./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/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 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b .................................................................................................................................................................................................................................................................................................................................................. 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_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/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 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:53:09,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:53:09,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:53:09,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:53:09,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:53:09,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:53:09,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:53:09,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:53:09,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:53:09,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:53:09,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:53:09,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:53:09,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:53:09,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:53:09,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:53:09,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:53:09,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:53:09,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:53:09,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:53:09,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:53:09,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:53:09,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:53:09,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:53:09,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:53:09,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:53:09,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:53:09,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:53:09,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:53:09,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:53:09,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:53:09,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:53:09,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:53:09,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:53:09,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:53:09,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:53:09,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:53:09,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:53:09,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:53:09,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:53:09,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:53:09,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:53:09,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 06:53:09,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:53:09,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:53:09,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:53:09,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:53:09,864 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:53:09,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:53:09,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:53:09,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:53:09,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:53:09,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:53:09,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:53:09,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:53:09,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:53:09,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:53:09,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:53:09,867 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:53:09,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:53:09,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:53:09,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:53:09,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:53:09,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:53:09,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:53:09,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:53:09,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:53:09,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:53:09,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:53:09,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:53:09,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:53:09,870 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_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/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 -> 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b [2019-11-20 06:53:10,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:53:10,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:53:10,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:53:10,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:53:10,059 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:53:10,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920a.c [2019-11-20 06:53:10,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data/d37de22c7/b5dcc97dbac74064bc356ba170050302/FLAGd849b9704 [2019-11-20 06:53:10,521 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:53:10,522 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/sv-benchmarks/c/float-newlib/double_req_bl_0920a.c [2019-11-20 06:53:10,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data/d37de22c7/b5dcc97dbac74064bc356ba170050302/FLAGd849b9704 [2019-11-20 06:53:10,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data/d37de22c7/b5dcc97dbac74064bc356ba170050302 [2019-11-20 06:53:10,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:53:10,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:53:10,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:53:10,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:53:10,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:53:10,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:53:10" (1/1) ... [2019-11-20 06:53:10,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b42ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:10, skipping insertion in model container [2019-11-20 06:53:10,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:53:10" (1/1) ... [2019-11-20 06:53:10,988 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:53:11,012 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:53:11,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:53:11,359 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:53:11,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:53:11,468 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:53:11,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11 WrapperNode [2019-11-20 06:53:11,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:53:11,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:53:11,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:53:11,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:53:11,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:53:11,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:53:11,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:53:11,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:53:11,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... [2019-11-20 06:53:11,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:53:11,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:53:11,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:53:11,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:53:11,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:53:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:53:11,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 06:53:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:53:11,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 06:53:11,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:53:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:53:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:53:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:53:12,081 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:53:12,081 INFO L285 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-20 06:53:12,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:12 BoogieIcfgContainer [2019-11-20 06:53:12,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:53:12,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:53:12,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:53:12,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:53:12,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:53:10" (1/3) ... [2019-11-20 