./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/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 6017db04fd0c3d76a17184976602c114f74dffa4 ................................................................................................................................................................................................................................................................................................ 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_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/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 6017db04fd0c3d76a17184976602c114f74dffa4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:03:00,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:03:00,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:03:00,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:03:00,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:03:00,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:03:00,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:03:00,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:03:00,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:03:00,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:03:00,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:03:00,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:03:00,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:03:00,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:03:00,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:03:00,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:03:00,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:03:00,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:03:00,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:03:00,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:03:00,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:03:00,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:03:00,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:03:00,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:03:00,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:03:00,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:03:00,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:03:00,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:03:00,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:03:00,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:03:00,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:03:00,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:03:00,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:03:00,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:03:00,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:03:00,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:03:00,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:03:00,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:03:00,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:03:00,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:03:00,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:03:00,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:03:00,729 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:03:00,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:03:00,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:03:00,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:03:00,731 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:03:00,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:03:00,731 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:03:00,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:03:00,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:03:00,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:03:00,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:03:00,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:03:00,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:03:00,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:03:00,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:03:00,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:03:00,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:03:00,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:03:00,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:03:00,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:03:00,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:03:00,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:03:00,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:03:00,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:03:00,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:03:00,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:03:00,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:03:00,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:03:00,736 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_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-11-15 21:03:00,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:03:00,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:03:00,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:03:00,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:03:00,780 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:03:00,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-15 21:03:00,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data/86a883574/d78a16918f854bb3a402f317f0d2abe3/FLAGbea6443e9 [2019-11-15 21:03:01,238 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:03:01,240 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-15 21:03:01,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data/86a883574/d78a16918f854bb3a402f317f0d2abe3/FLAGbea6443e9 [2019-11-15 21:03:01,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data/86a883574/d78a16918f854bb3a402f317f0d2abe3 [2019-11-15 21:03:01,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:03:01,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:03:01,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:03:01,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:03:01,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:03:01,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:03:01" (1/1) ... [2019-11-15 21:03:01,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a1c7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:01, skipping insertion in model container [2019-11-15 21:03:01,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:03:01" (1/1) ... [2019-11-15 21:03:01,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:03:01,634 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:03:01,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:03:01,955 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:03:01,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:03:02,021 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:03:02,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02 WrapperNode [2019-11-15 21:03:02,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:03:02,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:03:02,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:03:02,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:03:02,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:03:02,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:03:02,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:03:02,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:03:02,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... [2019-11-15 21:03:02,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:03:02,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:03:02,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:03:02,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:03:02,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:03:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:03:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 21:03:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:03:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 21:03:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:03:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:03:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 21:03:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:03:02,651 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:03:02,651 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-15 21:03:02,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:03:02 BoogieIcfgContainer [2019-11-15 21:03:02,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:03:02,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:03:02,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:03:02,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:03:02,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:03:01" (1/3) ... [2019-11-15 21:03:02,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbe866c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:03:02, skipping insertion in model container [2019-11-15 21:03:02,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:02" (2/3) ... [2019-11-15 