./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 0fa375491f6ee23468a1ede5cb9608fff6035ced ............................................................................................................................................................................................................................................................................................. 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_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 0fa375491f6ee23468a1ede5cb9608fff6035ced ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:26:10,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:26:10,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:26:10,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:26:10,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:26:10,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:26:10,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:26:10,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:26:10,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:26:10,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:26:10,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:26:10,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:26:10,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:26:10,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:26:10,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:26:10,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:26:10,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:26:10,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:26:10,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:26:10,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:26:10,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:26:10,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:26:10,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:26:10,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:26:10,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:26:10,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:26:10,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:26:10,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:26:10,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:26:10,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:26:10,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:26:10,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:26:10,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:26:10,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:26:10,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:26:10,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:26:10,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:26:10,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:26:10,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:26:10,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:26:10,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:26:10,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:26:10,681 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:26:10,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:26:10,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:26:10,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:26:10,683 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:26:10,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:26:10,684 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:26:10,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:26:10,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:26:10,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:26:10,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:26:10,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:26:10,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:26:10,686 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:26:10,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:26:10,686 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:26:10,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:26:10,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:26:10,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:26:10,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:26:10,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:26:10,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:26:10,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:26:10,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:26:10,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:26:10,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:26:10,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:26:10,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:26:10,690 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_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 -> 0fa375491f6ee23468a1ede5cb9608fff6035ced [2019-11-16 00:26:10,725 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:26:10,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:26:10,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:26:10,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:26:10,749 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:26:10,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c [2019-11-16 00:26:10,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data/dcf17f721/3e0e39c951b84e238a7c8a0d2fcee9f3/FLAGd7b00a03e [2019-11-16 00:26:11,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:26:11,178 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/sv-benchmarks/c/float-newlib/double_req_bl_1051.c [2019-11-16 00:26:11,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data/dcf17f721/3e0e39c951b84e238a7c8a0d2fcee9f3/FLAGd7b00a03e [2019-11-16 00:26:11,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data/dcf17f721/3e0e39c951b84e238a7c8a0d2fcee9f3 [2019-11-16 00:26:11,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:26:11,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:26:11,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:26:11,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:26:11,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:26:11,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:11" (1/1) ... [2019-11-16 00:26:11,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd7d4fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:11, skipping insertion in model container [2019-11-16 00:26:11,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:11" (1/1) ... [2019-11-16 00:26:11,591 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:26:11,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:26:11,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:26:11,940 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:26:11,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:26:12,012 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:26:12,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12 WrapperNode [2019-11-16 00:26:12,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:26:12,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:26:12,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:26:12,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:26:12,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:26:12,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:26:12,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:26:12,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:26:12,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... [2019-11-16 00:26:12,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:26:12,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:26:12,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:26:12,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:26:12,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 [2019-11-16 00:26:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-16 00:26:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:26:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-16 00:26:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:26:12,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:26:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:26:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:26:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:26:12,542 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:26:12,543 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-16 00:26:12,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:12 BoogieIcfgContainer [2019-11-16 00:26:12,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:26:12,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:26:12,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:26:12,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:26:12,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:26:11" (1/3) ... [2019-11-16 00:26:12,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d89175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:12, skipping insertion in model container [2019-11-16 00:26:12,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:12" (2/3) ... [2019-11-16 00:26:12,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d89175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:12, skipping insertion in model container [2019-11-16 00:26:12,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:12" (3/3) ... [2019-11-16 00:26:12,568 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.c [2019-11-16 00:26:12,584 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:26:12,595 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:26:12,619 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:26:12,642 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:26:12,642 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:26:12,642 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:26:12,642 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:26:12,643 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:26:12,643 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:26:12,643 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:26:12,643 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:26:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-11-16 00:26:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:26:12,665 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:12,666 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:12,667 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:26:12,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:12,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1930047821, now