06:53:12,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727b0eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:53:12, skipping insertion in model container [2019-11-20 06:53:12,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:11" (2/3) ... [2019-11-20 06:53:12,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727b0eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:53:12, skipping insertion in model container [2019-11-20 06:53:12,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:12" (3/3) ... [2019-11-20 06:53:12,090 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a.c [2019-11-20 06:53:12,098 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:53:12,103 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:53:12,112 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:53:12,136 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:53:12,136 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:53:12,137 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:53:12,137 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:53:12,137 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:53:12,137 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:53:12,137 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:53:12,137 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:53:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-11-20 06:53:12,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 06:53:12,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:53:12,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:53:12,156 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:53:12,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:53:12,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1394505008, now seen corresponding path program 1 times [2019-11-20 06:53:12,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:53:12,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866193373] [2019-11-20 06:53:12,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:53:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:53:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:12,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866193373] [2019-11-20 06:53:12,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:53:12,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 06:53:12,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116727655] [2019-11-20 06:53:12,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 06:53:12,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:53:12,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 06:53:12,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:53:12,307 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-11-20 06:53:12,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:53:12,326 INFO L93 Difference]: Finished difference Result 69 states and 110 transitions. [2019-11-20 06:53:12,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:53:12,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 06:53:12,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:53:12,339 INFO L225 Difference]: With dead ends: 69 [2019-11-20 06:53:12,339 INFO L226 Difference]: Without dead ends: 32 [2019-11-20 06:53:12,342 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:53:12,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-20 06:53:12,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-20 06:53:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-20 06:53:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2019-11-20 06:53:12,376 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 43 transitions. Word has length 12 [2019-11-20 06:53:12,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:53:12,376 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 43 transitions. [2019-11-20 06:53:12,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 06:53:12,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2019-11-20 06:53:12,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 06:53:12,378 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:53:12,378 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:53:12,378 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:53:12,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:53:12,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1007782307, now seen corresponding path program 1 times [2019-11-20 06:53:12,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:53:12,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403151294] [2019-11-20 06:53:12,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:53:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:53:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:12,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403151294] [2019-11-20 06:53:12,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:53:12,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:53:12,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459320014] [2019-11-20 06:53:12,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:53:12,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:53:12,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:53:12,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:53:12,455 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. Second operand 3 states. [2019-11-20 06:53:12,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:53:12,489 INFO L93 Difference]: Finished difference Result 57 states and 78 transitions. [2019-11-20 06:53:12,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:53:12,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-20 06:53:12,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:53:12,491 INFO L225 Difference]: With dead ends: 57 [2019-11-20 06:53:12,491 INFO L226 Difference]: Without dead ends: 32 [2019-11-20 06:53:12,492 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:53:12,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-20 06:53:12,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-20 06:53:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-20 06:53:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2019-11-20 06:53:12,497 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 13 [2019-11-20 06:53:12,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:53:12,498 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2019-11-20 06:53:12,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:53:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2019-11-20 06:53:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:53:12,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:53:12,499 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:53:12,499 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:53:12,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:53:12,500 INFO L82 PathProgramCache]: Analyzing trace with hash 32951480, now seen corresponding path program 1 times [2019-11-20 06:53:12,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:53:12,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463781040] [2019-11-20 06:53:12,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:53:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:53:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:53:12,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:53:12,712 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 06:53:12,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:53:12 BoogieIcfgContainer [2019-11-20 06:53:12,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:53:12,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:53:12,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:53:12,777 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:53:12,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:12" (3/4) ... [2019-11-20 06:53:12,786 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 06:53:12,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:53:12,789 INFO L168 Benchmark]: Toolchain (without parser) took 1816.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -126.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:53:12,790 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:53:12,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:53:12,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:53:12,793 INFO L168 Benchmark]: Boogie Preprocessor took 37.48 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:53:12,794 INFO L168 Benchmark]: RCFGBuilder took 516.11 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:53:12,796 INFO L168 Benchmark]: TraceAbstraction took 692.63 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:53:12,797 INFO L168 Benchmark]: Witness Printer took 9.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:53:12,804 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 498.