21:03:02,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbe866c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:03:02, skipping insertion in model container [2019-11-15 21:03:02,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:03:02" (3/3) ... [2019-11-15 21:03:02,659 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2019-11-15 21:03:02,668 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:03:02,674 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:03:02,684 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:03:02,706 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:03:02,706 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:03:02,707 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:03:02,707 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:03:02,707 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:03:02,707 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:03:02,707 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:03:02,707 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:03:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-15 21:03:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 21:03:02,726 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:03:02,726 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:03:02,728 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:03:02,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:03:02,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-11-15 21:03:02,738 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:03:02,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336497153] [2019-11-15 21:03:02,739 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:03:02,739 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:03:02,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:03:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:03:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:02,858 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336497153] [2019-11-15 21:03:02,859 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:03:02,859 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:03:02,859 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628667044] [2019-11-15 21:03:02,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 21:03:02,864 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:03:02,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 21:03:02,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:03:02,876 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-15 21:03:02,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:03:02,896 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-11-15 21:03:02,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 21:03:02,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 21:03:02,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:03:02,908 INFO L225 Difference]: With dead ends: 86 [2019-11-15 21:03:02,908 INFO L226 Difference]: Without dead ends: 41 [2019-11-15 21:03:02,911 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:03:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-15 21:03:02,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-15 21:03:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-15 21:03:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-11-15 21:03:02,947 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-11-15 21:03:02,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:03:02,948 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-11-15 21:03:02,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 21:03:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-11-15 21:03:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 21:03:02,949 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:03:02,949 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:03:02,950 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:03:02,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:03:02,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-11-15 21:03:02,950 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:03:02,950 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215729561] [2019-11-15 21:03:02,951 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:03:02,951 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:03:02,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:03:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:03:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:03:03,048 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:03:03,049 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 21:03:03,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:03:03 BoogieIcfgContainer [2019-11-15 21:03:03,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:03:03,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:03:03,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:03:03,086 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:03:03,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:03:02" (3/4) ... [2019-11-15 21:03:03,090 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:03:03,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:03:03,096 INFO L168 Benchmark]: Toolchain (without parser) took 1505.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -117.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:03,096 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:03:03,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:03,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.55 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:03,099 INFO L168 Benchmark]: Boogie Preprocessor took 35.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:03:03,100 INFO L168 Benchmark]: RCFGBuilder took 541.19 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: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:03,100 INFO L168 Benchmark]: TraceAbstraction took 431.92 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:03,100 INFO L168 Benchmark]: Witness Printer took 4.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:03:03,103 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 432.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.55 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 541.19 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: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 431.92 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 115. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L153] float x = 0.0f / 0.0f; [L105] float y, z; [L106] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L109] ieee_float_shape_type gf_u; [L110] gf_u.value = (x) [L111] EXPR gf_u.word [L111] (hx) = gf_u.word [L114] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] float res = __ieee754_log10f(x); [L144] return x != x; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L157] COND TRUE !isnan_float(res) [L158] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 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=44occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 21:03:05,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:03:05,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:03:05,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:03:05,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:03:05,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:03:05,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:03:05,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:03:05,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:03:05,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:03:05,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:03:05,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:03:05,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:03:05,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:03:05,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:03:05,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:03:05,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:03:05,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:03:05,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:03:05,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:03:05,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:03:05,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:03:05,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:03:05,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:03:05,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:03:05,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:03:05,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:03:05,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:03:05,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:03:05,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:03:05,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:03:05,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:03:05,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:03:05,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:03:05,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:03:05,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:03:05,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:03:05,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:03:05,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:03:05,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:03:05,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:03:05,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 