./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.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_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/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 788527977e7ebd7aa0a832758f41b65d3cbd270a .................................................................................................................................................................................................................................................................................... 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_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/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 788527977e7ebd7aa0a832758f41b65d3cbd270a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:10:11,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:10:11,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:10:11,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:10:11,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:10:11,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:10:11,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:10:11,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:10:11,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:10:11,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:10:11,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:10:11,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:10:11,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:10:11,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:10:11,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:10:11,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:10:11,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:10:11,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:10:11,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:10:11,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:10:11,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:10:11,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:10:11,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:10:11,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:10:11,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:10:11,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:10:11,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:10:11,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:10:11,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:10:11,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:10:11,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:10:11,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:10:11,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:10:11,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:10:11,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:10:11,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:10:11,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:10:11,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:10:11,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:10:11,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:10:11,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:10:11,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:10:11,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:10:11,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:10:11,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:10:11,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:10:11,863 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:10:11,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:10:11,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:10:11,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:10:11,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:10:11,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:10:11,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:10:11,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:10:11,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:10:11,866 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:10:11,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:10:11,866 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:10:11,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:10:11,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:10:11,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:10:11,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:10:11,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:10:11,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:10:11,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:10:11,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:10:11,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:10:11,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:10:11,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:10:11,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:10:11,869 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_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/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 -> 788527977e7ebd7aa0a832758f41b65d3cbd270a [2019-11-20 09:10:12,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:10:12,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:10:12,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:10:12,062 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:10:12,063 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:10:12,063 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-20 09:10:12,113 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data/a015a69cc/5d452863308c4da4b84da9aedde77f72/FLAGd590af419 [2019-11-20 09:10:12,488 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:10:12,489 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-20 09:10:12,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data/a015a69cc/5d452863308c4da4b84da9aedde77f72/FLAGd590af419 [2019-11-20 09:10:12,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data/a015a69cc/5d452863308c4da4b84da9aedde77f72 [2019-11-20 09:10:12,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:10:12,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:10:12,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:10:12,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:10:12,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:10:12,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:10:12" (1/1) ... [2019-11-20 09:10:12,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fb77e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:12, skipping insertion in model container [2019-11-20 09:10:12,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:10:12" (1/1) ... [2019-11-20 09:10:12,872 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:10:12,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:10:13,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:10:13,238 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:10:13,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:10:13,325 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:10:13,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13 WrapperNode [2019-11-20 09:10:13,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:10:13,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:10:13,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:10:13,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:10:13,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:10:13,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:10:13,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:10:13,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:10:13,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... [2019-11-20 09:10:13,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:10:13,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:10:13,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:10:13,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:10:13,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:10:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:10:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 09:10:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:10:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 09:10:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:10:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:10:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:10:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:10:14,042 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:10:14,042 INFO L285 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-20 09:10:14,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:14 BoogieIcfgContainer [2019-11-20 09:10:14,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:10:14,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:10:14,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:10:14,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:10:14,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:10:12" (1/3) ... [2019-11-20 09:10:14,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25dd634c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:10:14, skipping insertion in model container [2019-11-20 09:10:14,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:13" (2/3) ... [2019-11-20 09:10:14,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25dd634c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:10:14, skipping insertion in model container [2019-11-20 09:10:14,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:14" (3/3) ... [2019-11-20 09:10:14,052 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2019-11-20 09:10:14,061 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:10:14,066 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:10:14,073 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:10:14,093 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:10:14,093 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:10:14,093 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:10:14,093 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:10:14,094 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:10:14,094 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:10:14,094 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:10:14,094 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:10:14,109 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2019-11-20 09:10:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 09:10:14,113 