./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.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_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/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 bbabbac29d53fb5c08c994976f0cc24cf1493748 ...................................................................................................................................................................................................................................................................................................... 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_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/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 bbabbac29d53fb5c08c994976f0cc24cf1493748 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:32:12,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:32:12,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:32:12,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:32:12,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:32:12,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:32:12,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:32:12,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:32:12,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:32:12,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:32:12,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:32:12,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:32:12,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:32:12,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:32:12,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:32:12,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:32:12,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:32:12,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:32:12,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:32:12,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:32:12,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:32:12,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:32:12,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:32:12,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:32:12,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:32:12,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:32:12,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:32:12,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:32:12,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:32:12,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:32:12,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:32:12,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:32:12,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:32:12,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:32:12,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:32:12,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:32:12,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:32:12,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:32:12,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:32:12,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:32:12,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:32:12,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:32:12,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:32:12,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:32:12,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:32:12,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:32:12,689 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:32:12,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:32:12,690 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:32:12,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:32:12,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:32:12,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:32:12,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:32:12,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:32:12,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:32:12,694 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:32:12,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:32:12,694 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:32:12,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:32:12,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:32:12,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:32:12,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:32:12,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:32:12,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:32:12,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:32:12,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:32:12,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:32:12,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:32:12,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:32:12,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:32:12,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:32:12,699 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_391db30a-fd62-49e6-ab4e-80aea9a943a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbabbac29d53fb5c08c994976f0cc24cf1493748 [2020-11-30 01:32:13,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:32:13,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:32:13,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:32:13,132 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:32:13,135 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:32:13,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-11-30 01:32:13,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data/1952fbe4a/a0f7ebc498164ddaaeb57f0401d3f460/FLAG6d22b36e6 [2020-11-30 01:32:13,932 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:32:13,933 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-11-30 01:32:13,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data/1952fbe4a/a0f7ebc498164ddaaeb57f0401d3f460/FLAG6d22b36e6 [2020-11-30 01:32:14,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data/1952fbe4a/a0f7ebc498164ddaaeb57f0401d3f460 [2020-11-30 01:32:14,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:32:14,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:32:14,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:14,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:32:14,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:32:14,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c13140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14, skipping insertion in model container [2020-11-30 01:32:14,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:32:14,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:32:14,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:14,554 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:32:14,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:14,621 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:32:14,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14 WrapperNode [2020-11-30 01:32:14,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:14,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:14,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:32:14,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:32:14,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:14,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:32:14,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:32:14,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:32:14,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... [2020-11-30 01:32:14,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:32:14,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:32:14,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:32:14,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:32:14,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/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 [2020-11-30 01:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:32:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:32:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:32:14,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:32:15,146 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:32:15,146 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 01:32:15,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:15 BoogieIcfgContainer [2020-11-30 