4 [2019-12-07 12:37:39,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/data/5bc4c851c/458f83bb403943bc81ed28342707aea5 [2019-12-07 12:37:39,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:37:39,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:37:39,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:37:39,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:37:39,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:37:39,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57205783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39, skipping insertion in model container [2019-12-07 12:37:39,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:37:39,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:37:39,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:37:39,734 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:37:39,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:37:39,805 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:37:39,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39 WrapperNode [2019-12-07 12:37:39,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:37:39,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:37:39,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:37:39,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:37:39,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:37:39,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:37:39,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:37:39,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:37:39,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... [2019-12-07 12:37:39,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:37:39,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:37:39,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:37:39,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:37:39,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 [2019-12-07 12:37:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 12:37:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:37:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 12:37:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:37:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:37:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:37:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 12:37:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:37:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:37:41,810 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:37:41,810 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 12:37:41,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:41 BoogieIcfgContainer [2019-12-07 12:37:41,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:37:41,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:37:41,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:37:41,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:37:41,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:37:39" (1/3) ... [2019-12-07 12:37:41,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8f6365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:37:41, skipping insertion in model container [2019-12-07 12:37:41,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:39" (2/3) ... [2019-12-07 12:37:41,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8f6365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:37:41, skipping insertion in model container [2019-12-07 12:37:41,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:41" (3/3) ... [2019-12-07 12:37:41,815 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2019-12-07 12:37:41,822 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:37:41,826 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:37:41,833 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:37:41,847 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:37:41,848 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:37:41,848 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:37:41,848 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:37:41,848 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:37:41,848 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:37:41,848 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:37:41,848 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:37:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-12-07 12:37:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:37:41,861 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:37:41,862 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:37:41,862 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:37:41,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:41,865 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2019-12-07 12:37:41,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:37:41,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253195185] [2019-12-07 12:37:41,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 [2019-12-07 12:37:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:37:42,103 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:37:42,106 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:37:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:37:42,116 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:37:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:37:42,119 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253195185] [2019-12-07 12:37:42,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:37:42,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:37:42,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568169209] [2019-12-07 12:37:42,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:37:42,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:37:42,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:37:42,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:37:42,133 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-12-07 12:37:42,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:37:42,147 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2019-12-07 12:37:42,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:37:42,148 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 12:37:42,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:37:42,155 INFO L225 Difference]: With dead ends: 82 [2019-12-07 12:37:42,156 INFO L226 Difference]: Without dead ends: 39 [2019-12-07 12:37:42,158 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:37:42,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-12-07 12:37:42,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-12-07 12:37:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 12:37:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-12-07 12:37:42,181 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2019-12-07 12:37:42,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:37:42,182 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-12-07 12:37:42,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:37:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-12-07 12:37:42,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:37:42,182 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:37:42,182 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:37:42,383 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:37:42,384 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:37:42,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:37:42,385 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2019-12-07 12:37:42,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:37:42,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758503580] [2019-12-07 12:37:42,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 [2019-12-07 12:37:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:37:42,679 INFO L264 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 12:37:42,680 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:37:43,847 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-12-07 12:37:43,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:37:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:37:45,000 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:37:48,316 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_float_~x (_ FloatingPoint 8 24))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode ULTIMATE.start_fmod_float_~x c_ULTIMATE.start_fmod_float_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-12-07 12:37:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:37:48,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758503580] [2019-12-07 12:37:48,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:37:48,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2019-12-07 12:37:48,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735446268] [2019-12-07 12:37:48,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 12:37:48,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:37:48,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 12:37:48,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=69, Unknown=1, NotChecked=16, Total=110 [2019-12-07 12:37:48,543 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 11 states. [2019-12-07 12:37:55,429 WARN L192 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-12-07 12:37:58,465 WARN L192 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2019-12-07 12:38:01,006 WARN L192 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2019-12-07 12:38:01,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:38:01,212 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2019-12-07 12:38:01,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 12:38:01,213 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2019-12-07 12:38:01,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:38:01,214 INFO L225 Difference]: With dead ends: 44 [2019-12-07 12:38:01,214 INFO L226 Difference]: Without dead ends: 39 [2019-12-07 12:38:01,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=51, Invalid=108, Unknown=1, NotChecked=22, Total=182 [2019-12-07 12:38:01,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-12-07 12:38:01,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-12-07 12:38:01,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 12:38:01,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2019-12-07 12:38:01,219 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2019-12-07 12:38:01,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:38:01,220 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-12-07 12:38:01,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 12:38:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2019-12-07 12:38:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:38:01,220 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:38:01,220 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:38:01,421 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:38:01,422 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:38:01,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:38:01,423 INFO L82 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2019-12-07 12:38:01,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:38:01,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662805311] [2019-12-07 12:38:01,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/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 [2019-12-07 12:38:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:38:01,500 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 12:38:01,502 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:38:01,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:38:01,524 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:38:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:38:01,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662805311] [2019-12-07 12:38:01,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:38:01,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 6 [2019-12-07 12:38:01,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894292098] [2019-12-07 12:38:01,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:38:01,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:38:01,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:38:01,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:38:01,565 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 6 states. [2019-12-07 12:38:01,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:38:01,593 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2019-12-07 12:38:01,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:38:01,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-12-07 12:38:01,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:38:01,594 INFO L225 Difference]: With dead ends: 39 [2019-12-07 12:38:01,594 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:38:01,595 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:38:01,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:38:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:38:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:38:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:38:01,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-12-07 12:38:01,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:38:01,596 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:38:01,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:38:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:38:01,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:38:01,797 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:38:01,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:38:03,214 WARN L192 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 16 [2019-12-07 12:38:04,400 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 13 [2019-12-07 12:38:04,402 INFO L246 CegarLoopResult]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:38:04,402 INFO L246 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2019-12-07 12:38:04,403 INFO L249 CegarLoopResult]: At program point L127(lines 110 128) the Hoare annotation is: true [2019-12-07 12:38:04,403 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:38:04,403 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:38:04,403 INFO L246 CegarLoopResult]: For program point L86(lines 86 103) no Hoare annotation was computed. [2019-12-07 12:38:04,403 INFO L246 CegarLoopResult]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2019-12-07 12:38:04,403 INFO L242 CegarLoopResult]: At program point L20-2(lines 20 24) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 12:38:04,403 INFO L246 CegarLoopResult]: For program point L70(lines 70 71) no Hoare annotation was computed. [2019-12-07 12:38:04,403 INFO L246 CegarLoopResult]: For program point L46(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:38:04,404 INFO L242 CegarLoopResult]: At program point L104(lines 17 105) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_fmod_float_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_float_~x (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res|))) [2019-12-07 12:38:04,404 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-12-07 12:38:04,404 INFO L246 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2019-12-07 12:38:04,404 INFO L242 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2019-12-07 12:38:04,404 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2019-12-07 12:38:04,404 INFO L242 CegarLoopResult]: At program point L47-3(lines 47 48) the Hoare annotation is: false [2019-12-07 12:38:04,404 INFO L246 CegarLoopResult]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-12-07 12:38:04,404 INFO L242 CegarLoopResult]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-12-07 12:38:04,404 INFO L246 CegarLoopResult]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2019-12-07 12:38:04,404 INFO L246 CegarLoopResult]: For program point L122(lines 122 125) no Hoare annotation was computed. [2019-12-07 12:38:04,405 INFO L246 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-12-07 12:38:04,405 INFO L246 CegarLoopResult]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:38:04,405 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2019-12-07 12:38:04,405 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:38:04,405 INFO L246 CegarLoopResult]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2019-12-07 12:38:04,405 INFO L246 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2019-12-07 12:38:04,405 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2019-12-07 12:38:04,405 INFO L242 CegarLoopResult]: At program point L82-2(lines 82 85) the Hoare annotation is: false [2019-12-07 12:38:04,405 INFO L246 CegarLoopResult]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:38:04,406 INFO L246 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-12-07 12:38:04,406 INFO L242 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2019-12-07 12:38:04,406 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:38:04,406 INFO L246 CegarLoopResult]: For program point L25(lines 25 29) no Hoare annotation was computed. [2019-12-07 12:38:04,406 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2019-12-07 12:38:04,406 INFO L246 CegarLoopResult]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:38:04,406 INFO L246 CegarLoopResult]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2019-12-07 12:38:04,406 INFO L242 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (and (= ULTIMATE.start_fmod_float_~y (_ +zero 8 24)) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_fmod_float_~x (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_fmod_float_~x (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res|))) [2019-12-07 12:38:04,406 INFO L246 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2019-12-07 12:38:04,406 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 12:38:04,407 INFO L242 CegarLoopResult]: At program point L67-2(lines 65 74) the Hoare annotation is: false [2019-12-07 12:38:04,407 INFO L246 CegarLoopResult]: For program point L76(lines 76 78) no Hoare annotation was computed. [2019-12-07 12:38:04,407 INFO L246 CegarLoopResult]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2019-12-07 12:38:04,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,419 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,420 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,421 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,424 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:38:04 BoogieIcfgContainer [2019-12-07 12:38:04,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:38:04,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:38:04,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:38:04,426 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:38:04,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:41" (3/4) ... [2019-12-07 12:38:04,429 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:38:04,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 12:38:04,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 12:38:04,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:38:04,465 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_25df6aa9-fa2f-4a5b-8728-c5d4b9d34b16/bin/uautomizer/witness.graphml [2019-12-07 12:38:04,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:38:04,467 INFO L168 Benchmark]: Toolchain (without parser) took 24889.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 953.7 MB in the beginning and 963.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 126.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:04,467 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-12-07 12:38:04,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:04,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.91 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. [2019-12-07 12:38:04,468 INFO L168 Benchmark]: Boogie Preprocessor took 26.84 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:04,468 INFO L168 Benchmark]: RCFGBuilder took 1947.21 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:04,468 INFO L168 Benchmark]: TraceAbstraction took 22613.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.3 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:38:04,468 INFO L168 Benchmark]: Witness Printer took 39.74 ms. Allocated memory is still 1.2 GB. Free memory is still 963.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:38:04,470 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 228.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.91 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. * Boogie Preprocessor took 26.84 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1947.21 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22613.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.3 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.74 ms. Allocated memory is still 1.2 GB. Free memory is still 963.3 MB. There was no memory consumed. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-12-07 12:38:04,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,475 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,476 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((y == ~Pluszero~LONGDOUBLE() && 1bv32 == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x, ~Pluszero~LONGDOUBLE()), ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x, ~Pluszero~LONGDOUBLE())) == \result) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2019-12-07 12:38:04,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 17]: Loop Invariant [2019-12-07 12:38:04,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:38:04,479 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,479 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,479 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,479 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,479 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 12:38:04,479 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x,QUANTIFIED] [2019-12-07 12:38:04,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~x : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x, ~Pluszero~LONGDOUBLE()), ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x, ~Pluszero~LONGDOUBLE())) == \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 19.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, HoareTripleCheckerStatistics: 111 SDtfs, 111 SDslu, 193 SDs, 0 SdLazy, 35 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 17.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 57 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 10 QuantifiedInterpolants, 4565 SizeOfPredicates, 16 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 20 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...