./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/drift_tenth.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c -s /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15f6de5d900b1c6bf3c8f60c8cfdb35df3f7d854 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c -s /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15f6de5d900b1c6bf3c8f60c8cfdb35df3f7d854 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:15:17,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:15:17,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:15:17,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:15:17,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:15:17,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:15:17,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:15:17,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:15:17,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:15:17,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:15:17,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:15:17,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:15:17,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:15:17,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:15:17,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:15:17,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:15:17,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:15:17,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:15:17,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:15:17,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:15:17,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:15:17,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:15:17,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:15:17,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:15:17,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:15:17,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:15:17,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:15:17,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:15:17,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:15:17,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:15:17,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:15:17,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:15:17,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:15:17,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:15:17,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:15:17,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:15:17,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:15:17,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:15:17,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:15:17,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:15:17,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:15:17,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:15:17,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:15:17,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:15:17,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:15:17,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:15:17,879 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:15:17,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:15:17,880 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:15:17,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:15:17,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:15:17,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:15:17,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:15:17,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:15:17,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:15:17,884 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:15:17,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:15:17,885 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:15:17,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:15:17,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:15:17,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:15:17,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:15:17,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:15:17,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:15:17,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:15:17,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:15:17,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:15:17,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:15:17,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:15:17,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:15:17,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:15:17,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15f6de5d900b1c6bf3c8f60c8cfdb35df3f7d854 [2020-11-29 18:15:18,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:15:18,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:15:18,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:15:18,361 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:15:18,362 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:15:18,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/../../sv-benchmarks/c/float-benchs/drift_tenth.c [2020-11-29 18:15:18,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data/738a9b7b7/327db2f9fe514593ae56248752138036/FLAG21ca51e0c [2020-11-29 18:15:19,128 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:15:19,129 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/sv-benchmarks/c/float-benchs/drift_tenth.c [2020-11-29 18:15:19,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data/738a9b7b7/327db2f9fe514593ae56248752138036/FLAG21ca51e0c [2020-11-29 18:15:19,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data/738a9b7b7/327db2f9fe514593ae56248752138036 [2020-11-29 18:15:19,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:15:19,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:15:19,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:15:19,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:15:19,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:15:19,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:19,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245f211b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19, skipping insertion in model container [2020-11-29 18:15:19,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:19,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:15:19,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:15:19,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:15:19,860 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:15:19,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:15:19,912 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:15:19,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19 WrapperNode [2020-11-29 18:15:19,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:15:19,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:15:19,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:15:19,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:15:19,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:19,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:19,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:15:19,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:15:19,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:15:19,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:15:19,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:19,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:19,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:19,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:20,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:20,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:20,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... [2020-11-29 18:15:20,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:15:20,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:15:20,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:15:20,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:15:20,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/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 [2020-11-29 18:15:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:15:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:15:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:15:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:15:20,565 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:15:20,565 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:15:20,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:20 BoogieIcfgContainer [2020-11-29 18:15:20,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:15:20,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:15:20,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:15:20,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:15:20,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:15:19" (1/3) ... [2020-11-29 18:15:20,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f51d785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:15:20, skipping insertion in model container [2020-11-29 18:15:20,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:19" (2/3) ... [2020-11-29 18:15:20,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f51d785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:15:20, skipping insertion in model container [2020-11-29 18:15:20,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:20" (3/3) ... [2020-11-29 18:15:20,596 INFO L111 eAbstractionObserver]: Analyzing ICFG drift_tenth.c [2020-11-29 18:15:20,612 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:15:20,618 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:15:20,636 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:15:20,689 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:15:20,691 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:15:20,692 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:15:20,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:15:20,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:15:20,692 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:15:20,693 