01:32:15,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:32:15,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:32:15,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:32:15,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:32:15,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:32:14" (1/3) ... [2020-11-30 01:32:15,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f65686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:32:15, skipping insertion in model container [2020-11-30 01:32:15,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:14" (2/3) ... [2020-11-30 01:32:15,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f65686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:32:15, skipping insertion in model container [2020-11-30 01:32:15,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:15" (3/3) ... [2020-11-30 01:32:15,181 INFO L111 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2020-11-30 01:32:15,195 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:32:15,200 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:32:15,242 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:32:15,298 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:32:15,298 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:32:15,298 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:32:15,299 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:32:15,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:32:15,306 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:32:15,306 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:32:15,307 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:32:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-11-30 01:32:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:32:15,331 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:32:15,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:15,333 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:32:15,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:15,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1949357366, now seen corresponding path program 1 times [2020-11-30 01:32:15,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:15,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657251958] [2020-11-30 01:32:15,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:15,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657251958] [2020-11-30 01:32:15,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:15,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:32:15,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225646063] [2020-11-30 01:32:15,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:32:15,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:32:15,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:32:15,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:32:15,630 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2020-11-30 01:32:15,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:32:15,827 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-11-30 01:32:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:32:15,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-11-30 01:32:15,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:32:15,846 INFO L225 Difference]: With dead ends: 31 [2020-11-30 01:32:15,846 INFO L226 Difference]: Without dead ends: 14 [2020-11-30 01:32:15,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:32:15,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-30 01:32:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-30 01:32:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-30 01:32:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-11-30 01:32:15,910 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-11-30 01:32:15,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:32:15,910 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-11-30 01:32:15,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:32:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-11-30 01:32:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:32:15,911 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:32:15,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:15,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:32:15,912 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:32:15,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:15,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1930440081, now seen corresponding path program 1 times [2020-11-30 01:32:15,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:32:15,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175475737] [2020-11-30 01:32:15,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:32:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:15,942 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:32:15,988 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:32:16,030 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:32:16,031 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:32:16,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:32:16,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:32:16 BoogieIcfgContainer [2020-11-30 01:32:16,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:32:16,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:32:16,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:32:16,098 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:32:16,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:15" (3/4) ... [2020-11-30 01:32:16,104 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:32:16,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:32:16,110 INFO L168 Benchmark]: Toolchain (without parser) took 1843.29 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 52.8 MB in the beginning and 69.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,111 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 83.9 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:16,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.07 ms. Allocated memory is still 83.9 MB. Free memory was 52.6 MB in the beginning and 60.7 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.51 ms. Allocated memory is still 83.9 MB. Free memory was 60.7 MB in the beginning and 59.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,115 INFO L168 Benchmark]: Boogie Preprocessor took 55.68 ms. Allocated memory is still 83.9 MB. Free memory was 59.4 MB in the beginning and 58.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:16,116 INFO L168 Benchmark]: RCFGBuilder took 421.36 ms. Allocated memory is still 83.9 MB. Free memory was 58.2 MB in the beginning and 46.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:16,118 INFO L168 Benchmark]: TraceAbstraction took 936.81 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.7 MB in the beginning and 69.8 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:16,119 INFO L168 Benchmark]: Witness Printer took 6.38 ms. Allocated memory is still 100.7 MB. Free memory was 69.8 MB in the beginning and 69.2 MB in the end (delta: 606.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:16,131 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 83.9 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.07 ms. Allocated memory is still 83.9 MB. Free memory was 52.6 MB in the beginning and 60.7 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.51 ms. Allocated memory is still 83.9 MB. Free memory was 60.7 MB in the beginning and 59.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.68 ms. Allocated memory is still 83.9 MB. Free memory was 59.4 MB in the beginning and 58.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 421.36 ms. Allocated memory is still 83.9 MB. Free memory was 58.2 MB in the beginning and 46.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 936.81 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.7 MB in the beginning and 69.8 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.38 ms. Allocated memory is still 100.7 MB. Free memory was 69.8 MB in the beginning and 69.2 MB in the end (delta: 606.