21:03:05,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:03:05,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:03:05,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:03:05,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:03:05,600 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:03:05,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:03:05,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:03:05,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:03:05,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:03:05,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:03:05,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:03:05,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:03:05,603 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:03:05,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:03:05,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:03:05,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:03:05,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:03:05,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:03:05,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:03:05,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:03:05,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:03:05,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:03:05,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:03:05,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:03:05,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:03:05,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:03:05,607 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:03:05,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:03:05,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:03:05,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:03:05,607 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_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/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 -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2019-11-15 21:03:05,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:03:05,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:03:05,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:03:05,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:03:05,660 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:03:05,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-15 21:03:05,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data/62c38dd09/448effac12fd427091e949460d59dd00/FLAGc629f69c6 [2019-11-15 21:03:06,109 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:03:06,110 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/sv-benchmarks/c/float-newlib/float_req_bl_0971.c [2019-11-15 21:03:06,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data/62c38dd09/448effac12fd427091e949460d59dd00/FLAGc629f69c6 [2019-11-15 21:03:06,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/data/62c38dd09/448effac12fd427091e949460d59dd00 [2019-11-15 21:03:06,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:03:06,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:03:06,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:03:06,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:03:06,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:03:06,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:03:06" (1/1) ... [2019-11-15 21:03:06,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555e3547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:06, skipping insertion in model container [2019-11-15 21:03:06,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:03:06" (1/1) ... [2019-11-15 21:03:06,495 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:03:06,521 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:03:06,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:03:06,847 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:03:06,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:03:07,009 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:03:07,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07 WrapperNode [2019-11-15 21:03:07,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:03:07,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:03:07,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:03:07,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:03:07,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:03:07,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:03:07,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:03:07,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:03:07,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... [2019-11-15 21:03:07,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:03:07,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:03:07,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:03:07,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:03:07,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:03:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:03:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 21:03:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 21:03:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:03:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:03:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 21:03:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 21:03:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:03:24,068 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:03:24,068 INFO L284 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-15 21:03:24,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:03:24 BoogieIcfgContainer [2019-11-15 21:03:24,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:03:24,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:03:24,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:03:24,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:03:24,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:03:06" (1/3) ... [2019-11-15 21:03:24,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4dfe69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:03:24, skipping insertion in model container [2019-11-15 21:03:24,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:03:07" (2/3) ... [2019-11-15 21:03:24,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4dfe69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:03:24, skipping insertion in model container [2019-11-15 21:03:24,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:03:24" (3/3) ... [2019-11-15 21:03:24,080 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c [2019-11-15 21:03:24,089 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:03:24,096 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:03:24,106 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:03:24,134 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:03:24,134 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:03:24,134 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:03:24,134 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:03:24,134 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:03:24,135 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:03:24,135 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:03:24,135 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:03:24,146 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-15 21:03:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 21:03:24,151 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:03:24,152 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:03:24,153 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:03:24,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:03:24,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1902195216, now seen corresponding path program 1 times [2019-11-15 21:03:24,167 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:03:24,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758009016] [2019-11-15 21:03:24,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-15 21:03:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:03:24,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 21:03:24,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:03:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:24,474 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:03:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:24,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1758009016] [2019-11-15 21:03:24,479 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:03:24,479 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 21:03:24,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005692714] [2019-11-15 21:03:24,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 21:03:24,484 