./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/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 66cb741c1a4973eb036ada076f70b691f8ab4b25 .................................................................................................................................................................................................................................................................................................. 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_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/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 66cb741c1a4973eb036ada076f70b691f8ab4b25 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:50:27,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:50:27,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:50:27,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:50:27,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:50:27,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:50:27,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:50:27,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:50:27,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:50:27,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:50:27,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:50:27,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:50:27,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:50:27,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:50:27,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:50:27,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:50:27,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:50:27,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:50:27,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:50:27,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:50:27,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:50:27,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:50:27,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:50:27,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:50:27,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:50:27,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:50:27,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:50:27,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:50:27,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:50:27,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:50:27,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:50:27,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:50:27,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:50:27,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:50:27,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:50:27,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:50:27,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:50:27,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:50:27,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:50:27,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:50:27,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:50:27,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:50:27,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:50:27,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:50:27,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:50:27,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:50:27,746 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:50:27,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:50:27,747 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:50:27,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:50:27,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:50:27,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:50:27,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:50:27,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:50:27,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:50:27,748 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:50:27,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:50:27,749 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:50:27,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:50:27,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:50:27,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:50:27,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:50:27,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:50:27,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:50:27,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:50:27,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:50:27,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:50:27,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:50:27,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:50:27,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:50:27,752 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_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/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 -> 66cb741c1a4973eb036ada076f70b691f8ab4b25 [2019-11-20 09:50:27,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:50:27,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:50:27,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:50:27,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:50:27,902 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:50:27,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-11-20 09:50:27,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data/42cd3e88e/3ab3e1fc14924b149dc257d92575d28b/FLAG44b3c268f [2019-11-20 09:50:28,343 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:50:28,344 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-11-20 09:50:28,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data/42cd3e88e/3ab3e1fc14924b149dc257d92575d28b/FLAG44b3c268f [2019-11-20 09:50:28,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data/42cd3e88e/3ab3e1fc14924b149dc257d92575d28b [2019-11-20 09:50:28,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:50:28,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:50:28,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:50:28,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:50:28,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:50:28,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5195dffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28, skipping insertion in model container [2019-11-20 09:50:28,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,380 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:50:28,405 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:50:28,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:50:28,736 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:50:28,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:50:28,812 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:50:28,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28 WrapperNode [2019-11-20 09:50:28,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:50:28,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:50:28,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:50:28,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:50:28,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:50:28,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:50:28,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:50:28,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:50:28,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... [2019-11-20 09:50:28,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:50:28,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:50:28,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:50:28,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:50:28,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:50:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:50:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:50:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 09:50:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 09:50:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:50:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:50:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:50:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-20 09:50:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:50:29,516 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:50:29,516 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 09:50:29,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:29 BoogieIcfgContainer [2019-11-20 09:50:29,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:50:29,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:50:29,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:50:29,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:50:29,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:50:28" (1/3) ... [2019-11-20 09:50:29,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1ec414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:29, skipping insertion in model container [2019-11-20 09:50:29,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:28" (2/3) ... [2019-11-20 09:50:29,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1ec414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:29, skipping insertion in model container [2019-11-20 09:50:29,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:29" (3/3) ... [2019-11-20 09:50:29,524 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2019-11-20 09:50:29,531 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:50:29,536 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:50:29,545 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:50:29,568 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:50:29,568 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:50:29,568 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:50:29,568 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:50:29,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:50:29,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:50:29,569 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:50:29,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:50:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-11-20 09:50:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 09:50:29,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:50:29,589 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:50:29,590 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:50:29,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:50:29,595 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-11-20 09:50:29,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:50:29,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000926993] [2019-11-20 09:50:29,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:50:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:50:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:50:29,712 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000926993] [2019-11-20 