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 32, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69. Possible FailurePath: [L1] int __return_main; [L12] int __return_76; VAL [__return_76=0, __return_main=0] [L15] double main__x; [L16] double main__y; [L17] main__x = __VERIFIER_nondet_double() [L18] int main____CPAchecker_TMP_0; VAL [__return_76=0, __return_main=0] [L19] COND TRUE main__x >= 0.0 VAL [__return_76=0, __return_main=0] [L21] COND TRUE main__x <= 10.0 [L23] main____CPAchecker_TMP_0 = 1 VAL [__return_76=0, __return_main=0] [L24] COND TRUE main____CPAchecker_TMP_0 != 0 [L26] main__y = (main__x * main__x) - main__x VAL [__return_76=0, __return_main=0] [L27] COND FALSE !(main__y >= 0) [L69] main__y = (main__x * main__x) + 2.0 VAL [__return_76=0, __return_main=0] [L31] int main____CPAchecker_TMP_1; VAL [__return_76=0, __return_main=0] [L32] COND FALSE !(main__y >= 0.0) VAL [__return_76=0, __return_main=0] [L58] main____CPAchecker_TMP_1 = 0 VAL [__return_76=0, __return_main=0] [L39] int __tmp_1; [L40] __tmp_1 = main____CPAchecker_TMP_1 [L41] int __VERIFIER_assert__cond; [L42] __VERIFIER_assert__cond = __tmp_1 VAL [__return_76=0, __return_main=0] [L43] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_76=0, __return_main=0] [L4] __assert_fail("0", "zonotope_loose.c.v+cfa-reducer.c", 4, "reach_error") VAL [__return_76=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 28 SDslu, 39 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 [2020-11-30 01:32:19,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:32:19,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:32:19,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:32:19,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:32:19,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:32:19,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:32:19,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:32:19,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:32:19,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:32:19,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:32:19,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:32:19,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:32:19,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:32:19,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:32:19,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:32:19,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:32:19,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:32:19,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:32:19,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:32:19,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:32:19,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:32:19,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:32:19,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:32:19,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:32:19,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:32:19,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:32:19,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:32:19,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:32:19,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:32:19,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:32:19,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:32:19,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:32:19,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:32:19,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:32:19,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:32:19,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:32:19,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:32:19,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:32:19,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:32:19,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:32:19,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:32:19,700 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:32:19,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:32:19,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:32:19,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:32:19,705 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:32:19,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:32:19,705 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:32:19,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:32:19,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:32:19,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:32:19,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:32:19,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:32:19,708 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:32:19,708 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:32:19,708 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:32:19,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:32:19,709 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:32:19,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:32:19,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:32:19,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:32:19,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:32:19,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:32:19,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:32:19,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:32:19,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:32:19,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:32:19,711 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:32:19,712 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:32:19,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:32:19,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:32:19,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:32:19,713 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_391db30a-fd62-49e6-ab4e-80aea9a943a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbabbac29d53fb5c08c994976f0cc24cf1493748 [2020-11-30 01:32:20,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:32:20,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:32:20,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:32:20,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:32:20,304 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:32:20,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-11-30 01:32:20,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data/48d47cf66/99c68fe2ac0c4356b0c8679aa40e2d86/FLAGa35fd812a [2020-11-30 01:32:21,058 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:32:21,059 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2020-11-30 01:32:21,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data/48d47cf66/99c68fe2ac0c4356b0c8679aa40e2d86/FLAGa35fd812a [2020-11-30 01:32:21,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/data/48d47cf66/99c68fe2ac0c4356b0c8679aa40e2d86 [2020-11-30 01:32:21,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:32:21,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:32:21,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:21,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:32:21,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:32:21,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0eeeb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21, skipping insertion in model container [2020-11-30 01:32:21,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:32:21,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:32:21,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:21,649 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:32:21,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:21,693 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:32:21,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21 WrapperNode [2020-11-30 01:32:21,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:21,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:21,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:32:21,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:32:21,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:21,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:32:21,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:32:21,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:32:21,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... [2020-11-30 01:32:21,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:32:21,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:32:21,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:32:21,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:32:21,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/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 [2020-11-30 01:32:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:32:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:32:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:32:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:32:26,977 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:32:26,977 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 01:32:26,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:26 BoogieIcfgContainer [2020-11-30 01:32:26,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:32:26,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:32:26,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:32:26,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:32:26,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:32:21" (1/3) ... [2020-11-30 01:32:26,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1e9537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:32:26, skipping insertion in model container [2020-11-30 01:32:26,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:21" (2/3) ... [2020-11-30 01:32:26,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1e9537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:32:26, skipping insertion in model container [2020-11-30 01:32:26,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:26" (3/3) ... [2020-11-30 01:32:26,990 INFO L111 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2020-11-30 01:32:27,005 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:32:27,010 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:32:27,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:32:27,058 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:32:27,058 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:32:27,059 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:32:27,059 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:32:27,059 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:32:27,059 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:32:27,060 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:32:27,060 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:32:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-11-30 01:32:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:32:27,095 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:32:27,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:27,097 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:32:27,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:27,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1949357366, now seen corresponding path program 1 times [2020-11-30 01:32:27,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:32:27,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167209183] [2020-11-30 01:32:27,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/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 [2020-11-30 01:32:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:27,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:32:27,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:32:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:27,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:32:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:27,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167209183] [2020-11-30 01:32:27,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:27,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-30 01:32:27,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609835768] [2020-11-30 01:32:27,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:32:27,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:32:27,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:32:27,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:32:27,860 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2020-11-30 01:32:27,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:32:27,953 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2020-11-30 01:32:27,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:32:27,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-11-30 01:32:27,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:32:27,966 INFO L225 Difference]: With dead ends: 31 [2020-11-30 01:32:27,967 INFO L226 Difference]: Without dead ends: 14 [2020-11-30 01:32:27,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:32:28,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-30 01:32:28,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-30 01:32:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-30 01:32:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-11-30 01:32:28,021 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2020-11-30 01:32:28,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:32:28,021 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-11-30 01:32:28,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:32:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-11-30 01:32:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:32:28,023 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:32:28,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:32:28,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:32:28,237 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:32:28,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:28,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1930440081, now seen corresponding path program 1 times [2020-11-30 01:32:28,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:32:28,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637502174] [2020-11-30 01:32:28,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/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 [2020-11-30 01:32:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:28,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:32:28,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:32:32,323 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from true [2020-11-30 01:32:38,497 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from false [2020-11-30 01:32:40,564 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from true [2020-11-30 01:32:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:52,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:32:55,056 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)) is different from false [2020-11-30 01:32:57,897 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) is different from false [2020-11-30 01:32:59,979 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) is different from true [2020-11-30 01:32:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:59,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637502174] [2020-11-30 01:32:59,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:59,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-11-30 01:32:59,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163142293] [2020-11-30 01:32:59,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 01:32:59,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:32:59,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 01:32:59,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=14, Unknown=6, NotChecked=36, Total=72 [2020-11-30 01:32:59,990 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 9 states. [2020-11-30 01:33:02,064 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53))))) is different from false [2020-11-30 01:33:05,184 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53))) is different from false [2020-11-30 01:33:19,012 WARN L193 SmtUtils]: Spent 9.90 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-30 01:33:21,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:33:21,208 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2020-11-30 01:33:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:33:21,209 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2020-11-30 01:33:21,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:33:21,210 INFO L225 Difference]: With dead ends: 21 [2020-11-30 01:33:21,210 INFO L226 Difference]: Without dead ends: 16 [2020-11-30 01:33:21,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.5s TimeCoverageRelationStatistics Valid=23, Invalid=23, Unknown=8, NotChecked=78, Total=132 [2020-11-30 01:33:21,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-30 