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:03:24,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 21:03:24,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:03:24,497 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-11-15 21:03:24,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:03:24,521 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions. [2019-11-15 21:03:24,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 21:03:24,523 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 21:03:24,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:03:24,535 INFO L225 Difference]: With dead ends: 86 [2019-11-15 21:03:24,535 INFO L226 Difference]: Without dead ends: 41 [2019-11-15 21:03:24,538 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:03:24,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-15 21:03:24,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-15 21:03:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-15 21:03:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2019-11-15 21:03:24,575 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9 [2019-11-15 21:03:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:03:24,576 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2019-11-15 21:03:24,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 21:03:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2019-11-15 21:03:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 21:03:24,577 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:03:24,577 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:03:24,790 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 21:03:24,790 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:03:24,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:03:24,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1486155597, now seen corresponding path program 1 times [2019-11-15 21:03:24,791 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:03:24,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531241194] [2019-11-15 21:03:24,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-15 21:03:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:03:25,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 21:03:25,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:03:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:25,102 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:03:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:25,169 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531241194] [2019-11-15 21:03:25,169 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:03:25,169 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-15 21:03:25,170 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619068625] [2019-11-15 21:03:25,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:03:25,172 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:03:25,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:03:25,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:03:25,173 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 6 states. [2019-11-15 21:03:25,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:03:25,850 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-11-15 21:03:25,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:03:25,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-15 21:03:25,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:03:25,852 INFO L225 Difference]: With dead ends: 51 [2019-11-15 21:03:25,852 INFO L226 Difference]: Without dead ends: 46 [2019-11-15 21:03:25,853 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:03:25,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-15 21:03:25,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2019-11-15 21:03:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-15 21:03:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2019-11-15 21:03:25,863 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 10 [2019-11-15 21:03:25,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:03:25,863 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions. [2019-11-15 21:03:25,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:03:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2019-11-15 21:03:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 21:03:25,864 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:03:25,864 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:03:26,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 21:03:26,066 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:03:26,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:03:26,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1244066674, now seen corresponding path program 1 times [2019-11-15 21:03:26,066 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:03:26,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537649451] [2019-11-15 21:03:26,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-15 21:03:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:03:26,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-15 21:03:26,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:03:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:26,479 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:03:31,816 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-11-15 21:03:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:31,835 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537649451] [2019-11-15 21:03:31,835 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:03:31,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-15 21:03:31,836 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861676870] [2019-11-15 21:03:31,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-15 21:03:31,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:03:31,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-15 21:03:31,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:03:31,837 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand 10 states. [2019-11-15 21:03:34,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:03:34,832 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2019-11-15 21:03:34,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:03:34,833 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-11-15 21:03:34,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:03:34,834 INFO L225 Difference]: With dead ends: 46 [2019-11-15 21:03:34,834 INFO L226 Difference]: Without dead ends: 41 [2019-11-15 21:03:34,835 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-11-15 21:03:34,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-15 21:03:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-15 21:03:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-15 21:03:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2019-11-15 21:03:34,843 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 11 [2019-11-15 21:03:34,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:03:34,844 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2019-11-15 21:03:34,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-15 21:03:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2019-11-15 21:03:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-15 21:03:34,846 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:03:34,846 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:03:35,050 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 21:03:35,054 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:03:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:03:35,054 INFO L82 PathProgramCache]: Analyzing trace with hash -256490092, now seen corresponding path program 1 times [2019-11-15 21:03:35,055 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:03:35,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135862224] [2019-11-15 21:03:35,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-15 21:03:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:03:35,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 21:03:35,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:03:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:35,658 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:03:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:03:35,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135862224] [2019-11-15 21:03:35,736 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:03:35,737 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 21:03:35,737 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975099983] [2019-11-15 21:03:35,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 21:03:35,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:03:35,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 21:03:35,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:03:35,738 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand 8 states. [2019-11-15 21:03:35,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:03:35,811 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-15 21:03:35,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:03:35,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2019-11-15 