seen corresponding path program 1 times [2019-11-16 00:26:12,679 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:12,679 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646651466] [2019-11-16 00:26:12,679 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:12,680 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:12,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:12,776 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646651466] [2019-11-16 00:26:12,777 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:12,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:26:12,777 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558880506] [2019-11-16 00:26:12,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:26:12,781 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:26:12,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:26:12,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:26:12,794 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2019-11-16 00:26:12,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:12,811 INFO L93 Difference]: Finished difference Result 66 states and 104 transitions. [2019-11-16 00:26:12,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:26:12,813 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-16 00:26:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:12,824 INFO L225 Difference]: With dead ends: 66 [2019-11-16 00:26:12,824 INFO L226 Difference]: Without dead ends: 31 [2019-11-16 00:26:12,827 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:26:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-16 00:26:12,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-16 00:26:12,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-16 00:26:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2019-11-16 00:26:12,865 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 45 transitions. Word has length 11 [2019-11-16 00:26:12,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:12,865 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 45 transitions. [2019-11-16 00:26:12,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:26:12,865 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2019-11-16 00:26:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-16 00:26:12,866 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:12,866 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:12,867 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:26:12,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:12,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1310126896, now seen corresponding path program 1 times [2019-11-16 00:26:12,867 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:26:12,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970649053] [2019-11-16 00:26:12,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:12,868 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:26:12,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:26:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:26:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:26:12,972 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:26:12,972 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:26:12,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:26:12 BoogieIcfgContainer [2019-11-16 00:26:12,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:26:13,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:26:13,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:26:13,000 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:26:13,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:12" (3/4) ... [2019-11-16 00:26:13,004 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:26:13,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:26:13,006 INFO L168 Benchmark]: Toolchain (without parser) took 1431.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:13,006 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:26:13,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:13,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:13,008 INFO L168 Benchmark]: Boogie Preprocessor took 34.68 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. [2019-11-16 00:26:13,009 INFO L168 Benchmark]: RCFGBuilder took 456.88 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:13,010 INFO L168 Benchmark]: TraceAbstraction took 453.66 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:13,010 INFO L168 Benchmark]: Witness Printer took 4.17 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. [2019-11-16 00:26:13,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 437.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 456.88 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 453.66 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.17 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: 93]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 37, overapproximation of bitwiseOr at line 38, overapproximation of someBinaryArithmeticDOUBLEoperation at line 88, overapproximation of bitwiseAnd at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 80. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L88] double x = 0.0 / 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND TRUE j0 < 20 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L27] COND FALSE !(j0 < 0) [L37] i = (0x000fffff) >> j0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L38] COND TRUE ((i0 & i) | i1) == 0 [L39] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L89] double res = floor_double(x); [L80] return x != x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] COND TRUE !isnan_double(res) [L93] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 48 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=34occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-16 00:26:15,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:26:15,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:26:15,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:26:15,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:26:15,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:26:15,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:26:15,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:26:15,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:26:15,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:26:15,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:26:15,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:26:15,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:26:15,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:26:15,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:26:15,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:26:15,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:26:15,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:26:15,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:26:15,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:26:15,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:26:15,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:26:15,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:26:15,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:26:15,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:26:15,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:26:15,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:26:15,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:26:15,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:26:15,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:26:15,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:26:15,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:26:15,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:26:15,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:26:15,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:26:15,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:26:15,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:26:15,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:26:15,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:26:15,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:26:15,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:26:15,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 00:26:15,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:26:15,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:26:15,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:26:15,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:26:15,482 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:26:15,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:26:15,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:26:15,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:26:15,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:26:15,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:26:15,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:26:15,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:26:15,484 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:26:15,484 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:26:15,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:26:15,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:26:15,486 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:26:15,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:26:15,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:26:15,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:26:15,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:26:15,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:26:15,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:26:15,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:26:15,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:26:15,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:26:15,493 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:26:15,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:26:15,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:26:15,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:26:15,494 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_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 -> 0fa375491f6ee23468a1ede5cb9608fff6035ced [2019-11-16 00:26:15,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:26:15,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:26:15,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:26:15,567 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:26:15,568 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:26:15,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1051.c [2019-11-16 00:26:15,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data/702e52418/2c10910f38944a44a833233d0613ba29/FLAG6dfc449b5 [2019-11-16 00:26:16,151 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:26:16,152 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/sv-benchmarks/c/float-newlib/double_req_bl_1051.c [2019-11-16 00:26:16,159 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data/702e52418/2c10910f38944a44a833233d0613ba29/FLAG6dfc449b5 [2019-11-16 00:26:16,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/data/702e52418/2c10910f38944a44a833233d0613ba29 [2019-11-16 00:26:16,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:26:16,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:26:16,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:26:16,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:26:16,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:26:16,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:16,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f63f237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16, skipping insertion in model container [2019-11-16 00:26:16,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:16,508 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:26:16,530 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:26:16,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:26:16,792 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:26:16,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:26:16,922 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:26:16,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16 WrapperNode [2019-11-16 00:26:16,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:26:16,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:26:16,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:26:16,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:26:16,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:16,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:16,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:26:16,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:26:16,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:26:16,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:26:16,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:16,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:16,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:16,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:16,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:17,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:17,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... [2019-11-16 00:26:17,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:26:17,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:26:17,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:26:17,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:26:17,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 [2019-11-16 00:26:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-16 00:26:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-16 00:26:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-16 00:26:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:26:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:26:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:26:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-16 00:26:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:26:18,140 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:26:18,140 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-16 00:26:18,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:18 BoogieIcfgContainer [2019-11-16 00:26:18,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:26:18,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:26:18,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:26:18,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:26:18,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:26:16" (1/3) ... [2019-11-16 00:26:18,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6e2928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:18, skipping insertion in model container [2019-11-16 00:26:18,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:16" (2/3) ... [2019-11-16 00:26:18,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6e2928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:18, skipping insertion in model container [2019-11-16 00:26:18,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:18" (3/3) ... [2019-11-16 00:26:18,148 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.c [2019-11-16 00:26:18,157 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:26:18,163 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:26:18,171 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:26:18,187 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:26:18,188 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:26:18,188 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:26:18,188 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:26:18,188 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:26:18,189 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:26:18,189 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:26:18,189 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:26:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-11-16 00:26:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-16 00:26:18,205 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:18,206 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:18,208 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:26:18,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:18,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1930047821, now seen corresponding path program 1 times [2019-11-16 00:26:18,219 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:26:18,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945363229] [2019-11-16 00:26:18,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 [2019-11-16 00:26:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:18,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-16 00:26:18,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:26:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:18,310 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:26:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:18,314 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945363229] [2019-11-16 00:26:18,314 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:18,315 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-16 00:26:18,315 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737828729] [2019-11-16 00:26:18,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-16 00:26:18,318 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:26:18,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-16 00:26:18,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:26:18,329 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2019-11-16 00:26:18,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:18,347 INFO L93 Difference]: Finished difference Result 66 states and 104 transitions. [2019-11-16 00:26:18,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:26:18,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-16 00:26:18,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:18,358 INFO L225 Difference]: With dead ends: 66 [2019-11-16 00:26:18,359 INFO L226 Difference]: Without dead ends: 31 [2019-11-16 00:26:18,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-16 00:26:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-16 00:26:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-16 00:26:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-16 00:26:18,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2019-11-16 00:26:18,390 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 45 transitions. Word has length 11 [2019-11-16 00:26:18,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:18,390 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 45 transitions. [2019-11-16 00:26:18,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-16 00:26:18,390 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2019-11-16 00:26:18,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-16 00:26:18,391 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:18,391 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:18,604 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-16 00:26:18,604 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:26:18,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:18,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1310126896, now seen corresponding path program 1 times [2019-11-16 00:26:18,605 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:26:18,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073176842] [2019-11-16 00:26:18,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 [2019-11-16 00:26:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:18,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-16 00:26:18,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:26:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:18,769 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:26:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:18,828 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073176842] [2019-11-16 00:26:18,829 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:18,829 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2019-11-16 00:26:18,829 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069356568] [2019-11-16 00:26:18,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:26:18,831 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:26:18,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:26:18,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:26:18,831 INFO L87 Difference]: Start difference. First operand 31 states and 45 transitions. Second operand 8 states. [2019-11-16 00:26:19,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:19,537 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2019-11-16 00:26:19,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:26:19,538 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-16 00:26:19,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:19,538 INFO L225 Difference]: With dead ends: 42 [2019-11-16 00:26:19,539 INFO L226 Difference]: Without dead ends: 21 [2019-11-16 00:26:19,539 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:26:19,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-16 