01:33:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-30 01:33:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-30 01:33:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-11-30 01:33:21,218 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2020-11-30 01:33:21,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:33:21,218 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-11-30 01:33:21,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 01:33:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-11-30 01:33:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:33:21,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:33:21,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:33:21,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:33:21,424 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:33:21,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:33:21,425 INFO L82 PathProgramCache]: Analyzing trace with hash -123235692, now seen corresponding path program 1 times [2020-11-30 01:33:21,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:33:21,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116980471] [2020-11-30 01:33:21,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/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 [2020-11-30 01:33:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:33:22,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:33:22,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:33:25,761 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from true [2020-11-30 01:33:32,683 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (not (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from false [2020-11-30 01:33:34,939 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (not (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from true [2020-11-30 01:33:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:33:48,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:33:51,148 WARN L860 $PredicateComparison]: unable to prove that (forall ((currentRoundingMode RoundingMode)) (fp.geq (fp.div currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))) is different from true [2020-11-30 01:33:58,062 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from false [2020-11-30 01:34:00,374 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from true [2020-11-30 01:34:05,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:05,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116980471] [2020-11-30 01:34:05,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:34:05,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-11-30 01:34:05,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022556969] [2020-11-30 01:34:05,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:34:05,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:34:05,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:34:05,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=9, Unknown=6, NotChecked=28, Total=56 [2020-11-30 01:34:05,071 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 8 states. [2020-11-30 01:34:07,421 WARN L860 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (forall ((currentRoundingMode RoundingMode)) (fp.geq (fp.div currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from true [2020-11-30 01:34:24,569 WARN L193 SmtUtils]: Spent 11.27 s on a formula simplification that was a NOOP. DAG size: 13 [2020-11-30 01:34:30,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:34:30,308 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2020-11-30 01:34:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:34:30,311 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-11-30 01:34:30,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:34:30,312 INFO L225 Difference]: With dead ends: 21 [2020-11-30 01:34:30,312 INFO L226 Difference]: Without dead ends: 16 [2020-11-30 01:34:30,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.5s TimeCoverageRelationStatistics Valid=18, Invalid=13, Unknown=9, NotChecked=50, Total=90 [2020-11-30 01:34:30,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-30 01:34:30,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2020-11-30 01:34:30,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-30 01:34:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-11-30 01:34:30,321 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2020-11-30 01:34:30,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:34:30,322 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-11-30 01:34:30,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:34:30,322 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-11-30 01:34:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:34:30,323 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:34:30,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:34:30,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:34:30,524 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:34:30,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:34:30,525 INFO L82 PathProgramCache]: Analyzing trace with hash -288146032, now seen corresponding path program 1 times [2020-11-30 01:34:30,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:34:30,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232098367] [2020-11-30 01:34:30,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/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 [2020-11-30 01:34:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:34:31,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 01:34:31,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:34:54,539 WARN L193 SmtUtils]: Spent 16.73 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-30 01:34:56,635 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-11-30 01:34:58,736 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-11-30 01:35:05,065 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) (and (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.geq .cse1 (_ +zero 11 53)) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))))))) is different from false [2020-11-30 01:35:07,151 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) (and (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.geq .cse1 (_ +zero 11 53)) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))))))) is different from true [2020-11-30 01:35:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:35:19,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:35:58,649 WARN L193 SmtUtils]: Spent 13.05 s on a formula simplification that was a NOOP. DAG size: 17 [2020-11-30 01:36:00,736 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) is different from false [2020-11-30 01:36:02,845 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) is different from true [2020-11-30 01:36:04,934 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (not (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) is different from false [2020-11-30 01:36:07,033 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (not (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) is different from true [2020-11-30 01:36:09,117 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from false [2020-11-30 01:36:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:36:11,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232098367] [2020-11-30 01:36:11,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:36:11,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 14 [2020-11-30 01:36:11,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730182881] [2020-11-30 01:36:11,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-30 01:36:11,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:36:11,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-30 01:36:11,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=20, NotChecked=90, Total=182 [2020-11-30 01:36:11,148 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 14 states. [2020-11-30 01:36:19,331 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (not (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) is different from false [2020-11-30 01:36:21,444 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (not (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) is different from true [2020-11-30 01:36:23,545 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) is different from false [2020-11-30 