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:15:20,693 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:15:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-11-29 18:15:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:15:20,722 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:20,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:15:20,724 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:20,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:20,735 INFO L82 PathProgramCache]: Analyzing trace with hash 889605037, now seen corresponding path program 1 times [2020-11-29 18:15:20,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:20,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214100469] [2020-11-29 18:15:20,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:20,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214100469] [2020-11-29 18:15:20,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:15:20,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:15:20,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593751682] [2020-11-29 18:15:20,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:15:20,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:20,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:15:20,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:15:20,999 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2020-11-29 18:15:21,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:21,068 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-11-29 18:15:21,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:15:21,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-29 18:15:21,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:21,083 INFO L225 Difference]: With dead ends: 23 [2020-11-29 18:15:21,084 INFO L226 Difference]: Without dead ends: 10 [2020-11-29 18:15:21,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:15:21,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-29 18:15:21,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2020-11-29 18:15:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-29 18:15:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-29 18:15:21,140 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2020-11-29 18:15:21,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:21,141 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-11-29 18:15:21,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:15:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-29 18:15:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 18:15:21,142 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:21,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:21,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:15:21,144 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:21,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:21,146 INFO L82 PathProgramCache]: Analyzing trace with hash 265180975, now seen corresponding path program 1 times [2020-11-29 18:15:21,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:21,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587925961] [2020-11-29 18:15:21,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:21,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:21,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587925961] [2020-11-29 18:15:21,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522927779] [2020-11-29 18:15:21,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:21,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:15:21,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:21,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:21,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-11-29 18:15:21,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002007919] [2020-11-29 18:15:21,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:15:21,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:21,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:15:21,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:15:21,528 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2020-11-29 18:15:21,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:21,569 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-11-29 18:15:21,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:15:21,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-11-29 18:15:21,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:21,571 INFO L225 Difference]: With dead ends: 16 [2020-11-29 18:15:21,572 INFO L226 Difference]: Without dead ends: 12 [2020-11-29 18:15:21,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:15:21,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-29 18:15:21,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-11-29 18:15:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-29 18:15:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-29 18:15:21,577 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2020-11-29 18:15:21,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:21,581 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2020-11-29 18:15:21,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:15:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-29 18:15:21,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 18:15:21,585 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:21,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:21,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-29 18:15:21,787 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:21,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:21,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1489078833, now seen corresponding path program 2 times [2020-11-29 18:15:21,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:21,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188875470] [2020-11-29 18:15:21,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:21,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188875470] [2020-11-29 18:15:21,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147315900] [2020-11-29 18:15:21,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:21,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:15:21,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:21,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:15:21,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:22,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:22,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-11-29 18:15:22,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131563254] [2020-11-29 18:15:22,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 18:15:22,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:22,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 18:15:22,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:15:22,058 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2020-11-29 18:15:22,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:22,143 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2020-11-29 18:15:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:15:22,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-11-29 18:15:22,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:22,145 INFO L225 Difference]: With dead ends: 18 [2020-11-29 18:15:22,145 INFO L226 Difference]: Without dead ends: 14 [2020-11-29 18:15:22,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:15:22,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-29 18:15:22,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2020-11-29 18:15:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-29 18:15:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-11-29 18:15:22,151 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2020-11-29 18:15:22,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:22,152 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-11-29 18:15:22,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 18:15:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-11-29 18:15:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:15:22,153 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:22,161 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:22,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:22,382 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:22,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:22,384 INFO L82 PathProgramCache]: Analyzing trace with hash 833881267, now seen corresponding path program 3 times [2020-11-29 18:15:22,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:22,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046788115] [2020-11-29 18:15:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:22,464 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:22,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046788115] [2020-11-29 18:15:22,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685155790] [2020-11-29 18:15:22,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:22,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-11-29 18:15:22,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:22,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:15:22,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:22,645 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:22,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:22,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-11-29 18:15:22,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318525472] [2020-11-29 18:15:22,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:15:22,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:22,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:15:22,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:15:22,649 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2020-11-29 18:15:22,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:22,716 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2020-11-29 18:15:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:15:22,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-11-29 