09:50:29,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:50:29,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:50:29,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663810352] [2019-11-20 09:50:29,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:50:29,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:50:29,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:50:29,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:50:29,729 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-11-20 09:50:29,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:50:29,751 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-11-20 09:50:29,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:50:29,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 09:50:29,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:50:29,763 INFO L225 Difference]: With dead ends: 108 [2019-11-20 09:50:29,763 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 09:50:29,766 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:50:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 09:50:29,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-20 09:50:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-20 09:50:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-11-20 09:50:29,798 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-11-20 09:50:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:50:29,798 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-11-20 09:50:29,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:50:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-11-20 09:50:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 09:50:29,799 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:50:29,800 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:50:29,800 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:50:29,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:50:29,800 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-11-20 09:50:29,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:50:29,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60520097] [2019-11-20 09:50:29,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:50:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:50:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:50:29,936 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:50:29,936 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 09:50:29,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:50:29 BoogieIcfgContainer [2019-11-20 09:50:29,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:50:29,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:50:29,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:50:29,967 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:50:29,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:29" (3/4) ... [2019-11-20 09:50:29,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:50:29,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:50:29,973 INFO L168 Benchmark]: Toolchain (without parser) took 1605.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:29,973 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:50:29,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -224.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:29,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:29,975 INFO L168 Benchmark]: Boogie Preprocessor took 52.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:50:29,976 INFO L168 Benchmark]: RCFGBuilder took 587.27 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:29,976 INFO L168 Benchmark]: TraceAbstraction took 447.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:50:29,977 INFO L168 Benchmark]: Witness Printer took 4.64 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. [2019-11-20 09:50:29,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 446.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -224.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 587.27 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 447.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.64 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 176]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L170] double x = 1.0 / 0.0; [L171] double y = __VERIFIER_nondet_double(); [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={3:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L172] double res = fmod_double(x, y); [L16] return x != x; VAL [one_fmod=1, Zero_fmod={3:0}] [L175] COND TRUE !isnan_double(res) [L176] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 81 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=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 09:50:31,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:50:31,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:50:31,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:50:31,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:50:31,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:50:31,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:50:31,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:50:31,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:50:31,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:50:31,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:50:31,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:50:31,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:50:31,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:50:31,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:50:31,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:50:31,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:50:31,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:50:31,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:50:31,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:50:31,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:50:31,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:50:31,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:50:31,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:50:31,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:50:31,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:50:31,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:50:31,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:50:31,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:50:31,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:50:31,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:50:31,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:50:31,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:50:31,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:50:31,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:50:31,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:50:31,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:50:31,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:50:31,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:50:31,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:50:31,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:50:31,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 09:50:31,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:50:31,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:50:31,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:50:31,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:50:31,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:50:31,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:50:31,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:50:31,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:50:31,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:50:31,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:50:31,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:50:31,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:50:31,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 09:50:31,927 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 09:50:31,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:50:31,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:50:31,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:50:31,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:50:31,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:50:31,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:50:31,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:50:31,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:50:31,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:50:31,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:50:31,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:50:31,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:50:31,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 09:50:31,930 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 09:50:31,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:50:31,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 09:50:31,931 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_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/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 -> 66cb741c1a4973eb036ada076f70b691f8ab4b25 [2019-11-20 09:50:32,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:50:32,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:50:32,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:50:32,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:50:32,231 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:50:32,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-11-20 09:50:32,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data/8043b6137/81a0d84aac2b40eab905e1be9687aff6/FLAGf4d1ce21e [2019-11-20 09:50:32,677 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:50:32,678 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-11-20 09:50:32,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data/8043b6137/81a0d84aac2b40eab905e1be9687aff6/FLAGf4d1ce21e [2019-11-20 09:50:33,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/data/8043b6137/81a0d84aac2b40eab905e1be9687aff6 [2019-11-20 09:50:33,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:50:33,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:50:33,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:50:33,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:50:33,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:50:33,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64eb1c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33, skipping insertion in model container [2019-11-20 09:50:33,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,119 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:50:33,141 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:50:33,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:50:33,420 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:50:33,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:50:33,573 