00:26:19,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-16 00:26:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-16 00:26:19,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-11-16 00:26:19,543 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2019-11-16 00:26:19,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:19,544 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-11-16 00:26:19,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:26:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-11-16 00:26:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-16 00:26:19,545 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:26:19,545 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:26:19,754 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-16 00:26:19,754 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:26:19,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:26:19,755 INFO L82 PathProgramCache]: Analyzing trace with hash -649399050, now seen corresponding path program 1 times [2019-11-16 00:26:19,755 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:26:19,756 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157935441] [2019-11-16 00:26:19,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/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 [2019-11-16 00:26:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:26:19,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-16 00:26:19,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:26:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:19,955 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:26:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:26:20,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157935441] [2019-11-16 00:26:20,066 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:26:20,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-16 00:26:20,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660343493] [2019-11-16 00:26:20,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:26:20,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:26:20,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:26:20,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:26:20,068 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 8 states. [2019-11-16 00:26:20,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:26:20,191 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-11-16 00:26:20,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:26:20,192 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2019-11-16 00:26:20,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:26:20,193 INFO L225 Difference]: With dead ends: 21 [2019-11-16 00:26:20,193 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:26:20,193 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:26:20,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:26:20,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:26:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:26:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:26:20,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-16 00:26:20,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:26:20,195 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:26:20,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:26:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:26:20,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:26:20,396 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-16 00:26:20,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:26:20,468 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-16 00:26:20,468 INFO L443 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2019-11-16 00:26:20,468 INFO L443 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2019-11-16 00:26:20,468 INFO L439 ceAbstractionStarter]: At program point L19-2(lines 19 24) the Hoare annotation is: (= ULTIMATE.start_floor_double_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2019-11-16 00:26:20,468 INFO L443 ceAbstractionStarter]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2019-11-16 00:26:20,469 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:26:20,469 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:26:20,469 INFO L443 ceAbstractionStarter]: For program point L28(lines 28 35) no Hoare annotation was computed. [2019-11-16 00:26:20,469 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2019-11-16 00:26:20,469 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 16 77) no Hoare annotation was computed. [2019-11-16 00:26:20,469 INFO L443 ceAbstractionStarter]: For program point L70-2(lines 70 75) no Hoare annotation was computed. [2019-11-16 00:26:20,469 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-11-16 00:26:20,470 INFO L443 ceAbstractionStarter]: For program point L29(lines 29 34) no Hoare annotation was computed. [2019-11-16 00:26:20,470 INFO L443 ceAbstractionStarter]: For program point L62-2(lines 62 63) no Hoare annotation was computed. [2019-11-16 00:26:20,470 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-16 00:26:20,470 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-16 00:26:20,470 INFO L439 ceAbstractionStarter]: At program point L80(line 80) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start_floor_double_#res| .cse0) (= ULTIMATE.start_floor_double_~x .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-16 00:26:20,470 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 69) no Hoare annotation was computed. [2019-11-16 00:26:20,471 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 93) no Hoare annotation was computed. [2019-11-16 00:26:20,471 INFO L446 ceAbstractionStarter]: At program point L97(lines 82 98) the Hoare annotation is: true [2019-11-16 00:26:20,471 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 34) no Hoare annotation was computed. [2019-11-16 00:26:20,471 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 68) no Hoare annotation was computed. [2019-11-16 00:26:20,471 INFO L443 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-11-16 00:26:20,471 INFO L443 ceAbstractionStarter]: For program point L40(lines 40 45) no Hoare annotation was computed. [2019-11-16 00:26:20,471 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:26:20,472 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 66) no Hoare annotation was computed. [2019-11-16 00:26:20,472 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 57 66) no Hoare annotation was computed. [2019-11-16 00:26:20,472 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-11-16 00:26:20,472 INFO L443 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2019-11-16 00:26:20,472 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:26:20,472 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 65) no Hoare annotation was computed. [2019-11-16 00:26:20,472 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 95) no Hoare annotation was computed. [2019-11-16 00:26:20,473 INFO L443 ceAbstractionStarter]: For program point L26(lines 26 69) no Hoare annotation was computed. [2019-11-16 00:26:20,473 INFO L439 ceAbstractionStarter]: At program point L76(lines 16 77) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start_floor_double_#res| .cse0) (= ULTIMATE.start_floor_double_~x .cse0))) [2019-11-16 00:26:20,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,481 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:26:20 BoogieIcfgContainer [2019-11-16 00:26:20,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:26:20,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:26:20,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:26:20,510 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:26:20,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:18" (3/4) ... [2019-11-16 00:26:20,514 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:26:20,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-16 00:26:20,535 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-16 00:26:20,569 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-11-16 00:26:20,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-11-16 00:26:20,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6cef9212-b5d9-4bb6-8a62-b9256bd0e22f/bin/uautomizer/witness.graphml [2019-11-16 00:26:20,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:26:20,604 INFO L168 Benchmark]: Toolchain (without parser) took 4114.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 947.0 MB in the beginning and 978.7 MB in the end (delta: -31.7 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:20,605 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:26:20,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:20,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:20,606 INFO L168 Benchmark]: Boogie Preprocessor took 40.63 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. [2019-11-16 00:26:20,607 INFO L168 Benchmark]: RCFGBuilder took 1130.75 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:20,607 INFO L168 Benchmark]: TraceAbstraction took 2366.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.7 MB in the end (delta: 95.6 MB). Peak memory consumption was 95.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:26:20,607 INFO L168 Benchmark]: Witness Printer took 92.99 ms. Allocated memory is still 1.1 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:26:20,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 431.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1130.75 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2366.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.7 MB in the end (delta: 95.6 MB). Peak memory consumption was 95.6 MB. Max. memory is 11.5 GB. * Witness Printer took 92.99 ms. Allocated memory is still 1.1 GB. Free memory is still 978.7 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: 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: 80]: Loop Invariant [2019-11-16 00:26:20,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant [2019-11-16 00:26:20,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 16]: Loop Invariant [2019-11-16 00:26:20,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-16 00:26:20,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 27 SDslu, 75 SDs, 0 SdLazy, 60 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 36 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 4 QuantifiedInterpolants, 3206 SizeOfPredicates, 14 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 19 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...