18:15:22,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:22,720 INFO L225 Difference]: With dead ends: 20 [2020-11-29 18:15:22,721 INFO L226 Difference]: Without dead ends: 16 [2020-11-29 18:15:22,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:15:22,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-29 18:15:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-11-29 18:15:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-29 18:15:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-11-29 18:15:22,726 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2020-11-29 18:15:22,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:22,727 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-11-29 18:15:22,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:15:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-11-29 18:15:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 18:15:22,728 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:22,728 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:22,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:22,938 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:22,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:22,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1745754443, now seen corresponding path program 4 times [2020-11-29 18:15:22,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:22,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559527317] [2020-11-29 18:15:22,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:23,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559527317] [2020-11-29 18:15:23,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062174040] [2020-11-29 18:15:23,091 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:23,137 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-29 18:15:23,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:23,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:15:23,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:23,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:23,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-11-29 18:15:23,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189017615] [2020-11-29 18:15:23,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 18:15:23,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:23,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 18:15:23,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:15:23,212 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2020-11-29 18:15:23,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:23,272 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-11-29 18:15:23,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:15:23,273 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-11-29 18:15:23,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:23,274 INFO L225 Difference]: With dead ends: 22 [2020-11-29 18:15:23,274 INFO L226 Difference]: Without dead ends: 18 [2020-11-29 18:15:23,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:15:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-29 18:15:23,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2020-11-29 18:15:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-29 18:15:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-11-29 18:15:23,284 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2020-11-29 18:15:23,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:23,285 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-11-29 18:15:23,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 18:15:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-11-29 18:15:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:15:23,286 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:23,287 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:23,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:23,494 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:23,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:23,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1715425335, now seen corresponding path program 5 times [2020-11-29 18:15:23,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:23,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791621713] [2020-11-29 18:15:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:23,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791621713] [2020-11-29 18:15:23,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213599717] [2020-11-29 18:15:23,685 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:23,748 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2020-11-29 18:15:23,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:23,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:15:23,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:23,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:23,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2020-11-29 18:15:23,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817713133] [2020-11-29 18:15:23,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 18:15:23,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:23,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 18:15:23,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:15:23,826 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 9 states. [2020-11-29 18:15:23,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:23,894 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2020-11-29 18:15:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:15:23,895 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-11-29 18:15:23,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:23,896 INFO L225 Difference]: With dead ends: 24 [2020-11-29 18:15:23,897 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 18:15:23,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:15:23,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 18:15:23,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2020-11-29 18:15:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 18:15:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-29 18:15:23,902 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2020-11-29 18:15:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:23,902 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-29 18:15:23,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 18:15:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-29 18:15:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 18:15:23,904 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:23,904 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:24,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 18:15:24,105 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:24,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:24,105 INFO L82 PathProgramCache]: Analyzing trace with hash -690462407, now seen corresponding path program 6 times [2020-11-29 18:15:24,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:24,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211121929] [2020-11-29 18:15:24,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:24,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211121929] [2020-11-29 18:15:24,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092969166] [2020-11-29 18:15:24,218 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:24,273 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2020-11-29 18:15:24,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:24,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 18:15:24,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:24,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:24,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-11-29 18:15:24,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430740429] [2020-11-29 18:15:24,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 18:15:24,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:24,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 18:15:24,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:15:24,332 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2020-11-29 18:15:24,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:24,382 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-11-29 18:15:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 18:15:24,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-11-29 18:15:24,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:24,384 INFO L225 Difference]: With dead ends: 26 [2020-11-29 18:15:24,384 INFO L226 Difference]: Without dead ends: 22 [2020-11-29 18:15:24,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:15:24,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-29 18:15:24,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2020-11-29 18:15:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-29 18:15:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-11-29 18:15:24,390 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2020-11-29 18:15:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:24,390 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-11-29 18:15:24,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 18:15:24,391 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-11-29 18:15:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:15:24,391 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:24,392 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:24,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:24,593 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:24,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:24,593 INFO L82 PathProgramCache]: Analyzing trace with hash -2056177221, now seen corresponding path program 7 times [2020-11-29 18:15:24,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:24,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496142155] [2020-11-29 18:15:24,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:24,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496142155] [2020-11-29 18:15:24,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37762040] [2020-11-29 18:15:24,757 