01:36:25,654 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (let ((.cse1 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq (fp.sub c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) is different from true [2020-11-30 01:36:27,749 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (and (let ((.cse0 (fp.add c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= c_ULTIMATE.start_main_~main__y~0 (fp.sub c_currentRoundingMode .cse1 c_ULTIMATE.start_main_~main__x~0)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from false [2020-11-30 01:36:29,846 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (and (let ((.cse0 (fp.add c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (fp.geq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= c_ULTIMATE.start_main_~main__y~0 (fp.sub c_currentRoundingMode .cse1 c_ULTIMATE.start_main_~main__x~0)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) is different from true [2020-11-30 01:36:31,948 WARN L838 $PredicateComparison]: unable to prove that (and (or (not (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-11-30 01:36:34,047 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) is different from false [2020-11-30 01:36:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:36:44,301 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-30 01:36:44,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:36:44,372 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-11-30 01:36:44,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:36:44,372 INFO L225 Difference]: With dead ends: 22 [2020-11-30 01:36:44,373 INFO L226 Difference]: Without dead ends: 14 [2020-11-30 01:36:44,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 99.9s TimeCoverageRelationStatistics Valid=42, Invalid=42, Unknown=28, NotChecked=230, Total=342 [2020-11-30 01:36:44,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-11-30 01:36:44,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-11-30 01:36:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-11-30 01:36:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-11-30 01:36:44,378 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2020-11-30 01:36:44,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:36:44,378 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-11-30 01:36:44,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-30 01:36:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-11-30 01:36:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:36:44,380 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:36:44,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:36:44,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 01:36:44,584 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:36:44,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:36:44,586 INFO L82 PathProgramCache]: Analyzing trace with hash -99384821, now seen corresponding path program 1 times [2020-11-30 01:36:44,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:36:44,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435261174] [2020-11-30 01:36:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 01:36:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:36:45,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:36:45,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:36:47,869 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0))))) is different from false [2020-11-30 01:37:04,891 WARN L193 SmtUtils]: Spent 12.58 s on a formula simplification that was a NOOP. DAG size: 15 [2020-11-30 01:37:11,978 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 .cse1))) (and (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~main__x~0 .cse1) (fp.geq .cse0 (_ +zero 11 53)))))) is different from false [2020-11-30 01:37:14,289 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse0 (fp.div roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 .cse1))) (and (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~main__x~0 .cse1) (fp.geq .cse0 (_ +zero 11 53)))))) is different from true [2020-11-30 01:37:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:37:28,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:37:35,646 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (or (not (fp.geq .cse0 (_ +zero 11 53))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) is different from false [2020-11-30 01:37:39,141 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from false [2020-11-30 01:37:41,508 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from true [2020-11-30 01:37:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:37:41,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435261174] [2020-11-30 01:37:41,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:37:41,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2020-11-30 01:37:41,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172256625] [2020-11-30 01:37:41,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 01:37:41,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:37:41,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 01:37:41,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=27, Unknown=9, NotChecked=52, Total=110 [2020-11-30 01:37:41,518 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 11 states. [2020-11-30 01:37:43,866 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0))))))) is different from false [2020-11-30 01:37:47,331 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 .cse0) (let ((.cse1 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from false [2020-11-30 01:37:49,654 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__x~0 .cse0) (let ((.cse1 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.geq .cse1 (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))))) is different from true [2020-11-30 01:37:52,006 WARN L838 $PredicateComparison]: unable to prove that (and (or (not (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= c_ULTIMATE.start_main_~main__y~0 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0))))) is different from false [2020-11-30 01:38:11,011 WARN L193 SmtUtils]: Spent 15.06 s on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 01:38:11,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:38:11,013 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-11-30 01:38:11,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:38:11,014 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2020-11-30 01:38:11,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:38:11,014 INFO L225 Difference]: With dead ends: 14 [2020-11-30 01:38:11,014 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:38:11,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 66.5s TimeCoverageRelationStatistics Valid=34, Invalid=36, Unknown=14, NotChecked=126, Total=210 [2020-11-30 01:38:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:38:11,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:38:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:38:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:38:11,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-30 01:38:11,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:38:11,017 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:38:11,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 01:38:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:38:11,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:38:11,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 01:38:11,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:41:47,423 WARN L193 SmtUtils]: Spent 3.60 m on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-11-30 01:41:47,427 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:41:47,427 INFO L270 CegarLoopResult]: At program point L64(lines 32 65) the Hoare annotation is: false [2020-11-30 01:41:47,428 INFO L274 CegarLoopResult]: For program point L27(lines 27 71) no Hoare annotation was computed. [2020-11-30 01:41:47,428 INFO L274 CegarLoopResult]: For program point L21(lines 21 81) no Hoare annotation was computed. [2020-11-30 01:41:47,428 INFO L277 CegarLoopResult]: At program point L85(lines 13 87) the Hoare annotation is: true [2020-11-30 01:41:47,428 INFO L274 CegarLoopResult]: For program point L19(lines 19 86) no Hoare annotation was computed. [2020-11-30 01:41:47,428 INFO L274 CegarLoopResult]: For program point L34(lines 34 60) no Hoare annotation