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.48 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 516.11 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 692.63 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 9.92 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: 154]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L146] double x = __VERIFIER_nondet_double(); [L148] EXPR x < 0 && isfinite_double(x) [L127] __int32_t hx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L129] ieee_double_shape_type gh_u; [L130] gh_u.value = (x) [L131] EXPR gh_u.parts.msw [L131] (hx) = gh_u.parts.msw [L133] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L148] EXPR x < 0 && isfinite_double(x) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L148] COND TRUE (x < 0 && isfinite_double(x)) [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L58] COND FALSE !(hx < 0x00100000) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L71] COND TRUE hx >= 0x7ff00000 [L72] return x + x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L150] double res = __ieee754_log(x); [L137] return x != x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L153] COND TRUE !isnan_double(res) [L154] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 91 SDtfs, 0 SDslu, 38 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 06:53:14,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:53:14,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:53:14,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:53:14,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:53:14,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:53:14,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:53:14,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:53:14,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:53:14,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:53:14,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:53:14,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:53:14,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:53:14,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:53:14,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:53:14,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:53:14,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:53:14,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:53:14,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:53:14,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:53:14,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:53:14,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:53:14,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:53:14,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:53:14,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:53:14,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:53:14,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:53:14,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:53:14,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:53:14,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:53:14,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:53:14,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:53:14,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:53:14,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:53:14,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:53:14,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:53:14,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:53:14,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:53:14,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:53:14,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:53:14,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:53:14,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 06:53:14,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:53:14,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:53:14,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:53:14,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:53:14,970 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:53:14,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:53:14,971 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:53:14,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:53:14,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:53:14,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:53:14,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:53:14,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:53:14,972 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 06:53:14,973 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 06:53:14,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:53:14,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:53:14,973 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:53:14,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:53:14,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:53:14,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:53:14,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:53:14,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:53:14,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:53:14,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:53:14,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:53:14,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:53:14,976 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 06:53:14,976 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 06:53:14,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:53:14,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:53:14,977 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_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/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 -> 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b [2019-11-20 06:53:15,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:53:15,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:53:15,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:53:15,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:53:15,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:53:15,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920a.c [2019-11-20 06:53:15,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data/a514df06c/404f9fbcdbee4fc99510b2760313342e/FLAG1373b25bc [2019-11-20 06:53:15,829 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:53:15,829 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/sv-benchmarks/c/float-newlib/double_req_bl_0920a.c [2019-11-20 06:53:15,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data/a514df06c/404f9fbcdbee4fc99510b2760313342e/FLAG1373b25bc [2019-11-20 06:53:16,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/data/a514df06c/404f9fbcdbee4fc99510b2760313342e [2019-11-20 06:53:16,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:53:16,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:53:16,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:53:16,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:53:16,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:53:16,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623f41a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16, skipping insertion in model container [2019-11-20 06:53:16,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,204 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:53:16,241 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:53:16,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:53:16,515 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:53:16,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:53:16,692 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:53:16,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16 WrapperNode [2019-11-20 06:53:16,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:53:16,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:53:16,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:53:16,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:53:16,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:53:16,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:53:16,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:53:16,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:53:16,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... [2019-11-20 06:53:16,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:53:16,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:53:16,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:53:16,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:53:16,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:53:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 06:53:16,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 06:53:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:53:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 06:53:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:53:16,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:53:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 06:53:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:53:40,752 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:53:40,752 INFO L285 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-20 06:53:40,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:40 BoogieIcfgContainer [2019-11-20 