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:50:33,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33 WrapperNode [2019-11-20 09:50:33,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:50:33,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:50:33,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:50:33,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:50:33,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:50:33,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:50:33,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:50:33,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:50:33,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... [2019-11-20 09:50:33,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:50:33,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:50:33,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:50:33,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:50:33,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:50:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 09:50:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 09:50:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:50:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-20 09:50:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 09:50:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:50:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:50:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 09:50:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:50:36,984 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:50:36,984 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 09:50:36,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:36 BoogieIcfgContainer [2019-11-20 09:50:36,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:50:36,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:50:36,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:50:36,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:50:36,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:50:33" (1/3) ... [2019-11-20 09:50:36,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfffe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:36, skipping insertion in model container [2019-11-20 09:50:36,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:50:33" (2/3) ... [2019-11-20 09:50:36,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfffe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:50:36, skipping insertion in model container [2019-11-20 09:50:36,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:36" (3/3) ... [2019-11-20 09:50:36,992 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2019-11-20 09:50:37,000 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:50:37,007 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:50:37,017 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:50:37,039 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:50:37,040 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:50:37,040 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:50:37,040 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:50:37,040 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:50:37,041 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:50:37,041 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:50:37,041 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:50:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-11-20 09:50:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 09:50:37,057 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:50:37,058 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:50:37,058 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:50:37,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:50:37,062 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-11-20 09:50:37,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:50:37,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713752822] [2019-11-20 09:50:37,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 09:50:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:50:38,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 09:50:38,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:50:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:50:38,089 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:50:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:50:38,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713752822] [2019-11-20 09:50:38,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:50:38,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 09:50:38,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563605458] [2019-11-20 09:50:38,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:50:38,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:50:38,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:50:38,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:50:38,110 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-11-20 09:50:38,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:50:38,129 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-11-20 09:50:38,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:50:38,130 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 09:50:38,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:50:38,140 INFO L225 Difference]: With dead ends: 108 [2019-11-20 09:50:38,141 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 09:50:38,143 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:50:38,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 09:50:38,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-20 09:50:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-20 09:50:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-11-20 09:50:38,179 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-11-20 09:50:38,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:50:38,179 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-11-20 09:50:38,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:50:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-11-20 09:50:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 09:50:38,180 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:50:38,181 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:50:38,393 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 09:50:38,394 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:50:38,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:50:38,394 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-11-20 09:50:38,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:50:38,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630361152] [2019-11-20 09:50:38,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 09:50:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:50:39,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 09:50:39,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:50:47,746 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 11 [2019-11-20 09:50:47,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:50:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:50:54,454 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:51:05,729 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul roundNearestTiesToEven c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-11-20 09:51:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:51:06,736 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630361152] [2019-11-20 09:51:06,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:51:06,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 09:51:06,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218057161] [2019-11-20 09:51:06,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 09:51:06,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:51:06,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 09:51:06,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=53, Unknown=2, NotChecked=14, Total=90 [2019-11-20 09:51:06,740 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 10 states. [2019-11-20 09:51:10,036 WARN L860 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_fmod_double_~x (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul roundNearestTiesToEven c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0))))) is different from true [2019-11-20 09:51:19,125 WARN L838 $PredicateComparison]: unable to prove that (and (not (fp.eq |c_ULTIMATE.start_fmod_double_#res| |c_ULTIMATE.start_fmod_double_#res|)) (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res|)) (= (_ bv1 32) |c_ULTIMATE.start_isnan_double_#res|)) is different from false [2019-11-20 09:51:20,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:51:20,035 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2019-11-20 09:51:20,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 09:51:20,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2019-11-20 09:51:20,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:51:20,070 INFO L225 Difference]: With dead ends: 57 [2019-11-20 09:51:20,070 INFO L226 Difference]: Without dead ends: 52 [2019-11-20 09:51:20,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 36.2s TimeCoverageRelationStatistics Valid=25, Invalid=55, Unknown=4, NotChecked=48, Total=132 [2019-11-20 09:51:20,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-11-20 09:51:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-20 09:51:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-20 09:51:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2019-11-20 09:51:20,078 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2019-11-20 09:51:20,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:51:20,078 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-11-20 09:51:20,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 09:51:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2019-11-20 09:51:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 09:51:20,079 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:51:20,080 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:51:20,297 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 09:51:20,297 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:51:20,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:51:20,297 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2019-11-20 09:51:20,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:51:20,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144948773] [2019-11-20 09:51:20,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 09:51:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:51:20,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 09:51:20,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:51:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:51:20,506 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:51:20,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:51:20,571 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144948773] [2019-11-20 