was computed. [2020-11-30 01:41:47,428 INFO L274 CegarLoopResult]: For program point L32(lines 32 65) no Hoare annotation was computed. [2020-11-30 01:41:47,428 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:41:47,428 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:41:47,428 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:41:47,429 INFO L270 CegarLoopResult]: At program point L59(lines 34 60) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start_main_~main____CPAchecker_TMP_1~0) [2020-11-30 01:41:47,429 INFO L274 CegarLoopResult]: For program point L24(lines 24 76) no Hoare annotation was computed. [2020-11-30 01:41:47,429 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-30 01:41:47,429 INFO L274 CegarLoopResult]: For program point L43(lines 43 52) no Hoare annotation was computed. [2020-11-30 01:41:47,429 INFO L270 CegarLoopResult]: At program point L70(lines 27 71) the Hoare annotation is: (let ((.cse0 (let ((.cse4 (fp.geq ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)))) (or (and .cse4 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))))) (and .cse4 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))))) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (not (fp.geq (fp.sub currentRoundingMode .cse2 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (= (fp.add currentRoundingMode .cse2 ((_ to_fp 11 53) currentRoundingMode 2.0)) ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))))) (and .cse0 .cse1 (fp.leq ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) currentRoundingMode 105.0)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode 10.0))) (and (= ULTIMATE.start_main_~main__y~0 (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse3)) (fp.leq ULTIMATE.start_main_~main__x~0 .cse3))))))) [2020-11-30 01:41:47,429 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-30 01:41:47,429 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-11-30 01:41:47,444 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,447 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,447 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,448 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,449 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,450 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,451 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,451 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,460 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,460 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:41:47 BoogieIcfgContainer [2020-11-30 01:41:47,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:41:47,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:41:47,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:41:47,483 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:41:47,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:32:26" (3/4) ... [2020-11-30 01:41:47,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:41:47,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-30 01:41:47,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:41:47,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:41:47,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:41:47,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || (~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ((!~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32)) && ~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || (((((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || (~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: main__y == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)))) [2020-11-30 01:41:47,568 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_391db30a-fd62-49e6-ab4e-80aea9a943a3/bin/uautomizer/witness.graphml [2020-11-30 01:41:47,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:41:47,577 INFO L168 Benchmark]: Toolchain (without parser) took 566185.24 ms. Allocated memory is still 65.0 MB. Free memory was 45.5 MB in the beginning and 41.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:41:47,579 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 65.0 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:41:47,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.71 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 35.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:41:47,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.03 ms. Allocated memory is still 65.0 MB. Free memory was 35.0 MB in the beginning and 47.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:41:47,585 INFO L168 Benchmark]: Boogie Preprocessor took 77.70 ms. Allocated memory is still 65.0 MB. Free memory was 47.6 MB in the beginning and 46.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:41:47,585 INFO L168 Benchmark]: RCFGBuilder took 5119.03 ms. Allocated memory is still 65.0 MB. Free memory was 46.4 MB in the beginning and 33.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:41:47,586 INFO L168 Benchmark]: TraceAbstraction took 560500.64 ms. Allocated memory is still 65.0 MB. Free memory was 33.1 MB in the beginning and 44.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:41:47,586 INFO L168 Benchmark]: Witness Printer took 92.73 ms. Allocated memory is still 65.0 MB. Free memory was 44.4 MB in the beginning and 41.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:41:47,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 65.0 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 301.71 ms. Allocated memory is still 65.0 MB. Free memory was 45.4 MB in the beginning and 35.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.03 ms. Allocated memory is still 65.0 MB. Free memory was 35.0 MB in the beginning and 47.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.70 ms. Allocated memory is still 65.0 MB. Free memory was 47.6 MB in the beginning and 46.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 5119.03 ms. Allocated memory is still 65.0 MB. Free memory was 46.4 MB in the beginning and 33.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 560500.64 ms. Allocated memory is still 65.0 MB. Free memory was 33.1 MB in the beginning and 44.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Witness Printer took 92.73 ms. Allocated memory is still 65.0 MB. Free memory was 44.4 MB in the beginning and 41.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] * 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1bv32 == main____CPAchecker_TMP_1 - InvariantResult [Line: 27]: Loop Invariant [2020-11-30 01:41:47,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,637 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,637 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,637 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,638 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,638 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,647 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:41:47,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:41:47,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2020-11-30 01:41:47,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:41:47,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || (~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ((!~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32)) && ~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || (((((~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: main__y == ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()))) || (~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: main__y == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 344.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 109.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 216.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 23 SDslu, 104 SDs, 0 SdLazy, 46 SolverSat, 3 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 23.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 28 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 234.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 9 NumberOfFragments, 143 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 216.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 230.2s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 36 QuantifiedInterpolants, 14328 SizeOfPredicates, 20 NumberOfNonLiveVariables, 198 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...