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:14,113 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:14,114 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:14,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:14,118 INFO L82 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2019-11-20 09:10:14,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:14,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020559235] [2019-11-20 09:10:14,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:14,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020559235] [2019-11-20 09:10:14,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:14,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:10:14,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908884331] [2019-11-20 09:10:14,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:10:14,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:10:14,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:10:14,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:10:14,250 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2019-11-20 09:10:14,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:14,267 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2019-11-20 09:10:14,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:10:14,268 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-20 09:10:14,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:14,276 INFO L225 Difference]: With dead ends: 104 [2019-11-20 09:10:14,276 INFO L226 Difference]: Without dead ends: 50 [2019-11-20 09:10:14,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:10:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-20 09:10:14,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-20 09:10:14,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-20 09:10:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2019-11-20 09:10:14,313 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2019-11-20 09:10:14,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:14,313 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2019-11-20 09:10:14,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:10:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2019-11-20 09:10:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 09:10:14,314 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:14,314 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:14,314 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:14,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:14,315 INFO L82 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2019-11-20 09:10:14,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:14,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231808464] [2019-11-20 09:10:14,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:10:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:10:14,383 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:10:14,383 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 09:10:14,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:10:14 BoogieIcfgContainer [2019-11-20 09:10:14,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:10:14,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:10:14,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:10:14,409 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:10:14,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:14" (3/4) ... [2019-11-20 09:10:14,413 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:10:14,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:10:14,415 INFO L168 Benchmark]: Toolchain (without parser) took 1555.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -83.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:14,416 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:10:14,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:14,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:14,418 INFO L168 Benchmark]: Boogie Preprocessor took 70.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:10:14,418 INFO L168 Benchmark]: RCFGBuilder took 575.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:14,419 INFO L168 Benchmark]: TraceAbstraction took 361.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:14,419 INFO L168 Benchmark]: Witness Printer took 4.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:10:14,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 467.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 575.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 361.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 154]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 153. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L149] double x = -0.0; [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] double res = __ieee754_sqrt(x); [L153] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L154] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 09:10:16,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:10:16,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:10:16,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:10:16,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:10:16,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:10:16,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:10:16,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:10:16,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:10:16,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:10:16,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:10:16,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:10:16,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:10:16,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:10:16,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:10:16,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:10:16,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:10:16,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:10:16,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:10:16,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:10:16,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:10:16,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:10:16,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:10:16,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:10:16,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:10:16,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:10:16,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:10:16,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:10:16,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:10:16,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:10:16,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:10:16,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:10:16,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:10:16,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:10:16,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:10:16,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:10:16,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:10:16,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:10:16,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:10:16,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:10:16,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:10:16,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 09:10:16,311 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:10:16,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:10:16,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:10:16,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:10:16,323 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:10:16,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:10:16,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:10:16,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:10:16,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:10:16,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:10:16,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:10:16,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:10:16,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 09:10:16,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 09:10:16,325 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:10:16,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:10:16,326 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:10:16,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:10:16,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:10:16,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:10:16,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:10:16,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:10:16,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:10:16,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:10:16,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:10:16,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:10:16,329 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 09:10:16,329 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 09:10:16,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:10:16,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 09:10:16,330 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_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/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 -> 788527977e7ebd7aa0a832758f41b65d3cbd270a [2019-11-20 09:10:16,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:10:16,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:10:16,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:10:16,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:10:16,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:10:16,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-20 09:10:16,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data/5e3a55ac1/3bbe56cd4a2d4c91985b65b3127cd21f/FLAGf20c6e645 [2019-11-20 09:10:17,090 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:10:17,092 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-20 09:10:17,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data/5e3a55ac1/3bbe56cd4a2d4c91985b65b3127cd21f/FLAGf20c6e645 [2019-11-20 09:10:17,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/data/5e3a55ac1/3bbe56cd4a2d4c91985b65b3127cd21f [2019-11-20 