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:24,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 18:15:24,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:24,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:24,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-11-29 18:15:24,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285178033] [2020-11-29 18:15:24,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-29 18:15:24,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:24,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 18:15:24,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:15:24,883 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2020-11-29 18:15:24,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:24,961 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2020-11-29 18:15:24,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 18:15:24,965 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2020-11-29 18:15:24,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:24,966 INFO L225 Difference]: With dead ends: 28 [2020-11-29 18:15:24,966 INFO L226 Difference]: Without dead ends: 24 [2020-11-29 18:15:24,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:15:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-29 18:15:24,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2020-11-29 18:15:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-29 18:15:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2020-11-29 18:15:24,974 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2020-11-29 18:15:24,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:24,974 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2020-11-29 18:15:24,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-29 18:15:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2020-11-29 18:15:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:15:24,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:24,977 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:25,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:25,198 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:25,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:25,199 INFO L82 PathProgramCache]: Analyzing trace with hash -248120899, now seen corresponding path program 8 times [2020-11-29 18:15:25,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:25,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784047426] [2020-11-29 18:15:25,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:25,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784047426] [2020-11-29 18:15:25,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293390635] [2020-11-29 18:15:25,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:25,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:15:25,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:25,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 18:15:25,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:25,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:25,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2020-11-29 18:15:25,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095605029] [2020-11-29 18:15:25,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-29 18:15:25,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:25,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-29 18:15:25,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-11-29 18:15:25,477 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 12 states. [2020-11-29 18:15:25,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:25,554 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-11-29 18:15:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 18:15:25,555 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-11-29 18:15:25,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:25,556 INFO L225 Difference]: With dead ends: 30 [2020-11-29 18:15:25,557 INFO L226 Difference]: Without dead ends: 26 [2020-11-29 18:15:25,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-11-29 18:15:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-11-29 18:15:25,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2020-11-29 18:15:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-29 18:15:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2020-11-29 18:15:25,563 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2020-11-29 18:15:25,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:25,563 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2020-11-29 18:15:25,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-29 18:15:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2020-11-29 18:15:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:15:25,565 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:25,565 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:25,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-29 18:15:25,790 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:25,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:25,791 INFO L82 PathProgramCache]: Analyzing trace with hash 2127216959, now seen corresponding path program 9 times [2020-11-29 18:15:25,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:25,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425908841] [2020-11-29 18:15:25,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:25,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425908841] [2020-11-29 18:15:25,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716428387] [2020-11-29 18:15:25,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:26,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2020-11-29 18:15:26,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:26,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 18:15:26,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:26,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:26,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-11-29 18:15:26,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540739048] [2020-11-29 18:15:26,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-29 18:15:26,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:15:26,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-29 18:15:26,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-11-29 18:15:26,127 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 13 states. [2020-11-29 18:15:26,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:26,216 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2020-11-29 18:15:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 18:15:26,218 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2020-11-29 18:15:26,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:26,219 INFO L225 Difference]: With dead ends: 31 [2020-11-29 18:15:26,219 INFO L226 Difference]: Without dead ends: 27 [2020-11-29 18:15:26,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-11-29 18:15:26,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-29 18:15:26,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-29 18:15:26,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-29 18:15:26,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-11-29 18:15:26,224 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2020-11-29 18:15:26,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:26,224 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-11-29 18:15:26,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-29 18:15:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-11-29 18:15:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:15:26,226 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:26,226 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:26,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:15:26,426 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:26,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:26,427 INFO L82 PathProgramCache]: Analyzing trace with hash -95702975, now seen corresponding path program 10 times [2020-11-29 18:15:26,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:15:26,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303934163] [2020-11-29 18:15:26,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:15:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:15:26,465 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:15:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:15:26,493 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:15:26,517 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:15:26,517 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:15:26,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 18:15:26,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:15:26 BoogieIcfgContainer [2020-11-29 18:15:26,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:15:26,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:15:26,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:15:26,567 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:15:26,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:20" (3/4) ... [2020-11-29 18:15:26,571 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:15:26,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:15:26,575 INFO L168 Benchmark]: Toolchain (without parser) took 7077.62 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 88.1 MB in the beginning and 49.2 MB in the end (delta: 38.9 MB). Peak memory consumption was 67.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:15:26,576 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 113.2 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:15:26,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.97 ms. Allocated memory is still 113.2 MB. Free memory was 87.9 MB in the beginning and 90.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:15:26,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.11 ms. Allocated memory is still 113.2 MB. Free memory was 90.4 MB in the beginning and 88.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:15:26,579 INFO L168 Benchmark]: Boogie Preprocessor took 49.57 ms. Allocated memory is still 113.2 MB. Free memory was 88.9 MB in the beginning and 87.