06:53:40,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:53:40,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:53:40,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:53:40,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:53:40,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:53:16" (1/3) ... [2019-11-20 06:53:40,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48352755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:53:40, skipping insertion in model container [2019-11-20 06:53:40,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:53:16" (2/3) ... [2019-11-20 06:53:40,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48352755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:53:40, skipping insertion in model container [2019-11-20 06:53:40,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:40" (3/3) ... [2019-11-20 06:53:40,760 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a.c [2019-11-20 06:53:40,768 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:53:40,773 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:53:40,781 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:53:40,806 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:53:40,806 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:53:40,806 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:53:40,806 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:53:40,806 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:53:40,807 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:53:40,807 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:53:40,807 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:53:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-11-20 06:53:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 06:53:40,823 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:53:40,824 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:53:40,825 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:53:40,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:53:40,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1394505008, now seen corresponding path program 1 times [2019-11-20 06:53:40,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:53:40,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718501402] [2019-11-20 06:53:40,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 06:53:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:53:41,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 06:53:41,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:53:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:41,033 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:53:41,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:41,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718501402] [2019-11-20 06:53:41,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:53:41,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 06:53:41,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123920170] [2019-11-20 06:53:41,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 06:53:41,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:53:41,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 06:53:41,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:53:41,061 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-11-20 06:53:41,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:53:41,089 INFO L93 Difference]: Finished difference Result 69 states and 110 transitions. [2019-11-20 06:53:41,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:53:41,091 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 06:53:41,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:53:41,104 INFO L225 Difference]: With dead ends: 69 [2019-11-20 06:53:41,105 INFO L226 Difference]: Without dead ends: 32 [2019-11-20 06:53:41,109 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:53:41,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-20 06:53:41,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-20 06:53:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-20 06:53:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2019-11-20 06:53:41,142 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 43 transitions. Word has length 12 [2019-11-20 06:53:41,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:53:41,143 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 43 transitions. [2019-11-20 06:53:41,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 06:53:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2019-11-20 06:53:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 06:53:41,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:53:41,144 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:53:41,365 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 06:53:41,365 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:53:41,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:53:41,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1007782307, now seen corresponding path program 1 times [2019-11-20 06:53:41,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:53:41,366 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086747462] [2019-11-20 06:53:41,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 06:53:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:53:41,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 06:53:41,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:53:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:41,496 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:53:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:41,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086747462] [2019-11-20 06:53:41,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:53:41,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-20 06:53:41,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282980817] [2019-11-20 06:53:41,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:53:41,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:53:41,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:53:41,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:53:41,502 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. Second operand 3 states. [2019-11-20 06:53:41,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:53:41,529 INFO L93 Difference]: Finished difference Result 57 states and 78 transitions. [2019-11-20 06:53:41,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:53:41,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-20 06:53:41,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:53:41,535 INFO L225 Difference]: With dead ends: 57 [2019-11-20 06:53:41,536 INFO L226 Difference]: Without dead ends: 32 [2019-11-20 06:53:41,537 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:53:41,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-20 06:53:41,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-20 06:53:41,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-20 06:53:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2019-11-20 06:53:41,546 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 13 [2019-11-20 06:53:41,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:53:41,547 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2019-11-20 06:53:41,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:53:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2019-11-20 06:53:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:53:41,549 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:53:41,551 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:53:41,766 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 06:53:41,766 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:53:41,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:53:41,767 INFO L82 PathProgramCache]: Analyzing trace with hash 32951480, now seen corresponding path program 1 times [2019-11-20 06:53:41,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:53:41,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139558204] [2019-11-20 06:53:41,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 06:53:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:53:41,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 06:53:41,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:53:42,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:42,029 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:53:42,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:42,218 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139558204] [2019-11-20 06:53:42,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:53:42,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 06:53:42,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972746236] [2019-11-20 06:53:42,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 06:53:42,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:53:42,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 06:53:42,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 06:53:42,220 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. Second operand 