09:10:17,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:10:17,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:10:17,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:10:17,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:10:17,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:10:17,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e73c87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17, skipping insertion in model container [2019-11-20 09:10:17,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,131 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:10:17,161 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:10:17,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:10:17,429 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:10:17,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:10:17,562 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:10:17,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17 WrapperNode [2019-11-20 09:10:17,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:10:17,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:10:17,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:10:17,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:10:17,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:10:17,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:10:17,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:10:17,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:10:17,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... [2019-11-20 09:10:17,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:10:17,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:10:17,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:10:17,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:10:17,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:10:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 09:10:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 09:10:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:10:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 09:10:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:10:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:10:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 09:10:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:10:20,821 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:10:20,821 INFO L285 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-20 09:10:20,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:20 BoogieIcfgContainer [2019-11-20 09:10:20,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:10:20,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:10:20,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:10:20,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:10:20,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:10:17" (1/3) ... [2019-11-20 09:10:20,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d6122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:10:20, skipping insertion in model container [2019-11-20 09:10:20,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:17" (2/3) ... [2019-11-20 09:10:20,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d6122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:10:20, skipping insertion in model container [2019-11-20 09:10:20,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:20" (3/3) ... [2019-11-20 09:10:20,835 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2019-11-20 09:10:20,843 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:10:20,852 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 09:10:20,862 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 09:10:20,884 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:10:20,884 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:10:20,884 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:10:20,884 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:10:20,885 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:10:20,885 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:10:20,885 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:10:20,885 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:10:20,896 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2019-11-20 09:10:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 09:10:20,901 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:20,902 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:20,902 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:20,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:20,907 INFO L82 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2019-11-20 09:10:20,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:10:20,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031708593] [2019-11-20 09:10:20,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 09:10:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:21,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 09:10:21,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:21,348 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:10:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:21,356 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031708593] [2019-11-20 09:10:21,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:21,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 09:10:21,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304613480] [2019-11-20 09:10:21,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:10:21,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:10:21,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:10:21,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:10:21,372 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2019-11-20 09:10:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:21,390 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2019-11-20 09:10:21,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:10:21,392 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-20 09:10:21,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:21,401 INFO L225 Difference]: With dead ends: 104 [2019-11-20 09:10:21,401 INFO L226 Difference]: Without dead ends: 50 [2019-11-20 09:10:21,404 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:10:21,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-20 09:10:21,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-20 09:10:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-20 09:10:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2019-11-20 09:10:21,438 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2019-11-20 09:10:21,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:21,439 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2019-11-20 09:10:21,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:10:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2019-11-20 09:10:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 09:10:21,440 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:21,440 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:21,655 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 09:10:21,656 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:21,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:21,656 INFO L82 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2019-11-20 09:10:21,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:10:21,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619358651] [2019-11-20 09:10:21,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 09:10:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:22,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 09:10:22,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:22,098 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:10:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:22,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619358651] [2019-11-20 09:10:22,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:22,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 09:10:22,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113182252] [2019-11-20 09:10:22,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 09:10:22,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:10:22,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 09:10:22,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:10:22,147 INFO L87 Difference]: Start difference. First operand 50 states and 70 transitions. Second operand 6 states. [2019-11-20 09:10:23,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:23,445 INFO L93 Difference]: Finished difference Result 59 states and 79 transitions. [2019-11-20 09:10:23,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:10:23,770 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-20 09:10:23,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:23,771 INFO L225 Difference]: With dead ends: 59 [2019-11-20 09:10:23,771 INFO L226 Difference]: Without dead ends: 17 [2019-11-20 09:10:23,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:10:23,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-20 09:10:23,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-20 09:10:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 09:10:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-11-20 09:10:23,777 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 9 [2019-11-20 09:10:23,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:23,778 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-11-20 09:10:23,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 09:10:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-11-20 09:10:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 09:10:23,779 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:23,779 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:23,995 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 09:10:23,996 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:23,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:23,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1929218748, now seen corresponding path program 1 times [2019-11-20 09:10:23,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:10:23,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565030576] [2019-11-20 09:10:23,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 09:10:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:24,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 09:10:24,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:24,129 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:10:24,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:10:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:24,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565030576] [2019-11-20 