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:15:26,585 INFO L168 Benchmark]: RCFGBuilder took 540.81 ms. Allocated memory is still 113.2 MB. Free memory was 87.8 MB in the beginning and 77.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:15:26,586 INFO L168 Benchmark]: TraceAbstraction took 5995.94 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 76.9 MB in the beginning and 49.2 MB in the end (delta: 27.7 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:15:26,586 INFO L168 Benchmark]: Witness Printer took 4.79 ms. Allocated memory is still 142.6 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:15:26,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 113.2 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 414.97 ms. Allocated memory is still 113.2 MB. Free memory was 87.9 MB in the beginning and 90.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.11 ms. Allocated memory is still 113.2 MB. Free memory was 90.4 MB in the beginning and 88.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.57 ms. Allocated memory is still 113.2 MB. Free memory was 88.9 MB in the beginning and 87.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 540.81 ms. Allocated memory is still 113.2 MB. Free memory was 87.8 MB in the beginning and 77.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5995.94 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 76.9 MB in the beginning and 49.2 MB in the end (delta: 27.7 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.79 ms. Allocated memory is still 142.6 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticFLOAToperation at line 15. Possible FailurePath: [L10] float tick = 1.f / 10.f; [L11] float time = 0.f; [L12] int i; [L14] i = 0 [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND TRUE i < 10 [L15] time += tick [L14] i++ [L14] COND FALSE !(i < 10) [L6] COND TRUE !(cond) [L3] __assert_fail("0", "drift_tenth.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 11, TraceHistogramMax: 10, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 55 SDslu, 208 SDs, 0 SdLazy, 184 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=10, 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, 10 MinimizatonAttempts, 9 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 320 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 11465 SizeOfPredicates, 9 NumberOfNonLiveVariables, 493 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 0/570 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-29 18:15:29,873 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-29 18:15:29,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:15:29,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:15:29,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:15:29,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:15:29,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:15:29,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:15:29,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:15:29,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:15:29,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:15:29,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:15:29,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:15:29,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 18:15:30,061 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:15:30,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:15:30,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:15:30,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:15:30,067 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:15:30,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:15:30,067 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:15:30,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:15:30,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:15:30,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:15:30,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:15:30,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:15:30,070 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:15:30,071 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:15:30,071 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:15:30,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:15:30,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:15:30,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:15:30,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:15:30,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:15:30,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:15:30,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:15:30,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:15:30,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:15:30,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:15:30,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:15:30,075 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:15:30,075 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:15:30,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:15:30,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:15:30,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:15:30,076 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15f6de5d900b1c6bf3c8f60c8cfdb35df3f7d854 [2020-11-29 18:15:30,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:15:30,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:15:30,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:15:30,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:15:30,592 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:15:30,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/../../sv-benchmarks/c/float-benchs/drift_tenth.c [2020-11-29 18:15:30,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data/7eb72c06a/ba0f5a2bfcc24607886d270e46b2045a/FLAGcba15d52f [2020-11-29 18:15:31,481 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:15:31,482 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/sv-benchmarks/c/float-benchs/drift_tenth.c [2020-11-29 18:15:31,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data/7eb72c06a/ba0f5a2bfcc24607886d270e46b2045a/FLAGcba15d52f [2020-11-29 18:15:31,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/data/7eb72c06a/ba0f5a2bfcc24607886d270e46b2045a [2020-11-29 18:15:31,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:15:31,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:15:31,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:15:31,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:15:31,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:15:31,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:15:31" (1/1) ... [2020-11-29 18:15:31,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c12dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:31, skipping insertion in model container [2020-11-29 18:15:31,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:15:31" (1/1) ... [2020-11-29 18:15:31,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:15:31,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:15:32,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:15:32,047 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:15:32,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:15:32,091 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:15:32,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32 WrapperNode [2020-11-29 18:15:32,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:15:32,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:15:32,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:15:32,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:15:32,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:15:32,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:15:32,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:15:32,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:15:32,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... [2020-11-29 18:15:32,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:15:32,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:15:32,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:15:32,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:15:32,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/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 [2020-11-29 18:15:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:15:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:15:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 18:15:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:15:32,892 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:15:32,892 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:15:32,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:32 BoogieIcfgContainer [2020-11-29 18:15:32,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:15:32,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:15:32,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:15:32,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:15:32,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:15:31" (1/3) ... [2020-11-29 18:15:32,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d499252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:15:32, skipping insertion in model container [2020-11-29 18:15:32,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:15:32" (2/3) ... [2020-11-29 18:15:32,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d499252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:15:32, skipping insertion in model container [2020-11-29 18:15:32,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:32" (3/3) ... [2020-11-29 18:15:32,906 INFO L111 eAbstractionObserver]: Analyzing ICFG drift_tenth.c [2020-11-29 18:15:32,920 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:15:32,925 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:15:32,940 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:15:32,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:15:32,970 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:15:32,971 