10 states. [2019-11-20 06:53:48,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:53:48,737 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2019-11-20 06:53:48,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 06:53:48,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-20 06:53:48,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:53:48,765 INFO L225 Difference]: With dead ends: 37 [2019-11-20 06:53:48,765 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 06:53:48,766 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-20 06:53:48,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 06:53:48,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 06:53:48,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 06:53:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-20 06:53:48,769 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2019-11-20 06:53:48,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:53:48,769 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-20 06:53:48,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 06:53:48,770 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-20 06:53:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:53:48,770 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:53:48,770 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:53:48,971 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 06:53:48,971 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:53:48,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:53:48,971 INFO L82 PathProgramCache]: Analyzing trace with hash -677236169, now seen corresponding path program 1 times [2019-11-20 06:53:48,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:53:48,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1890377295] [2019-11-20 06:53:48,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-20 06:53:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:53:49,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 06:53:49,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:53:50,087 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2019-11-20 06:53:50,101 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-20 06:53:50,102 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:53:50,116 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,124 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,125 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 06:53:50,126 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 06:53:50,129 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,129 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:53:50,145 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,146 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 06:53:50,146 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:48, output treesize:20 [2019-11-20 06:53:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:50,186 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:53:50,263 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,264 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 40 [2019-11-20 06:53:50,293 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,294 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 36 [2019-11-20 06:53:50,294 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 06:53:50,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,323 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,324 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2019-11-20 06:53:50,325 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 06:53:50,328 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,328 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 06:53:50,337 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 06:53:50,337 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 06:53:50,338 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:50, output treesize:21 [2019-11-20 06:53:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:50,460 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1890377295] [2019-11-20 06:53:50,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:53:50,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 06:53:50,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201365233] [2019-11-20 06:53:50,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 06:53:50,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:53:50,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 06:53:50,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 06:53:50,462 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2019-11-20 06:53:52,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:53:52,454 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-11-20 06:53:52,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 06:53:52,861 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-20 06:53:52,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:53:52,862 INFO L225 Difference]: With dead ends: 24 [2019-11-20 06:53:52,862 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 06:53:52,863 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-20 06:53:52,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 06:53:52,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 06:53:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 06:53:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-20 06:53:52,867 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 17 [2019-11-20 06:53:52,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:53:52,867 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-20 06:53:52,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 06:53:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-20 06:53:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 06:53:52,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:53:52,869 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:53:53,069 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 06:53:53,069 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:53:53,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:53:53,070 INFO L82 PathProgramCache]: Analyzing trace with hash 471217663, now seen corresponding path program 1 times [2019-11-20 06:53:53,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:53:53,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218046743] [2019-11-20 06:53:53,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-20 06:53:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:53:54,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 06:53:54,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:53:54,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 06:53:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:53:54,894 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:54:07,382 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 8 [2019-11-20 06:54:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:54:07,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218046743] [2019-11-20 06:54:07,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:54:07,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-20 06:54:07,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986574338] [2019-11-20 06:54:07,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 06:54:07,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:54:07,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 06:54:07,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-20 06:54:07,396 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2019-11-20 06:54:10,361 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2019-11-20 06:54:11,217 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2019-11-20 06:54:11,525 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2019-11-20 06:54:11,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:54:11,526 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-20 06:54:11,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 06:54:11,526 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-11-20 06:54:11,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:54:11,527 INFO L225 Difference]: With dead ends: 19 [2019-11-20 06:54:11,527 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 06:54:11,527 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2019-11-20 06:54:11,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 06:54:11,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 06:54:11,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 06:54:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 06:54:11,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-20 06:54:11,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:54:11,529 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:54:11,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 06:54:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:54:11,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:54:11,729 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 06:54:11,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 06:54:11,925 INFO L447 ceAbstractionStarter]: At program point L159(lines 139 160) the Hoare annotation is: true [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2019-11-20 06:54:11,926 INFO L444 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-20 06:54:11,927 INFO L440 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short16| (= (_ +zero 11 53) ~zero~0) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) [2019-11-20 06:54:11,927 INFO L444 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-11-20 06:54:11,927 INFO L444 ceAbstractionStarter]: For program point L153(lines 153 156) no Hoare annotation was computed. [2019-11-20 06:54:11,927 INFO L440 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (and (= (_ +zero 11 53) ~zero~0) (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~lx~1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_10|)) (fp.lt (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (= ULTIMATE.start___ieee754_log_~hx~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)))) (fp.lt ULTIMATE.start___ieee754_log_~x .cse0) (not (fp.eq |ULTIMATE.start___ieee754_log_#res| |ULTIMATE.start___ieee754_log_#res|)) (fp.lt ULTIMATE.start_main_~x~0 .