21:03:35,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:03:35,812 INFO L225 Difference]: With dead ends: 41 [2019-11-15 21:03:35,812 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:03:35,813 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:03:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:03:35,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:03:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:03:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:03:35,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-11-15 21:03:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:03:35,813 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:03:35,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 21:03:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:03:35,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:03:36,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 21:03:36,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 21:03:36,281 INFO L439 ceAbstractionStarter]: At program point L93(lines 19 95) the Hoare annotation is: false [2019-11-15 21:03:36,281 INFO L443 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2019-11-15 21:03:36,281 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2019-11-15 21:03:36,281 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 21:03:36,281 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 21:03:36,281 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2019-11-15 21:03:36,282 INFO L439 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= ~zero~0 .cse0) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0))) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)))) [2019-11-15 21:03:36,282 INFO L446 ceAbstractionStarter]: At program point L162(lines 146 163) the Hoare annotation is: true [2019-11-15 21:03:36,282 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-15 21:03:36,282 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-11-15 21:03:36,282 INFO L443 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2019-11-15 21:03:36,282 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2019-11-15 21:03:36,283 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2019-11-15 21:03:36,283 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2019-11-15 21:03:36,283 INFO L439 ceAbstractionStarter]: At program point L39-2(lines 39 43) the Hoare annotation is: false [2019-11-15 21:03:36,283 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2019-11-15 21:03:36,283 INFO L443 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2019-11-15 21:03:36,283 INFO L439 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2019-11-15 21:03:36,283 INFO L443 ceAbstractionStarter]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2019-11-15 21:03:36,284 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2019-11-15 21:03:36,284 INFO L439 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-11-15 21:03:36,284 INFO L443 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-11-15 21:03:36,284 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2019-11-15 21:03:36,284 INFO L443 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-15 21:03:36,284 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 21:03:36,284 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2019-11-15 21:03:36,285 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-11-15 21:03:36,285 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2019-11-15 21:03:36,285 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2019-11-15 21:03:36,285 INFO L439 ceAbstractionStarter]: At program point L140(lines 104 141) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) (and (= ~zero~0 .cse0) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_log10f_~hx~0))) (= ULTIMATE.start___ieee754_log10f_~x .cse1) (= |ULTIMATE.start___ieee754_log10f_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse1 .cse1) .cse0)))) [2019-11-15 21:03:36,285 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 21:03:36,285 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 160) no Hoare annotation was computed. [2019-11-15 21:03:36,285 INFO L443 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2019-11-15 21:03:36,289 INFO L439 ceAbstractionStarter]: At program point L124-2(lines 124 128) the Hoare annotation is: false [2019-11-15 21:03:36,289 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-11-15 21:03:36,289 INFO L439 ceAbstractionStarter]: At program point L108-2(lines 108 112) the Hoare annotation is: (and (= ~zero~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (= ULTIMATE.start___ieee754_log10f_~x (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2019-11-15 21:03:36,289 INFO L443 ceAbstractionStarter]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2019-11-15 21:03:36,290 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-15 21:03:36,290 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-11-15 21:03:36,290 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-11-15 21:03:36,290 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2019-11-15 21:03:36,290 INFO L443 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2019-11-15 21:03:36,290 INFO L439 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2019-11-15 21:03:36,290 INFO L443 ceAbstractionStarter]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2019-11-15 21:03:36,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:03:36 BoogieIcfgContainer [2019-11-15 21:03:36,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:03:36,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:03:36,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:03:36,317 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:03:36,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:03:24" (3/4) ... [2019-11-15 21:03:36,322 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:03:36,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-15 21:03:36,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-15 21:03:36,360 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2019-11-15 21:03:36,361 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2019-11-15 21:03:36,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3bbc9655-180a-4e4e-8ac3-6588b9cda1b9/bin/uautomizer/witness.graphml [2019-11-15 21:03:36,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:03:36,428 INFO L168 Benchmark]: Toolchain (without parser) took 29949.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 947.0 MB in the beginning and 943.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 165.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:36,429 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:03:36,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -204.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:36,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:03:36,430 INFO L168 Benchmark]: Boogie Preprocessor took 98.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:36,430 INFO L168 Benchmark]: RCFGBuilder took 16895.61 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:36,431 INFO L168 Benchmark]: TraceAbstraction took 12245.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.6 MB in the end (delta: 156.3 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:36,431 INFO L168 Benchmark]: Witness Printer took 110.51 ms. Allocated memory is still 1.2 GB. Free memory was 949.6 MB in the beginning and 943.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:03:36,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -204.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16895.61 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12245.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.6 MB in the end (delta: 156.3 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. * Witness Printer took 110.51 ms. Allocated memory is still 1.2 GB. Free memory was 949.6 MB in the beginning and 943.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 108]: Loop Invariant [2019-11-15 21:03:36,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2019-11-15 21:03:36,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,460 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,463 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,463 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,464 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 104]: Loop Invariant [2019-11-15 21:03:36,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,477 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 21:03:36,478 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((zero == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) && !(0bv32 == ~bvand32(2147483647bv32, hx))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Result: SAFE, OverallTime: 12.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 151 SDtfs, 175 SDslu, 308 SDs, 0 SdLazy, 70 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 92 HoareAnnotationTreeSize, 10 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 2 QuantifiedInterpolants, 6506 SizeOfPredicates, 19 NumberOfNonLiveVariables, 203 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...