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:15:32,971 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:15:32,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:15:32,971 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:15:32,972 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:15:32,972 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:15:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-11-29 18:15:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 18:15:32,993 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:32,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:15:32,994 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:33,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:33,001 INFO L82 PathProgramCache]: Analyzing trace with hash 889605037, now seen corresponding path program 1 times [2020-11-29 18:15:33,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:15:33,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418212521] [2020-11-29 18:15:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/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 [2020-11-29 18:15:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:33,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:15:33,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:33,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:15:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:33,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418212521] [2020-11-29 18:15:33,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:15:33,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 18:15:33,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689563239] [2020-11-29 18:15:33,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:15:33,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:15:33,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:15:33,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:15:33,352 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 4 states. [2020-11-29 18:15:33,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:33,604 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2020-11-29 18:15:33,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:15:33,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-29 18:15:33,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:33,619 INFO L225 Difference]: With dead ends: 24 [2020-11-29 18:15:33,619 INFO L226 Difference]: Without dead ends: 11 [2020-11-29 18:15:33,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:15:33,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-29 18:15:33,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-29 18:15:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-29 18:15:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-29 18:15:33,663 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 6 [2020-11-29 18:15:33,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:33,664 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2020-11-29 18:15:33,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:15:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-29 18:15:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 18:15:33,665 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:33,665 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:33,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 18:15:33,888 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:33,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:33,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1489078833, now seen corresponding path program 1 times [2020-11-29 18:15:33,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:15:33,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569287962] [2020-11-29 18:15:33,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/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 [2020-11-29 18:15:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:15:34,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 18:15:34,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:34,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:15:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:34,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569287962] [2020-11-29 18:15:34,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:15:34,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-29 18:15:34,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757711713] [2020-11-29 18:15:34,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 18:15:34,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:15:34,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 18:15:34,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:15:34,281 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 8 states. [2020-11-29 18:15:34,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:15:34,978 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2020-11-29 18:15:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:15:34,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-11-29 18:15:34,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:15:34,983 INFO L225 Difference]: With dead ends: 23 [2020-11-29 18:15:34,983 INFO L226 Difference]: Without dead ends: 19 [2020-11-29 18:15:34,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:15:34,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-11-29 18:15:34,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-29 18:15:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 18:15:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-29 18:15:34,991 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10 [2020-11-29 18:15:34,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:15:34,992 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-29 18:15:34,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 18:15:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-29 18:15:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 18:15:34,993 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:15:34,994 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1] [2020-11-29 18:15:35,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 18:15:35,214 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:15:35,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:15:35,215 INFO L82 PathProgramCache]: Analyzing trace with hash -690462407, now seen corresponding path program 2 times [2020-11-29 18:15:35,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:15:35,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275235875] [2020-11-29 18:15:35,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/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 [2020-11-29 18:15:35,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:15:35,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:15:35,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:15:35,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:15:37,309 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-29 18:15:40,117 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 18 [2020-11-29 18:15:42,148 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 19 [2020-11-29 18:15:47,428 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 18 [2020-11-29 18:15:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:15:47,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:15:50,799 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-11-29 18:15:59,942 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 18:16:24,521 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 11 [2020-11-29 18:16:52,294 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 12 [2020-11-29 18:16:55,981 WARN L860 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode c_ULTIMATE.start_main_~time~0 c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2020-11-29 18:17:33,547 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-29 18:17:35,588 WARN L838 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) ((_ to_fp 8 24) c_currentRoundingMode 10.0)))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (_ +zero 8 24) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from false [2020-11-29 18:17:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 19 times theorem prover too weak. 0 trivial. 11 not checked. [2020-11-29 18:17:37,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275235875] [2020-11-29 18:17:37,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:17:37,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2020-11-29 18:17:37,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989219564] [2020-11-29 18:17:37,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-29 18:17:37,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:17:37,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-29 18:17:37,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=205, Unknown=25, NotChecked=32, Total=342 [2020-11-29 18:17:37,099 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 19 states. [2020-11-29 18:18:29,886 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~tick~0 (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) ((_ to_fp 8 24) c_currentRoundingMode 10.0))) (= c_ULTIMATE.start_main_~time~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (_ +zero 8 24) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode c_ULTIMATE.start_main_~time~0 c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0) c_ULTIMATE.start_main_~tick~0)) ((_ to_fp 11 53) c_currentRoundingMode 1.0)))) is different from true [2020-11-29 18:18:31,944 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.add c_currentRoundingMode c_ULTIMATE.start_main_~time~0 c_ULTIMATE.start_main_~tick~0))) (let ((.cse5 (fp.add c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~tick~0))) (let ((.cse0 (fp.add c_currentRoundingMode .cse5 c_ULTIMATE.start_main_~tick~0))) (let ((.cse3 (fp.add c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~tick~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse0) .cse1)) (= c_currentRoundingMode