09:51:20,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:51:20,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-11-20 09:51:20,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817094163] [2019-11-20 09:51:20,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 09:51:20,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:51:20,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 09:51:20,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:51:20,574 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 7 states. [2019-11-20 09:51:20,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:51:20,626 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2019-11-20 09:51:20,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:51:20,627 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-20 09:51:20,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:51:20,627 INFO L225 Difference]: With dead ends: 52 [2019-11-20 09:51:20,627 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:51:20,628 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:51:20,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:51:20,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:51:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:51:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:51:20,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-20 09:51:20,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:51:20,629 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:51:20,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 09:51:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:51:20,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:51:20,839 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 09:51:20,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:51:33,662 WARN L191 SmtUtils]: Spent 12.77 s on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-11-20 09:51:39,865 WARN L191 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 14 DAG size of output: 7 [2019-11-20 09:51:39,884 INFO L444 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-11-20 09:51:39,884 INFO L444 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 09:51:39,884 INFO L444 ceAbstractionStarter]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2019-11-20 09:51:39,884 INFO L440 ceAbstractionStarter]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2019-11-20 09:51:39,884 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:51:39,884 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2019-11-20 09:51:39,885 INFO L444 ceAbstractionStarter]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2019-11-20 09:51:39,885 INFO L444 ceAbstractionStarter]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2019-11-20 09:51:39,885 INFO L444 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2019-11-20 09:51:39,885 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2019-11-20 09:51:39,885 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2019-11-20 09:51:39,885 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2019-11-20 09:51:39,885 INFO L444 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2019-11-20 09:51:39,886 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2019-11-20 09:51:39,886 INFO L440 ceAbstractionStarter]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2019-11-20 09:51:39,886 INFO L440 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2019-11-20 09:51:39,886 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:51:39,886 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-20 09:51:39,886 INFO L444 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2019-11-20 09:51:39,886 INFO L444 ceAbstractionStarter]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2019-11-20 09:51:39,887 INFO L440 ceAbstractionStarter]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2019-11-20 09:51:39,887 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 178) no Hoare annotation was computed. [2019-11-20 09:51:39,887 INFO L444 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2019-11-20 09:51:39,887 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2019-11-20 09:51:39,887 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2019-11-20 09:51:39,887 INFO L440 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: (= ULTIMATE.start_fmod_double_~x (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2019-11-20 09:51:39,887 INFO L444 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2019-11-20 09:51:39,888 INFO L444 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2019-11-20 09:51:39,888 INFO L440 ceAbstractionStarter]: At program point L160(lines 23 161) the Hoare annotation is: (not (fp.eq |ULTIMATE.start_fmod_double_#res| |ULTIMATE.start_fmod_double_#res|)) [2019-11-20 09:51:39,888 INFO L440 ceAbstractionStarter]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2019-11-20 09:51:39,888 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:51:39,888 INFO L444 ceAbstractionStarter]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2019-11-20 09:51:39,888 INFO L444 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2019-11-20 09:51:39,888 INFO L444 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2019-11-20 09:51:39,889 INFO L444 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2019-11-20 09:51:39,889 INFO L444 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 09:51:39,889 INFO L444 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 09:51:39,889 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-11-20 09:51:39,889 INFO L444 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2019-11-20 09:51:39,889 INFO L447 ceAbstractionStarter]: At program point L180(lines 163 181) the Hoare annotation is: true [2019-11-20 09:51:39,889 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-20 09:51:39,890 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:51:39,890 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2019-11-20 09:51:39,890 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-20 09:51:39,890 INFO L440 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (and (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-11-20 09:51:39,890 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2019-11-20 09:51:39,890 INFO L444 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2019-11-20 09:51:39,891 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2019-11-20 09:51:39,891 INFO L444 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-20 09:51:39,891 INFO L444 ceAbstractionStarter]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2019-11-20 09:51:39,891 INFO L440 ceAbstractionStarter]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2019-11-20 09:51:39,891 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2019-11-20 09:51:39,891 INFO L444 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2019-11-20 09:51:39,891 INFO L440 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2019-11-20 09:51:39,892 INFO L444 ceAbstractionStarter]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2019-11-20 09:51:39,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-11-20 09:51:39,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-11-20 09:51:39,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-11-20 09:51:39,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,919 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-11-20 09:51:39,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:39,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:51:39 BoogieIcfgContainer [2019-11-20 09:51:39,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:51:39,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:51:39,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:51:39,932 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:51:39,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:50:36" (3/4) ... [2019-11-20 09:51:39,937 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:51:39,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 09:51:39,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 09:51:39,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:51:39,989 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7d58bc85-a2c5-45d9-add0-7b2ae5a9e04b/bin/uautomizer/witness.graphml [2019-11-20 09:51:39,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:51:39,990 INFO L168 Benchmark]: Toolchain (without parser) took 66890.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 960.4 MB in the beginning and 922.2 MB in the end (delta: 38.2 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:51:39,991 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:51:39,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:51:39,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:51:39,992 INFO L168 Benchmark]: Boogie Preprocessor took 61.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:51:39,993 INFO L168 Benchmark]: RCFGBuilder took 3282.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:51:39,993 INFO L168 Benchmark]: TraceAbstraction took 62944.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 922.2 MB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:51:39,994 INFO L168 Benchmark]: Witness Printer took 57.97 ms. Allocated memory is still 1.1 GB. Free memory is still 922.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:51:39,996 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 471.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3282.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 62944.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 922.2 MB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. * Witness Printer took 57.97 ms. Allocated memory is still 1.1 GB. Free memory is still 922.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: 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: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: !~fp.eq~DOUBLE(\result, \result) - InvariantResult [Line: 16]: Loop Invariant [2019-11-20 09:51:40,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,006 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-11-20 09:51:40,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-11-20 09:51:40,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-11-20 09:51:40,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~y : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y)) == \result) && 1bv32 == \result - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant [2019-11-20 09:51:40,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 09:51:40,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 62.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.0s, HoareTripleCheckerStatistics: 161 SDtfs, 12 SDslu, 404 SDs, 0 SdLazy, 31 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 36.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 47 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 18.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 13 QuantifiedInterpolants, 4965 SizeOfPredicates, 16 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...