09:10:24,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:24,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-20 09:10:24,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016521202] [2019-11-20 09:10:24,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 09:10:24,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:10:24,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 09:10:24,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:10:24,169 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 7 states. [2019-11-20 09:10:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:26,003 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2019-11-20 09:10:26,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 09:10:26,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-11-20 09:10:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:26,005 INFO L225 Difference]: With dead ends: 29 [2019-11-20 09:10:26,005 INFO L226 Difference]: Without dead ends: 26 [2019-11-20 09:10:26,006 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-20 09:10:26,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-20 09:10:26,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2019-11-20 09:10:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 09:10:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-11-20 09:10:26,011 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 11 [2019-11-20 09:10:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:26,011 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-11-20 09:10:26,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 09:10:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-11-20 09:10:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 09:10:26,012 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:26,012 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:26,224 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 09:10:26,224 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:26,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:26,224 INFO L82 PathProgramCache]: Analyzing trace with hash 239121058, now seen corresponding path program 1 times [2019-11-20 09:10:26,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:10:26,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108348408] [2019-11-20 09:10:26,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/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 09:10:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:27,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 09:10:27,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:27,221 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2019-11-20 09:10:27,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 09:10:27,242 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58 [2019-11-20 09:10:27,243 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 09:10:27,276 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,300 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 0 case distinctions, treesize of input 43 treesize of output 23 [2019-11-20 09:10:27,302 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 09:10:27,332 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,341 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,342 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 25 treesize of output 13 [2019-11-20 09:10:27,342 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 09:10:27,362 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,362 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 09:10:27,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,392 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 09:10:27,392 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:77, output treesize:34 [2019-11-20 09:10:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:27,448 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:10:27,520 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,520 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 66 treesize of output 68 [2019-11-20 09:10:27,565 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,565 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 71 [2019-11-20 09:10:27,567 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 09:10:27,613 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,629 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 0 case distinctions, treesize of input 40 treesize of output 24 [2019-11-20 09:10:27,630 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 09:10:27,655 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,660 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,661 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 41 treesize of output 25 [2019-11-20 09:10:27,662 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 09:10:27,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,678 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 09:10:27,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 09:10:27,705 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 09:10:27,705 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:76, output treesize:33 [2019-11-20 09:10:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:27,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108348408] [2019-11-20 09:10:27,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:27,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 09:10:27,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715191203] [2019-11-20 09:10:27,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 09:10:27,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:10:27,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 09:10:27,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:10:27,730 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 6 states. [2019-11-20 09:10:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:27,769 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-20 09:10:27,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:10:27,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-11-20 09:10:27,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:27,772 INFO L225 Difference]: With dead ends: 26 [2019-11-20 09:10:27,773 INFO L226 Difference]: Without dead ends: 16 [2019-11-20 09:10:27,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 09:10:27,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-20 09:10:27,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-20 09:10:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 09:10:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-20 09:10:27,777 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 12 [2019-11-20 09:10:27,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:27,778 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-20 09:10:27,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 09:10:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-20 09:10:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 09:10:27,778 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:27,779 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:10:27,987 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 09:10:27,988 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:27,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:27,988 INFO L82 PathProgramCache]: Analyzing trace with hash 264903321, now seen corresponding path program 1 times [2019-11-20 09:10:27,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 09:10:27,989 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793351622] [2019-11-20 09:10:27,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/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 09:10:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:28,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 09:10:28,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:10:28,163 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:10:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:28,196 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 09:10:28,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:10:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:28,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793351622] [2019-11-20 09:10:28,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:28,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-11-20 09:10:28,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681475801] [2019-11-20 09:10:28,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 09:10:28,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 09:10:28,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 09:10:28,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-20 09:10:28,415 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 14 states. [2019-11-20 09:10:28,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:28,679 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-20 09:10:28,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 09:10:28,683 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-11-20 09:10:28,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:28,683 INFO L225 Difference]: With dead ends: 16 [2019-11-20 09:10:28,684 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:10:28,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2019-11-20 09:10:28,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:10:28,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:10:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:10:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:10:28,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-20 09:10:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:28,685 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:10:28,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 09:10:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:10:28,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:10:28,886 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 09:10:28,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:10:29,147 INFO L440 ceAbstractionStarter]: At program point L126(lines 19 127) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_2_3)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|))) (and (= ULTIMATE.start___ieee754_sqrt_~ix1~0 .