roundNearestTiesToEven) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse2) .cse1)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse3) .cse1)) (= c_ULTIMATE.start_main_~time~0 (let ((.cse4 (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) ((_ to_fp 8 24) c_currentRoundingMode 10.0)))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (_ +zero 8 24) .cse4) .cse4) .cse4) .cse4) .cse4) .cse4))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~tick~0)) .cse1)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse5) .cse1))))))) is different from false [2020-11-29 18:18:34,013 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.add c_currentRoundingMode c_ULTIMATE.start_main_~time~0 c_ULTIMATE.start_main_~tick~0))) (let ((.cse5 (fp.add c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~tick~0))) (let ((.cse0 (fp.add c_currentRoundingMode .cse5 c_ULTIMATE.start_main_~tick~0))) (let ((.cse3 (fp.add c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~tick~0)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse0) .cse1)) (= c_currentRoundingMode roundNearestTiesToEven) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse2) .cse1)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse3) .cse1)) (= c_ULTIMATE.start_main_~time~0 (let ((.cse4 (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) ((_ to_fp 8 24) c_currentRoundingMode 10.0)))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (_ +zero 8 24) .cse4) .cse4) .cse4) .cse4) .cse4) .cse4))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~tick~0)) .cse1)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse5) .cse1))))))) is different from true [2020-11-29 18:18:36,751 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.add c_currentRoundingMode c_ULTIMATE.start_main_~time~0 c_ULTIMATE.start_main_~tick~0))) (let ((.cse3 (fp.add c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~tick~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~tick~0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode c_ULTIMATE.start_main_~time~0) .cse0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse1) .cse0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse2) .cse0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 c_ULTIMATE.start_main_~tick~0)) .cse0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse3) .cse0)))))) is different from true [2020-11-29 18:18:55,549 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 23 [2020-11-29 18:19:24,591 WARN L193 SmtUtils]: Spent 15.88 s on a formula simplification that was a NOOP. DAG size: 21 [2020-11-29 18:19:34,118 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-11-29 18:19:53,667 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.add c_currentRoundingMode c_ULTIMATE.start_main_~time~0 c_ULTIMATE.start_main_~tick~0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode c_ULTIMATE.start_main_~time~0) .cse0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse1) .cse0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 c_ULTIMATE.start_main_~tick~0)) .cse0)))) is different from true [2020-11-29 18:20:05,160 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.add c_currentRoundingMode c_ULTIMATE.start_main_~time~0 c_ULTIMATE.start_main_~tick~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~tick~0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode c_ULTIMATE.start_main_~time~0) .cse0)) (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse1 c_ULTIMATE.start_main_~tick~0)) .cse0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse2) .cse0)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse1) .cse0))))) is different from false [2020-11-29 18:20:20,141 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 13 [2020-11-29 18:20:47,505 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 18 [2020-11-29 18:20:57,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:20:57,548 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2020-11-29 18:20:57,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-29 18:20:57,549 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 18 [2020-11-29 18:20:57,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:20:57,551 INFO L225 Difference]: With dead ends: 41 [2020-11-29 18:20:57,551 INFO L226 Difference]: Without dead ends: 31 [2020-11-29 18:20:57,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 16 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 242.8s TimeCoverageRelationStatistics Valid=134, Invalid=348, Unknown=48, NotChecked=282, Total=812 [2020-11-29 18:20:57,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-29 18:20:57,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-29 18:20:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-29 18:20:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2020-11-29 18:20:57,561 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 18 [2020-11-29 18:20:57,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:20:57,562 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2020-11-29 18:20:57,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-29 18:20:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2020-11-29 18:20:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:20:57,563 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:20:57,564 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 1, 1, 1, 1, 1, 1] [2020-11-29 18:20:57,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 18:20:57,766 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:20:57,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:20:57,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2094695621, now seen corresponding path program 3 times [2020-11-29 18:20:57,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:20:57,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143580471] [2020-11-29 18:20:57,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/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 [2020-11-29 18:20:58,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2020-11-29 18:20:58,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:20:58,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:20:58,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:20:58,434 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:20:58,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:20:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 100 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:20:59,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143580471] [2020-11-29 18:20:59,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:20:59,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2020-11-29 18:20:59,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118999989] [2020-11-29 18:20:59,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-29 18:20:59,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:20:59,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-29 18:20:59,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-11-29 18:20:59,232 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 24 states. [2020-11-29 18:21:00,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:21:00,648 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2020-11-29 18:21:00,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 18:21:00,649 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 30 [2020-11-29 18:21:00,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:21:00,650 INFO L225 Difference]: With dead ends: 31 [2020-11-29 18:21:00,650 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:21:00,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-11-29 18:21:00,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:21:00,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:21:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:21:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:21:00,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2020-11-29 18:21:00,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:21:00,652 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:21:00,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-29 18:21:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:21:00,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:21:00,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 18:21:00,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:29:56,059 WARN L193 SmtUtils]: Spent 8.92 m on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2020-11-29 18:29:56,065 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:29:56,065 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 18:29:56,065 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:29:56,065 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:29:56,066 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:29:56,066 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:29:56,066 INFO L277 CegarLoopResult]: At program point L18(lines 8 19) the Hoare annotation is: true [2020-11-29 18:29:56,066 INFO L274 CegarLoopResult]: For program point L14-2(lines 14 16) no Hoare annotation was computed. [2020-11-29 18:29:56,067 INFO L270 CegarLoopResult]: At program point L14-3(lines 14 16) the Hoare annotation is: (let ((.cse14 (fp.add currentRoundingMode ULTIMATE.start_main_~time~0 ULTIMATE.start_main_~tick~0))) (let ((.cse15 (fp.add currentRoundingMode .cse14 ULTIMATE.start_main_~tick~0)) (.cse11 (fp.add currentRoundingMode (_ +zero 8 24) ULTIMATE.start_main_~tick~0))) (let ((.cse12 (fp.add currentRoundingMode .cse11 ULTIMATE.start_main_~tick~0)) (.cse16 (fp.add currentRoundingMode .cse15 ULTIMATE.start_main_~tick~0))) (let ((.cse8 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) ((_ to_fp 8 24) currentRoundingMode 10.0))) (.cse9 (fp.add currentRoundingMode .cse16 ULTIMATE.start_main_~tick~0)) (.cse10 ((_ to_fp 11 53) currentRoundingMode 1.0)) (.cse13 (fp.add currentRoundingMode .cse12 ULTIMATE.start_main_~tick~0))) (let ((.cse5 (fp.add currentRoundingMode .cse13 ULTIMATE.start_main_~tick~0)) (.cse6 (not (fp.eq ((_ to_fp 11 53) currentRoundingMode .cse16) .cse10))) (.cse7 (not (fp.eq ((_ to_fp 11 53) currentRoundingMode .cse9) .cse10))) (.cse2 (not (fp.eq ((_ to_fp 11 53) currentRoundingMode .cse15) .cse10))) (.cse0 (not (fp.eq ((_ to_fp 11 53) currentRoundingMode ULTIMATE.start_main_~time~0) .cse10))) (.cse1 (not (fp.eq ((_ to_fp 11 53) currentRoundingMode .cse14) .cse10))) (.cse3 (= currentRoundingMode roundNearestTiesToEven)) (.cse4 (= ULTIMATE.start_main_~tick~0 .cse8))) (or (and .cse0 (= (_ bv9 32) ULTIMATE.start_main_~i~0) .cse1 .cse2) (and (= (_ bv5 32) ULTIMATE.start_main_~i~0) .cse3 .cse4 (= ULTIMATE.start_main_~time~0 (fp.add currentRoundingMode .cse5 ULTIMATE.start_main_~tick~0))) (and .cse6 .cse3 .cse1 .cse7 (= ULTIMATE.start_main_~time~0 (fp.add currentRoundingMode (fp.add currentRoundingMode (fp.add currentRoundingMode (fp.add currentRoundingMode (fp.add currentRoundingMode (fp.add currentRoundingMode (_ +zero 8 24) .cse8) .cse8) .cse8) .cse8) .cse8) .cse8)) (not (fp.eq ((_ to_fp 11 53) currentRoundingMode (fp.add currentRoundingMode .cse9 ULTIMATE.start_main_~tick~0)) .cse10)) .cse2 (= (_ bv6 32) ULTIMATE.start_main_~i~0)) (and .cse0 .cse6 .cse1 (= (_ bv8 32) ULTIMATE.start_main_~i~0) .cse2) (and (= ULTIMATE.start_main_~time~0 .cse5) .cse3 .cse4 (= (_ bv4 32) ULTIMATE.start_main_~i~0)) (and (= (_ bv0 32) ULTIMATE.start_main_~i~0) .cse3 .cse4 (= ULTIMATE.start_main_~time~0 (_ +zero 8 24))) (and .cse3 (= .cse11 ULTIMATE.start_main_~time~0) (= (_ bv1 32) ULTIMATE.start_main_~i~0) .cse4) (and (= (_ bv2 32) ULTIMATE.start_main_~i~0) .cse3 .cse4 (= ULTIMATE.start_main_~time~0 .cse12)) (and .cse0 .cse6 (= (_ bv7 32) ULTIMATE.start_main_~i~0) .cse1 .cse7 .cse2) (and .cse0 .cse1 (= (_ bv10 32) ULTIMATE.start_main_~i~0)) (and (= (_ bv3 32) ULTIMATE.start_main_~i~0) .cse3 (= ULTIMATE.start_main_~time~0 .cse13) .cse4))))))) [2020-11-29 18:29:56,067 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 16) no Hoare annotation was computed. [2020-11-29 18:29:56,067 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-11-29 18:29:56,067 INFO L274 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-11-29 18:29:56,068 INFO L277 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: true [2020-11-29 18:29:56,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,092 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,092 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,092 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,093 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,094 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,096 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,098 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,155 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,156 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,171 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:29:56 BoogieIcfgContainer [2020-11-29 18:29:56,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:29:56,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:29:56,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:29:56,206 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:29:56,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:15:32" (3/4) ... [2020-11-29 18:29:56,211 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:29:56,222 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:29:56,222 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:29:56,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:29:56,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:29:56,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_727349d6-c306-457e-bce8-bf5f49317662/bin/uautomizer/witness.graphml [2020-11-29 18:29:56,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:29:56,287 INFO L168 Benchmark]: Toolchain (without parser) took 864495.35 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 44.0 MB in the beginning and 46.9 MB in the end (delta: -2.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:29:56,288 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 62.9 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:29:56,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.11 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 34.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:29:56,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.42 ms. Allocated memory is still 62.9 MB. Free memory was 34.1 MB in the beginning and 32.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:29:56,291 INFO L168 Benchmark]: Boogie Preprocessor took 64.59 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 31.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:29:56,291 INFO L168 Benchmark]: RCFGBuilder took 676.01 ms. Allocated memory is still 62.9 MB. Free memory was 31.4 MB in the beginning and 36.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:29:56,292 INFO L168 Benchmark]: TraceAbstraction took 863307.97 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 35.6 MB in the beginning and 51.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:29:56,293 INFO L168 Benchmark]: Witness Printer took 80.11 ms. Allocated memory is still 83.9 MB. Free memory was 51.1 MB in the beginning and 46.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:29:56,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 62.9 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 299.11 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 34.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.42 ms. Allocated memory is still 62.9 MB. Free memory was 34.1 MB in the beginning and 32.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.59 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 31.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 676.01 ms. Allocated memory is still 62.9 MB. Free memory was 31.4 MB in the beginning and 36.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 863307.97 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 35.6 MB in the beginning and 51.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Witness Printer took 80.11 ms. Allocated memory is still 83.9 MB. Free memory was 51.1 MB in the beginning and 46.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 14]: Loop Invariant [2020-11-29 18:29:56,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,374 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,374 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,374 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:29:56,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:29:56,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((((!~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, time), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && 9bv32 == i) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) || (((5bv32 == i && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && tick == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && time == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), tick), tick), tick), tick), tick))) || (((((((!~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick), tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && time == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))), ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))), ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))), ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))), ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))), ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)))) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick), tick), tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && 6bv32 == i)) || ((((!~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, time), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && 8bv32 == i) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)))) || (((time == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), tick), tick), tick), tick) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && tick == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && 4bv32 == i)) || (((0bv32 == i && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && tick == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && time == ~Pluszero~LONGDOUBLE())) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), tick) == time) && 1bv32 == i) && tick == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)))) || (((2bv32 == i && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && tick == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && time == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), tick), tick))) || (((((!~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, time), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && 7bv32 == i) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick), tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick), tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)))) || ((!~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, time), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && !~fp.eq~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, time, tick)), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && 10bv32 == i)) || (((3bv32 == i && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && time == ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), tick), tick), tick)) && tick == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 327.8s, OverallIterations: 4, TraceHistogramMax: 12, AutomataDifference: 202.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 535.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 30 SDslu, 115 SDs, 0 SdLazy, 373 SolverSat, 33 SolverUnsat, 26 SolverUnknown, 0 SolverNotchecked, 79.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 72 SyntacticMatches, 7 SemanticMatches, 59 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 244.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 16 NumberOfFragments, 511 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 535.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 122.8s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 18492 SizeOfPredicates, 8 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 88/368 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...