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-20 06:54:11,927 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-20 06:54:11,927 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2019-11-20 06:54:11,927 INFO L440 ceAbstractionStarter]: At program point L122(lines 45 124) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (and (= (_ +zero 11 53) ~zero~0) (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~lx~1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_10|)) (fp.lt (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (= ULTIMATE.start___ieee754_log_~hx~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)))) (fp.lt ULTIMATE.start___ieee754_log_~x .cse0) (not (fp.eq |ULTIMATE.start___ieee754_log_#res| |ULTIMATE.start___ieee754_log_#res|)) (fp.lt ULTIMATE.start_main_~x~0 .cse0))) [2019-11-20 06:54:11,927 INFO L444 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-11-20 06:54:11,927 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L440 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: false [2019-11-20 06:54:11,928 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L444 ceAbstractionStarter]: For program point L148-2(lines 148 157) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L444 ceAbstractionStarter]: For program point L148-4(lines 148 157) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L444 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L444 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2019-11-20 06:54:11,928 INFO L440 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (and (= (_ +zero 11 53) ~zero~0) (fp.lt ULTIMATE.start___ieee754_log_~x .cse0) (fp.lt ULTIMATE.start_main_~x~0 .cse0))) [2019-11-20 06:54:11,929 INFO L444 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2019-11-20 06:54:11,929 INFO L440 ceAbstractionStarter]: At program point L133(lines 126 134) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short16| (= (_ +zero 11 53) ~zero~0) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) [2019-11-20 06:54:11,929 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2019-11-20 06:54:11,929 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2019-11-20 06:54:11,929 INFO L444 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2019-11-20 06:54:11,929 INFO L440 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: false [2019-11-20 06:54:11,929 INFO L444 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2019-11-20 06:54:11,935 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,936 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:11,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:11,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:54:11 BoogieIcfgContainer [2019-11-20 06:54:11,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:54:11,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:54:11,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:54:11,962 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:54:11,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:53:40" (3/4) ... [2019-11-20 06:54:11,967 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:54:11,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-11-20 06:54:11,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 06:54:11,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:54:12,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: (lx == v_skolemized_q#valueAsBitvector_10[31:0] && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && hx == v_skolemized_q#valueAsBitvector_10[63:32])) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && !~fp.eq~DOUBLE(\result, \result)) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) [2019-11-20 06:54:12,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: (lx == v_skolemized_q#valueAsBitvector_10[31:0] && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && hx == v_skolemized_q#valueAsBitvector_10[63:32])) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && !~fp.eq~DOUBLE(\result, \result)) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && 1bv32 == \result [2019-11-20 06:54:12,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b4c599cd-da6a-4de4-b8b4-cd8f4ed5add8/bin/uautomizer/witness.graphml [2019-11-20 06:54:12,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:54:12,062 INFO L168 Benchmark]: Toolchain (without parser) took 55875.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 960.4 MB in the beginning and 896.3 MB in the end (delta: 64.1 MB). Peak memory consumption was 221.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:54:12,062 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:54:12,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:54:12,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:54:12,064 INFO L168 Benchmark]: Boogie Preprocessor took 50.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:54:12,064 INFO L168 Benchmark]: RCFGBuilder took 23949.77 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:54:12,064 INFO L168 Benchmark]: TraceAbstraction took 31207.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.8 MB in the end (delta: 203.3 MB). Peak memory consumption was 203.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:54:12,065 INFO L168 Benchmark]: Witness Printer took 98.65 ms. Allocated memory is still 1.2 GB. Free memory was 902.8 MB in the beginning and 896.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:54:12,067 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 507.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 23949.77 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31207.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 902.8 MB in the end (delta: 203.3 MB). Peak memory consumption was 203.3 MB. Max. memory is 11.5 GB. * Witness Printer took 98.65 ms. Allocated memory is still 1.2 GB. Free memory was 902.8 MB in the beginning and 896.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2019-11-20 06:54:12,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: (lx == v_skolemized_q#valueAsBitvector_10[31:0] && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && hx == v_skolemized_q#valueAsBitvector_10[63:32])) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && !~fp.eq~DOUBLE(\result, \result)) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant [2019-11-20 06:54:12,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (aux-x < 0 && isfinite_double(x)-aux && ~Pluszero~LONGDOUBLE() == zero) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 50]: Loop Invariant [2019-11-20 06:54:12,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,101 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 128]: Loop Invariant [2019-11-20 06:54:12,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (aux-x < 0 && isfinite_double(x)-aux && ~Pluszero~LONGDOUBLE() == zero) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 137]: Loop Invariant [2019-11-20 06:54:12,102 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,103 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,104 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2019-11-20 06:54:12,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 06:54:12,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: (lx == v_skolemized_q#valueAsBitvector_10[31:0] && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && hx == v_skolemized_q#valueAsBitvector_10[63:32])) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && !~fp.eq~DOUBLE(\result, \result)) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && 1bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Result: SAFE, OverallTime: 31.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 128 SDtfs, 81 SDslu, 159 SDs, 0 SdLazy, 50 SolverSat, 3 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 118 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 144 ConstructedInterpolants, 35 QuantifiedInterpolants, 14508 SizeOfPredicates, 21 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...