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= .cse2 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|) .cse1) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 .cse2)))) (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0))) [2019-11-20 09:10:29,147 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2019-11-20 09:10:29,147 INFO L444 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2019-11-20 09:10:29,147 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2019-11-20 09:10:29,148 INFO L444 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2019-11-20 09:10:29,148 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2019-11-20 09:10:29,148 INFO L444 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2019-11-20 09:10:29,148 INFO L440 ceAbstractionStarter]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2019-11-20 09:10:29,148 INFO L444 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2019-11-20 09:10:29,148 INFO L444 ceAbstractionStarter]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2019-11-20 09:10:29,148 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:10:29,148 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:10:29,148 INFO L440 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2019-11-20 09:10:29,148 INFO L444 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L153-2(lines 153 156) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L440 ceAbstractionStarter]: At program point L120-2(lines 120 125) the Hoare annotation is: false [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-11-20 09:10:29,149 INFO L444 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2019-11-20 09:10:29,150 INFO L444 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2019-11-20 09:10:29,150 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-20 09:10:29,150 INFO L440 ceAbstractionStarter]: At program point L138(lines 129 139) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= ULTIMATE.start_main_~res~0 .cse0) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_2_3)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|))) (and (= ULTIMATE.start___ieee754_sqrt_~ix1~0 .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= .cse2 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|) .cse1) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 .cse2)))) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)))) |ULTIMATE.start_main_#t~short11| (= ULTIMATE.start___signbit_double_~x .cse0))) [2019-11-20 09:10:29,150 INFO L444 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2019-11-20 09:10:29,150 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:10:29,150 INFO L444 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-20 09:10:29,150 INFO L444 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-20 09:10:29,150 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2019-11-20 09:10:29,151 INFO L440 ceAbstractionStarter]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2019-11-20 09:10:29,151 INFO L444 ceAbstractionStarter]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2019-11-20 09:10:29,151 INFO L444 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-11-20 09:10:29,151 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-11-20 09:10:29,151 INFO L440 ceAbstractionStarter]: At program point L132-2(lines 132 136) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ULTIMATE.start___ieee754_sqrt_~x .cse0) (= ULTIMATE.start_main_~res~0 .cse0) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_2_3)) (.cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|))) (and (= ULTIMATE.start___ieee754_sqrt_~ix1~0 .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (fp.neg (_ +zero 11 53))) (= .cse2 ((_ extract 63 32) v_skolemized_v_prenex_2_3)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_6|) .cse1) (= ULTIMATE.start___ieee754_sqrt_~ix0~0 .cse2)))) (= |ULTIMATE.start___ieee754_sqrt_#res| .cse0) |ULTIMATE.start_main_#t~short11| (= ULTIMATE.start___signbit_double_~x .cse0))) [2019-11-20 09:10:29,151 INFO L444 ceAbstractionStarter]: For program point L132-3(lines 132 136) no Hoare annotation was computed. [2019-11-20 09:10:29,151 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:10:29,151 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2019-11-20 09:10:29,152 INFO L444 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2019-11-20 09:10:29,152 INFO L444 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2019-11-20 09:10:29,152 INFO L440 ceAbstractionStarter]: At program point L25-2(lines 25 30) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.neg (_ +zero 11 53))) (= (bvadd ULTIMATE.start___ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2019-11-20 09:10:29,152 INFO L444 ceAbstractionStarter]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2019-11-20 09:10:29,152 INFO L444 ceAbstractionStarter]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2019-11-20 09:10:29,152 INFO L440 ceAbstractionStarter]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2019-11-20 09:10:29,152 INFO L444 ceAbstractionStarter]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2019-11-20 09:10:29,152 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2019-11-20 09:10:29,152 INFO L444 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2019-11-20 09:10:29,152 INFO L444 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2019-11-20 09:10:29,153 INFO L447 ceAbstractionStarter]: At program point L158(lines 141 159) the Hoare annotation is: true [2019-11-20 09:10:29,153 INFO L444 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-11-20 09:10:29,153 INFO L444 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2019-11-20 09:10:29,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,178 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:10:29 BoogieIcfgContainer [2019-11-20 09:10:29,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:10:29,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:10:29,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:10:29,186 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:10:29,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:20" (3/4) ... [2019-11-20 09:10:29,190 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:10:29,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 09:10:29,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 09:10:29,203 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:10:29,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-11-20 09:10:29,230 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-11-20 09:10:29,230 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_q#valueAsBitvector_7[63:32])) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2019-11-20 09:10:29,277 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6ef43f1a-9fc6-4715-8e35-08cab1944d3c/bin/uautomizer/witness.graphml [2019-11-20 09:10:29,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:10:29,278 INFO L168 Benchmark]: Toolchain (without parser) took 12166.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 959.1 MB in the beginning and 874.3 MB in the end (delta: 84.8 MB). Peak memory consumption was 252.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:29,279 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:10:29,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -198.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:29,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:10:29,280 INFO L168 Benchmark]: Boogie Preprocessor took 37.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:29,280 INFO L168 Benchmark]: RCFGBuilder took 3171.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:29,281 INFO L168 Benchmark]: TraceAbstraction took 8362.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.9 MB in the end (delta: 230.7 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:29,281 INFO L168 Benchmark]: Witness Printer took 91.25 ms. Allocated memory is still 1.2 GB. Free memory was 880.9 MB in the beginning and 874.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:29,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -198.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3171.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8362.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.9 MB in the end (delta: 230.7 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. * Witness Printer took 91.25 ms. Allocated memory is still 1.2 GB. Free memory was 880.9 MB in the beginning and 874.3 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_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] * 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: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant [2019-11-20 09:10:29,289 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,291 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,292 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-11-20 09:10:29,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: (((((((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_q#valueAsBitvector_7[63:32])) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 132]: Loop Invariant [2019-11-20 09:10:29,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,298 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,301 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] Derived loop invariant: (((((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2019-11-20 09:10:29,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,302 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,303 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] [2019-11-20 09:10:29,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_3,QUANTIFIED] [2019-11-20 09:10:29,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_6,QUANTIFIED] Derived loop invariant: ((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_skolemized_v_prenex_2_3 : bv64, v_skolemized_q#valueAsBitvector_6 : bv64 :: (((ix1 == v_skolemized_v_prenex_2_3[31:0] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && v_skolemized_q#valueAsBitvector_6[63:32] == v_skolemized_v_prenex_2_3[63:32]) && v_skolemized_q#valueAsBitvector_6[31:0] == v_skolemized_v_prenex_2_3[31:0]) && ix0 == v_skolemized_q#valueAsBitvector_6[63:32])) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 117 SDtfs, 169 SDslu, 74 SDs, 0 SdLazy, 65 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 187 HoareAnnotationTreeSize, 10 FomulaSimplifications, 64 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 100 ConstructedInterpolants, 18 QuantifiedInterpolants, 7290 SizeOfPredicates, 28 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 41 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! Received shutdown request...